diff --git a/apps/api/prisma/migrations/20260910233000_commission_and_cheques/migration.sql b/apps/api/prisma/migrations/20260910233000_commission_and_cheques/migration.sql
new file mode 100644
index 0000000..fec3c30
--- /dev/null
+++ b/apps/api/prisma/migrations/20260910233000_commission_and_cheques/migration.sql
@@ -0,0 +1,75 @@
+-- AlterTable
+ALTER TABLE "User" ADD COLUMN "commissionPercent" DECIMAL(8,2) NOT NULL DEFAULT 0;
+
+-- AlterTable
+ALTER TABLE "Invoice" ADD COLUMN "commissionPercent" DECIMAL(8,2),
+ADD COLUMN "commissionFixedAmount" DECIMAL(18,2);
+
+-- CreateTable
+CREATE TABLE "CommissionEntry" (
+    "id" TEXT NOT NULL,
+    "organizationId" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+    "invoiceId" TEXT NOT NULL,
+    "percent" DECIMAL(8,2) NOT NULL,
+    "amount" DECIMAL(18,2) NOT NULL,
+    "currency" TEXT NOT NULL DEFAULT 'IRR',
+    "status" TEXT NOT NULL DEFAULT 'posted',
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "CommissionEntry_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "Cheque" (
+    "id" TEXT NOT NULL,
+    "organizationId" TEXT NOT NULL,
+    "paymentId" TEXT NOT NULL,
+    "invoiceId" TEXT NOT NULL,
+    "number" TEXT NOT NULL,
+    "bank" TEXT NOT NULL,
+    "dueDate" TIMESTAMP(3) NOT NULL,
+    "status" TEXT NOT NULL DEFAULT 'pending',
+    "notes" TEXT,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "Cheque_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "CommissionEntry_invoiceId_key" ON "CommissionEntry"("invoiceId");
+
+-- CreateIndex
+CREATE INDEX "CommissionEntry_organizationId_userId_createdAt_idx" ON "CommissionEntry"("organizationId", "userId", "createdAt");
+
+-- CreateIndex
+CREATE INDEX "CommissionEntry_status_idx" ON "CommissionEntry"("status");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Cheque_paymentId_key" ON "Cheque"("paymentId");
+
+-- CreateIndex
+CREATE INDEX "Cheque_organizationId_status_dueDate_idx" ON "Cheque"("organizationId", "status", "dueDate");
+
+-- CreateIndex
+CREATE INDEX "Cheque_invoiceId_idx" ON "Cheque"("invoiceId");
+
+-- AddForeignKey
+ALTER TABLE "CommissionEntry" ADD CONSTRAINT "CommissionEntry_organizationId_fkey" FOREIGN KEY ("organizationId") REFERENCES "Organization"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "CommissionEntry" ADD CONSTRAINT "CommissionEntry_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "CommissionEntry" ADD CONSTRAINT "CommissionEntry_invoiceId_fkey" FOREIGN KEY ("invoiceId") REFERENCES "Invoice"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "Cheque" ADD CONSTRAINT "Cheque_organizationId_fkey" FOREIGN KEY ("organizationId") REFERENCES "Organization"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "Cheque" ADD CONSTRAINT "Cheque_paymentId_fkey" FOREIGN KEY ("paymentId") REFERENCES "Payment"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "Cheque" ADD CONSTRAINT "Cheque_invoiceId_fkey" FOREIGN KEY ("invoiceId") REFERENCES "Invoice"("id") ON DELETE CASCADE ON UPDATE CASCADE;
diff --git a/apps/api/prisma/schema.prisma b/apps/api/prisma/schema.prisma
index 3eb78dd..f69c2de 100644
--- a/apps/api/prisma/schema.prisma
+++ b/apps/api/prisma/schema.prisma
@@ -183,6 +183,8 @@ model Organization {
   warehouses            Warehouse[]
   stockMovements        StockMovement[]
   partyOpenings         PartyOpeningBalance[]
+  commissionEntries     CommissionEntry[]
+  cheques               Cheque[]
 }
 
 model User {
@@ -209,6 +211,8 @@ model User {
   noteAttachments NoteAttachment[] @relation("NoteAttachmentUploader")
   notifications  Notification[]
   salesGoals     SalesGoal[]  @relation("SalesGoalUser")
+  commissionPercent Decimal   @default(0) @db.Decimal(8, 2)
+  commissionEntries CommissionEntry[]
   assignedTickets Ticket[]    @relation("TicketAssignee")
   reportedTickets Ticket[]    @relation("TicketReporter")
   ticketMessages TicketMessage[] @relation("TicketMessageAuthor")
@@ -731,6 +735,10 @@ model Invoice {
   payments       Payment[]
   installments   InvoiceInstallment[]
   stockMovements StockMovement[]
+  commissionPercent Decimal?            @db.Decimal(8, 2)
+  commissionFixedAmount Decimal?        @db.Decimal(18, 2)
+  commissionEntry CommissionEntry?
+  cheques        Cheque[]
   createdAt      DateTime             @default(now())
   updatedAt      DateTime             @updatedAt
 
@@ -772,6 +780,7 @@ model Payment {
   notes         String?
   installmentId String?           @unique
   installment   InvoiceInstallment? @relation(fields: [installmentId], references: [id], onDelete: SetNull)
+  cheque        Cheque?
   createdAt     DateTime          @default(now())
   updatedAt     DateTime          @updatedAt
 
@@ -1254,6 +1263,49 @@ model StockMovement {
   @@index([warehouseId])
 }
 
+/// پورسانت کارشناس بعد از صدور فاکتور
+model CommissionEntry {
+  id             String       @id @default(cuid())
+  organizationId String
+  organization   Organization @relation(fields: [organizationId], references: [id], onDelete: Cascade)
+  userId         String
+  user           User         @relation(fields: [userId], references: [id], onDelete: Cascade)
+  invoiceId      String       @unique
+  invoice        Invoice      @relation(fields: [invoiceId], references: [id], onDelete: Cascade)
+  percent        Decimal      @db.Decimal(8, 2)
+  amount         Decimal      @db.Decimal(18, 2)
+  currency       String       @default("IRR")
+  /// posted | void
+  status         String       @default("posted")
+  createdAt      DateTime     @default(now())
+  updatedAt      DateTime     @updatedAt
+
+  @@index([organizationId, userId, createdAt])
+  @@index([status])
+}
+
+/// چک دریافتی وصل به پرداخت فاکتور
+model Cheque {
+  id             String       @id @default(cuid())
+  organizationId String
+  organization   Organization @relation(fields: [organizationId], references: [id], onDelete: Cascade)
+  paymentId      String       @unique
+  payment        Payment      @relation(fields: [paymentId], references: [id], onDelete: Cascade)
+  invoiceId      String
+  invoice        Invoice      @relation(fields: [invoiceId], references: [id], onDelete: Cascade)
+  number         String
+  bank           String
+  dueDate        DateTime
+  /// pending | cleared | bounced
+  status         String       @default("pending")
+  notes          String?
+  createdAt      DateTime     @default(now())
+  updatedAt      DateTime     @updatedAt
+
+  @@index([organizationId, status, dueDate])
+  @@index([invoiceId])
+}
+
 /// مانده اول دوره طرف‌حساب (مثبت = بدهکار ما)
 model PartyOpeningBalance {
   id             String       @id @default(cuid())
diff --git a/apps/api/src/app.module.ts b/apps/api/src/app.module.ts
index cc3c60c..fee1483 100644
--- a/apps/api/src/app.module.ts
+++ b/apps/api/src/app.module.ts
@@ -28,6 +28,7 @@ import { AiModule } from './ai/ai.module';
 import { MemoryModule } from './memory/memory.module';
 import { TahesabModule } from './integrations/tahesab/tahesab.module';
 import { InventoryModule } from './inventory/inventory.module';
+import { FinanceModule } from './finance/finance.module';
 
 @Module({
   imports: [
@@ -53,6 +54,7 @@ import { InventoryModule } from './inventory/inventory.module';
     QuotesModule,
     InvoicesModule,
     InventoryModule,
+    FinanceModule,
     SalesModule,
     TicketsModule,
     FaqModule,
diff --git a/apps/api/src/finance/cheques.service.ts b/apps/api/src/finance/cheques.service.ts
new file mode 100644
index 0000000..cad6d4a
--- /dev/null
+++ b/apps/api/src/finance/cheques.service.ts
@@ -0,0 +1,120 @@
+import {
+  BadRequestException,
+  Injectable,
+  NotFoundException,
+} from '@nestjs/common';
+import type { ChequeDto, UpdateChequeRequest } from '@mento/shared';
+import { Prisma } from '@prisma/client';
+import { PrismaService } from '../prisma/prisma.service';
+import { type Actor, ownerWhere } from '../common/record-scope';
+
+const CHEQUE_STATUSES = ['pending', 'cleared', 'bounced'] as const;
+
+@Injectable()
+export class ChequesService {
+  constructor(private readonly prisma: PrismaService) {}
+
+  async list(
+    organizationId: string,
+    actor: Pick<Actor, 'userId' | 'role'>,
+    opts?: { status?: string; q?: string },
+  ): Promise<ChequeDto[]> {
+    const rows = await this.prisma.cheque.findMany({
+      where: {
+        organizationId,
+        invoice: ownerWhere(actor),
+        ...(opts?.status ? { status: opts.status } : {}),
+        ...(opts?.q?.trim()
+          ? {
+              OR: [
+                { number: { contains: opts.q.trim(), mode: 'insensitive' } },
+                { bank: { contains: opts.q.trim(), mode: 'insensitive' } },
+                {
+                  invoice: {
+                    number: { contains: opts.q.trim(), mode: 'insensitive' },
+                  },
+                },
+              ],
+            }
+          : {}),
+      },
+      include: this.include,
+      orderBy: [{ dueDate: 'asc' }, { createdAt: 'desc' }],
+      take: 300,
+    });
+    return rows.map((row) => this.toDto(row));
+  }
+
+  async update(
+    organizationId: string,
+    id: string,
+    actor: Pick<Actor, 'userId' | 'role'>,
+    dto: UpdateChequeRequest,
+  ): Promise<ChequeDto> {
+    const existing = await this.prisma.cheque.findFirst({
+      where: { id, organizationId, invoice: ownerWhere(actor) },
+      select: { id: true },
+    });
+    if (!existing) throw new NotFoundException('چک پیدا نشد');
+
+    const data: Prisma.ChequeUncheckedUpdateInput = {};
+    if (dto.number !== undefined) data.number = dto.number.trim();
+    if (dto.bank !== undefined) data.bank = dto.bank.trim();
+    if (dto.dueDate !== undefined) data.dueDate = new Date(dto.dueDate);
+    if (dto.status !== undefined) {
+      if (!CHEQUE_STATUSES.includes(dto.status as (typeof CHEQUE_STATUSES)[number])) {
+        throw new BadRequestException('وضعیت چک معتبر نیست');
+      }
+      data.status = dto.status;
+    }
+    if ('notes' in dto) {
+      data.notes = dto.notes?.trim() ? dto.notes.trim() : null;
+    }
+
+    const row = await this.prisma.cheque.update({
+      where: { id },
+      data,
+      include: this.include,
+    });
+    return this.toDto(row);
+  }
+
+  private include = {
+    payment: { select: { id: true, amount: true, currency: true, paidAt: true } },
+    invoice: {
+      select: {
+        id: true,
+        number: true,
+        title: true,
+        person: { select: { firstName: true, lastName: true } },
+        company: { select: { name: true } },
+      },
+    },
+  } satisfies Prisma.ChequeInclude;
+
+  private toDto(
+    row: Prisma.ChequeGetPayload<{ include: ChequesService['include'] }>,
+  ): ChequeDto {
+    const personName = row.invoice.person
+      ? `${row.invoice.person.firstName} ${row.invoice.person.lastName}`.trim()
+      : row.invoice.company?.name ?? null;
+    return {
+      id: row.id,
+      paymentId: row.paymentId,
+      invoiceId: row.invoiceId,
+      invoiceNumber: row.invoice.number,
+      invoiceTitle: row.invoice.title,
+      personName,
+      amount: Number(row.payment.amount),
+      currency: row.payment.currency,
+      number: row.number,
+      bank: row.bank,
+      dueDate: row.dueDate.toISOString(),
+      status: row.status,
+      notes: row.notes,
+      paidAt: row.payment.paidAt.toISOString(),
+      createdAt: row.createdAt.toISOString(),
+      updatedAt: row.updatedAt.toISOString(),
+    };
+  }
+}
diff --git a/apps/api/src/finance/commissions.service.ts b/apps/api/src/finance/commissions.service.ts
new file mode 100644
index 0000000..e84d48f
--- /dev/null
+++ b/apps/api/src/finance/commissions.service.ts
@@ -0,0 +1,150 @@
+import { Injectable } from '@nestjs/common';
+import type { CommissionEntryDto } from '@mento/shared';
+import { Prisma } from '@prisma/client';
+import { PrismaService } from '../prisma/prisma.service';
+import type { Actor } from '../common/record-scope';
+
+function roundMoney(value: number): number {
+  return Math.round((value + Number.EPSILON) * 100) / 100;
+}
+
+@Injectable()
+export class CommissionsService {
+  constructor(private readonly prisma: PrismaService) {}
+
+  async list(
+    organizationId: string,
+    actor: Pick<Actor, 'userId' | 'role'>,
+  ): Promise<CommissionEntryDto[]> {
+    const rows = await this.prisma.commissionEntry.findMany({
+      where: {
+        organizationId,
+        ...this.userScope(actor),
+      },
+      include: {
+        user: { select: { id: true, fullName: true } },
+        invoice: { select: { id: true, number: true, title: true, ownerId: true } },
+      },
+      orderBy: { createdAt: 'desc' },
+      take: 200,
+    });
+    return rows
+      .filter((row) => this.canSeeInvoice(actor, row.invoice.ownerId))
+      .map((row) => this.toDto(row));
+  }
+
+  async syncInvoice(organizationId: string, invoiceId: string) {
+    const invoice = await this.prisma.invoice.findFirst({
+      where: { id: invoiceId, organizationId },
+      include: {
+        owner: { select: { id: true, commissionPercent: true } },
+        lineItems: true,
+        commissionEntry: true,
+      },
+    });
+    if (!invoice) return;
+
+    const shouldPost =
+      invoice.kind !== 'credit' &&
+      invoice.status !== 'draft' &&
+      invoice.status !== 'canceled' &&
+      Boolean(invoice.ownerId);
+
+    if (!shouldPost) {
+      if (invoice.commissionEntry) {
+        await this.prisma.commissionEntry.update({
+          where: { id: invoice.commissionEntry.id },
+          data: { status: 'void', amount: 0 },
+        });
+      }
+      return;
+    }
+
+    const subtotal = invoice.lineItems.reduce(
+      (sum, item) => sum + Number(item.quantity) * Number(item.unitPrice),
+      0,
+    );
+    const discountAmount = Number(invoice.discountAmount ?? 0);
+    const taxPercent = Number(invoice.taxPercent ?? 0);
+    const taxAmount = roundMoney(
+      Math.max(0, subtotal - discountAmount) * (taxPercent / 100),
+    );
+    const payable = Math.abs(
+      roundMoney(subtotal - discountAmount + taxAmount),
+    );
+
+    const fixed = invoice.commissionFixedAmount;
+    const overridePercent = invoice.commissionPercent;
+    const defaultPercent = Number(invoice.owner?.commissionPercent ?? 0);
+    const percent =
+      fixed != null
+        ? payable > 0
+          ? roundMoney((Number(fixed) / payable) * 100)
+          : 0
+        : Number(overridePercent ?? defaultPercent);
+    const amount =
+      fixed != null ? roundMoney(Number(fixed)) : roundMoney((payable * percent) / 100);
+
+    await this.prisma.commissionEntry.upsert({
+      where: { invoiceId: invoice.id },
+      create: {
+        organizationId,
+        userId: invoice.ownerId!,
+        invoiceId: invoice.id,
+        percent: new Prisma.Decimal(percent),
+        amount: new Prisma.Decimal(amount),
+        currency: invoice.currency,
+        status: 'posted',
+      },
+      update: {
+        userId: invoice.ownerId!,
+        percent: new Prisma.Decimal(percent),
+        amount: new Prisma.Decimal(amount),
+        currency: invoice.currency,
+        status: 'posted',
+      },
+    });
+  }
+
+  private userScope(
+    actor: Pick<Actor, 'userId' | 'role'>,
+  ): Prisma.CommissionEntryWhereInput {
+    if (actor.role === 'owner' || actor.role === 'admin') return {};
+    return { userId: actor.userId };
+  }
+
+  private canSeeInvoice(
+    actor: Pick<Actor, 'userId' | 'role'>,
+    ownerId: string | null,
+  ) {
+    if (actor.role === 'owner' || actor.role === 'admin') return true;
+    return ownerId === actor.userId;
+  }
+
+  private toDto(row: {
+    id: string;
+    userId: string;
+    invoiceId: string;
+    percent: Prisma.Decimal;
+    amount: Prisma.Decimal;
+    currency: string;
+    status: string;
+    createdAt: Date;
+    user: { fullName: string };
+    invoice: { number: string; title: string };
+  }): CommissionEntryDto {
+    return {
+      id: row.id,
+      userId: row.userId,
+      userName: row.user.fullName,
+      invoiceId: row.invoiceId,
+      invoiceNumber: row.invoice.number,
+      invoiceTitle: row.invoice.title,
+      percent: Number(row.percent),
+      amount: Number(row.amount),
+      currency: row.currency,
+      status: row.status,
+      createdAt: row.createdAt.toISOString(),
+    };
+  }
+}
diff --git a/apps/api/src/finance/dto.ts b/apps/api/src/finance/dto.ts
new file mode 100644
index 0000000..f19fa39
--- /dev/null
+++ b/apps/api/src/finance/dto.ts
@@ -0,0 +1,28 @@
+import { IsIn, IsOptional, IsString, MaxLength } from 'class-validator';
+
+const CHEQUE_STATUSES = ['pending', 'cleared', 'bounced'] as const;
+
+export class UpdateChequeDto {
+  @IsOptional()
+  @IsString()
+  @MaxLength(80)
+  number?: string;
+
+  @IsOptional()
+  @IsString()
+  @MaxLength(120)
+  bank?: string;
+
+  @IsOptional()
+  @IsString()
+  dueDate?: string;
+
+  @IsOptional()
+  @IsIn(CHEQUE_STATUSES)
+  status?: (typeof CHEQUE_STATUSES)[number];
+
+  @IsOptional()
+  @IsString()
+  @MaxLength(2000)
+  notes?: string | null;
+}
diff --git a/apps/api/src/finance/finance.controller.ts b/apps/api/src/finance/finance.controller.ts
new file mode 100644
index 0000000..5a3f954
--- /dev/null
+++ b/apps/api/src/finance/finance.controller.ts
@@ -0,0 +1,40 @@
+import { Body, Controller, Get, Param, Patch, Query, UseGuards } from '@nestjs/common';
+import { JwtAuthGuard } from '../auth/jwt-auth.guard';
+import { CurrentUser } from '../auth/current-user.decorator';
+import { UpdateChequeDto } from './dto';
+import { ChequesService } from './cheques.service';
+import { CommissionsService } from './commissions.service';
+
+type AuthUser = { organizationId: string; userId: string; role: string };
+
+@Controller()
+@UseGuards(JwtAuthGuard)
+export class FinanceController {
+  constructor(
+    private readonly cheques: ChequesService,
+    private readonly commissions: CommissionsService,
+  ) {}
+
+  @Get('cheques')
+  listCheques(
+    @CurrentUser() user: AuthUser,
+    @Query('status') status?: string,
+    @Query('q') q?: string,
+  ) {
+    return this.cheques.list(user.organizationId, user, { status, q });
+  }
+
+  @Patch('cheques/:id')
+  updateCheque(
+    @CurrentUser() user: AuthUser,
+    @Param('id') id: string,
+    @Body() dto: UpdateChequeDto,
+  ) {
+    return this.cheques.update(user.organizationId, id, user, dto);
+  }
+
+  @Get('commissions')
+  listCommissions(@CurrentUser() user: AuthUser) {
+    return this.commissions.list(user.organizationId, user);
+  }
+}
diff --git a/apps/api/src/finance/finance.module.ts b/apps/api/src/finance/finance.module.ts
new file mode 100644
index 0000000..4de26d8
--- /dev/null
+++ b/apps/api/src/finance/finance.module.ts
@@ -0,0 +1,13 @@
+import { Module } from '@nestjs/common';
+import { AuthModule } from '../auth/auth.module';
+import { ChequesService } from './cheques.service';
+import { CommissionsService } from './commissions.service';
+import { FinanceController } from './finance.controller';
+
+@Module({
+  imports: [AuthModule],
+  controllers: [FinanceController],
+  providers: [ChequesService, CommissionsService],
+  exports: [ChequesService, CommissionsService],
+})
+export class FinanceModule {}
diff --git a/apps/api/src/invoices/dto.ts b/apps/api/src/invoices/dto.ts
index 862f0ad..a914e2f 100644
--- a/apps/api/src/invoices/dto.ts
+++ b/apps/api/src/invoices/dto.ts
@@ -151,6 +151,18 @@ export class CreateInvoiceDto {
   @ValidateNested({ each: true })
   @Type(() => InvoiceInstallmentInputDto)
   installments?: InvoiceInstallmentInputDto[];
+
+  @IsOptional()
+  @Type(() => Number)
+  @IsNumber()
+  @Min(0)
+  commissionPercent?: number | null;
+
+  @IsOptional()
+  @Type(() => Number)
+  @IsNumber()
+  @Min(0)
+  commissionFixedAmount?: number | null;
 }
 
 export class UpdateInvoiceDto {
@@ -225,6 +237,42 @@ export class UpdateInvoiceDto {
   @ValidateNested({ each: true })
   @Type(() => InvoiceInstallmentInputDto)
   installments?: InvoiceInstallmentInputDto[];
+
+  @IsOptional()
+  @Type(() => Number)
+  @IsNumber()
+  @Min(0)
+  commissionPercent?: number | null;
+
+  @IsOptional()
+  @Type(() => Number)
+  @IsNumber()
+  @Min(0)
+  commissionFixedAmount?: number | null;
+}
+
+export class ChequeInputDto {
+  @IsString()
+  @MinLength(1)
+  @MaxLength(80)
+  number!: string;
+
+  @IsString()
+  @MinLength(1)
+  @MaxLength(120)
+  bank!: string;
+
+  @IsString()
+  dueDate!: string;
+
+  @IsOptional()
+  @IsIn(['pending', 'cleared', 'bounced'])
+  status?: 'pending' | 'cleared' | 'bounced';
+
+  @IsOptional()
+  @IsString()
+  @MaxLength(2000)
+  notes?: string;
 }
 
 export class CreatePaymentDto {
@@ -254,6 +302,11 @@ export class CreatePaymentDto {
   @IsOptional()
   @IsString()
   installmentId?: string | null;
+
+  @IsOptional()
+  @ValidateNested()
+  @Type(() => ChequeInputDto)
+  cheque?: ChequeInputDto;
 }
 
 export class ListInvoicesQueryDto {
diff --git a/apps/api/src/invoices/invoices.module.ts b/apps/api/src/invoices/invoices.module.ts
index 2313ca8..9059294 100644
--- a/apps/api/src/invoices/invoices.module.ts
+++ b/apps/api/src/invoices/invoices.module.ts
@@ -1,11 +1,12 @@
 import { Module } from '@nestjs/common';
 import { AutomationsModule } from '../automations/automations.module';
+import { FinanceModule } from '../finance/finance.module';
 import { InventoryModule } from '../inventory/inventory.module';
 import { InvoicesController } from './invoices.controller';
 import { InvoicesService } from './invoices.service';
 
 @Module({
-  imports: [AutomationsModule, InventoryModule],
+  imports: [AutomationsModule, InventoryModule, FinanceModule],
   controllers: [InvoicesController],
   providers: [InvoicesService],
   exports: [InvoicesService],
diff --git a/apps/api/src/invoices/invoices.service.ts b/apps/api/src/invoices/invoices.service.ts
index f45296e..83c67af 100644
--- a/apps/api/src/invoices/invoices.service.ts
+++ b/apps/api/src/invoices/invoices.service.ts
@@ -18,6 +18,7 @@ import { PrismaService } from '../prisma/prisma.service';
 import { type Actor, ownerWhere } from '../common/record-scope';
 import { AutomationsService } from '../automations/automations.service';
 import { InventoryService } from '../inventory/inventory.service';
+import { CommissionsService } from '../finance/commissions.service';
 
 type InvoiceActor = Pick<Actor, 'userId' | 'role'>;
 
@@ -28,7 +29,11 @@ const include = {
   quote: { select: { id: true, number: true, title: true } },
   owner: { select: { id: true, fullName: true } },
   lineItems: { orderBy: { position: 'asc' as const } },
-  payments: { orderBy: { paidAt: 'desc' as const } },
+  payments: {
+    orderBy: { paidAt: 'desc' as const },
+    include: { cheque: true },
+  },
+  commissionEntry: true,
   installments: {
     orderBy: { position: 'asc' as const },
     include: { payment: { select: { id: true } } },
@@ -43,6 +48,7 @@ export class InvoicesService {
     private readonly prisma: PrismaService,
     private readonly automations: AutomationsService,
     private readonly inventory: InventoryService,
+    private readonly commissions: CommissionsService,
   ) {}
 
   async list(
@@ -249,6 +255,14 @@ export class InvoicesService {
         dealId,
         quoteId,
         ownerId: userId,
+        commissionPercent:
+          dto.commissionPercent != null
+            ? new Prisma.Decimal(dto.commissionPercent)
+            : null,
+        commissionFixedAmount:
+          dto.commissionFixedAmount != null
+            ? new Prisma.Decimal(dto.commissionFixedAmount)
+            : null,
         ...(lineItems.length
           ? {
               lineItems: {
@@ -270,8 +284,13 @@ export class InvoicesService {
       },
       include,
     });
-    const created = this.toDto(row);
-    await this.inventory.syncInvoiceStock(organizationId, created.id);
+    await this.inventory.syncInvoiceStock(organizationId, row.id);
+    await this.commissions.syncInvoice(organizationId, row.id);
+    const fresh = await this.prisma.invoice.findFirst({
+      where: { id: row.id },
+      include,
+    });
+    const created = this.toDto(fresh ?? row);
     if (created.status !== 'draft' && created.status !== 'canceled') {
       await this.fireIssued(organizationId, created);
     }
@@ -334,6 +353,18 @@ export class InvoicesService {
     if ('companyId' in dto) data.companyId = emptyToNull(dto.companyId ?? null);
     if ('dealId' in dto) data.dealId = emptyToNull(dto.dealId ?? null);
     if ('quoteId' in dto) data.quoteId = emptyToNull(dto.quoteId ?? null);
+    if ('commissionPercent' in dto) {
+      data.commissionPercent =
+        dto.commissionPercent == null
+          ? null
+          : new Prisma.Decimal(dto.commissionPercent);
+    }
+    if ('commissionFixedAmount' in dto) {
+      data.commissionFixedAmount =
+        dto.commissionFixedAmount == null
+          ? null
+          : new Prisma.Decimal(dto.commissionFixedAmount);
+    }
 
     if (
       dto.status &&
@@ -387,6 +418,7 @@ export class InvoicesService {
 
     const row = await this.get(organizationId, id, actor);
     await this.inventory.syncInvoiceStock(organizationId, row.id);
+    await this.commissions.syncInvoice(organizationId, row.id);
     const leftDraft =
       existing.status === 'draft' &&
       row.status !== 'draft' &&
@@ -414,13 +446,23 @@ export class InvoicesService {
   ): Promise<InvoiceDto> {
     const invoice = await this.prisma.invoice.findFirst({
       where: { id: invoiceId, organizationId, ...ownerWhere(actor) },
-      select: { id: true, status: true, currency: true },
+      select: { id: true, status: true, currency: true, organizationId: true },
     });
     if (!invoice) throw new NotFoundException('فاکتور پیدا نشد');
     if (invoice.status === 'canceled') {
       throw new BadRequestException('روی فاکتور لغوشده نمی‌توان پرداخت ثبت کرد');
     }
 
+    const method = (dto.method as string) || 'transfer';
+    if (method === 'check') {
+      const cheque = dto.cheque;
+      if (!cheque?.number?.trim() || !cheque.bank?.trim() || !cheque.dueDate) {
+        throw new BadRequestException(
+          'برای پرداخت چکی شماره، بانک و تاریخ سررسید لازم است',
+        );
+      }
+    }
+
     const installmentId = emptyToNull(dto.installmentId ?? null);
     if (installmentId) {
       const installment = await this.prisma.invoiceInstallment.findFirst({
@@ -434,17 +476,33 @@ export class InvoicesService {
     }
 
     await this.prisma.$transaction(async (tx) => {
-      await tx.payment.create({
+      const payment = await tx.payment.create({
         data: {
           invoiceId,
           amount: new Prisma.Decimal(dto.amount),
           currency: (dto.currency ?? invoice.currency).trim() || 'IRR',
-          method: (dto.method as never) || 'transfer',
+          method: method as never,
           paidAt: dto.paidAt ? new Date(dto.paidAt) : new Date(),
           notes: emptyToNull(dto.notes ?? null),
           installmentId,
         },
       });
+      if (method === 'check' && dto.cheque) {
+        await tx.cheque.create({
+          data: {
+            organizationId: invoice.organizationId,
+            paymentId: payment.id,
+            invoiceId,
+            number: dto.cheque.number.trim(),
+            bank: dto.cheque.bank.trim(),
+            dueDate: new Date(dto.cheque.dueDate),
+            status: dto.cheque.status === 'cleared' || dto.cheque.status === 'bounced'
+              ? dto.cheque.status
+              : 'pending',
+            notes: emptyToNull(dto.cheque.notes ?? null),
+          },
+        });
+      }
       if (installmentId) {
         await tx.invoiceInstallment.update({
           where: { id: installmentId },
@@ -465,6 +523,7 @@ export class InvoicesService {
     await this.recomputeStatus(invoiceId);
     const row = await this.get(organizationId, invoiceId, actor);
     await this.inventory.syncInvoiceStock(organizationId, row.id);
+    await this.commissions.syncInvoice(organizationId, row.id);
     if (invoice.status === 'draft') {
       await this.fireIssued(organizationId, row);
     }
@@ -504,6 +563,7 @@ export class InvoicesService {
     });
 
     await this.recomputeStatus(invoiceId);
+    await this.commissions.syncInvoice(organizationId, invoiceId);
     return this.get(organizationId, invoiceId, actor);
   }
 
@@ -698,6 +758,28 @@ export class InvoicesService {
       paidAt: p.paidAt.toISOString(),
       notes: p.notes,
       installmentId: p.installmentId,
+      cheque: p.cheque
+        ? {
+            id: p.cheque.id,
+            paymentId: p.id,
+            invoiceId: row.id,
+            invoiceNumber: row.number,
+            invoiceTitle: row.title,
+            personName: row.person
+              ? `${row.person.firstName} ${row.person.lastName}`.trim()
+              : row.company?.name ?? null,
+            amount: Number(p.amount),
+            currency: p.currency,
+            number: p.cheque.number,
+            bank: p.cheque.bank,
+            dueDate: p.cheque.dueDate.toISOString(),
+            status: p.cheque.status,
+            notes: p.cheque.notes,
+            paidAt: p.paidAt.toISOString(),
+            createdAt: p.cheque.createdAt.toISOString(),
+            updatedAt: p.cheque.updatedAt.toISOString(),
+          }
+        : null,
       createdAt: p.createdAt.toISOString(),
     }));
     const paidAmount = payments.reduce((sum, p) => sum + p.amount, 0);
@@ -743,6 +825,19 @@ export class InvoicesService {
       lineItems,
       payments,
       installments,
+      commissionPercent:
+        row.commissionPercent == null ? null : Number(row.commissionPercent),
+      commissionFixedAmount:
+        row.commissionFixedAmount == null
+          ? null
+          : Number(row.commissionFixedAmount),
+      commission: row.commissionEntry
+        ? {
+            percent: Number(row.commissionEntry.percent),
+            amount: Number(row.commissionEntry.amount),
+            status: row.commissionEntry.status,
+          }
+        : null,
       createdAt: row.createdAt.toISOString(),
       updatedAt: row.updatedAt.toISOString(),
     };
diff --git a/apps/api/src/users/dto.ts b/apps/api/src/users/dto.ts
index ba56da5..950daa4 100644
--- a/apps/api/src/users/dto.ts
+++ b/apps/api/src/users/dto.ts
@@ -1,8 +1,12 @@
+import { Type } from 'class-transformer';
 import {
   IsEmail,
   IsIn,
+  IsNumber,
   IsString,
+  Max,
   MaxLength,
+  Min,
   MinLength,
 } from 'class-validator';
 
@@ -31,3 +35,11 @@ export class UpdateUserRoleDto {
   @IsIn(ALL_ROLES)
   role!: (typeof ALL_ROLES)[number];
 }
+
+export class UpdateUserCommissionDto {
+  @Type(() => Number)
+  @IsNumber()
+  @Min(0)
+  @Max(100)
+  commissionPercent!: number;
+}
diff --git a/apps/api/src/users/users.controller.ts b/apps/api/src/users/users.controller.ts
index 2c347ec..14a248f 100644
--- a/apps/api/src/users/users.controller.ts
+++ b/apps/api/src/users/users.controller.ts
@@ -12,7 +12,7 @@ import { JwtAuthGuard } from '../auth/jwt-auth.guard';
 import { CurrentUser } from '../auth/current-user.decorator';
 import { Roles } from '../auth/roles.decorator';
 import { RolesGuard } from '../auth/roles.guard';
-import { InviteUserDto, UpdateUserRoleDto } from './dto';
+import { InviteUserDto, UpdateUserCommissionDto, UpdateUserRoleDto } from './dto';
 import { UsersService } from './users.service';
 
 @Controller('users')
@@ -34,6 +34,21 @@ export class UsersController {
     return this.usersService.invite(user.organizationId, user.role, dto);
   }
 
+  @Patch(':id/commission')
+  @Roles('owner', 'admin')
+  updateCommission(
+    @CurrentUser() user: { organizationId: string; role: UserRole },
+    @Param('id') id: string,
+    @Body() dto: UpdateUserCommissionDto,
+  ) {
+    return this.usersService.updateCommission(
+      user.organizationId,
+      user.role,
+      id,
+      dto.commissionPercent,
+    );
+  }
+
   @Patch(':id/role')
   @Roles('owner', 'admin')
   updateRole(
diff --git a/apps/api/src/users/users.service.ts b/apps/api/src/users/users.service.ts
index c3cbb2f..9bc88f0 100644
--- a/apps/api/src/users/users.service.ts
+++ b/apps/api/src/users/users.service.ts
@@ -7,6 +7,7 @@ import {
 } from '@nestjs/common';
 import type { InviteUserRequest, OrgUserDto, UserRole } from '@mento/shared';
 import * as bcrypt from 'bcryptjs';
+import { Prisma } from '@prisma/client';
 import { PrismaService } from '../prisma/prisma.service';
 
 @Injectable()
@@ -56,6 +57,29 @@ export class UsersService {
     return this.toDto(row);
   }
 
+  async updateCommission(
+    organizationId: string,
+    actorRole: UserRole,
+    targetId: string,
+    percent: number,
+  ): Promise<OrgUserDto> {
+    if (actorRole !== 'owner' && actorRole !== 'admin') {
+      throw new ForbiddenException('فقط مالک یا مدیر می‌تواند پورسانت را تعیین کند');
+    }
+    if (percent < 0 || percent > 100) {
+      throw new BadRequestException('درصد پورسانت باید بین ۰ تا ۱۰۰ باشد');
+    }
+    const target = await this.prisma.user.findFirst({
+      where: { id: targetId, organizationId },
+    });
+    if (!target) throw new NotFoundException('کاربر پیدا نشد');
+    const row = await this.prisma.user.update({
+      where: { id: target.id },
+      data: { commissionPercent: new Prisma.Decimal(percent) },
+    });
+    return this.toDto(row);
+  }
+
   async updateRole(
     organizationId: string,
     actor: { userId: string; role: UserRole },
@@ -100,6 +124,7 @@ export class UsersService {
     email: string;
     fullName: string;
     role: UserRole;
+    commissionPercent?: { toString(): string } | number;
     createdAt: Date;
   }): OrgUserDto {
     return {
@@ -107,6 +132,7 @@ export class UsersService {
       email: row.email,
       fullName: row.fullName,
       role: row.role,
+      commissionPercent: Number(row.commissionPercent ?? 0),
       createdAt: row.createdAt.toISOString(),
     };
   }
diff --git a/apps/web/src/layouts/AppLayout.vue b/apps/web/src/layouts/AppLayout.vue
index dada177..18d3bdd 100644
--- a/apps/web/src/layouts/AppLayout.vue
+++ b/apps/web/src/layouts/AppLayout.vue
@@ -36,7 +36,7 @@ const settingsOpen = ref(false);
 const globalSearch = ref('');
 const activityBadge = ref(0);
 
-const salesPaths = ['/quotes', '/invoices', '/inventory', '/sales/forecast', '/reports', '/notes', '/tickets'];
+const salesPaths = ['/quotes', '/invoices', '/inventory', '/cheques', '/commissions', '/sales/forecast', '/reports', '/notes', '/tickets'];
 const morePaths = ['/activities/calendar', '/projects', '/project-cards', '/loyalty'];
 const settingsPaths = [
   '/settings/team',
@@ -64,6 +64,8 @@ const extraActive = computed(() =>
     '/quotes',
     '/invoices',
     '/inventory',
+    '/cheques',
+    '/commissions',
     '/sales/forecast',
     '/notes',
     '/tickets',
@@ -392,6 +394,8 @@ onUnmounted(() => {
               @click="closeMenu"
             >فاکتورها</RouterLink>
             <RouterLink to="/inventory" @click="closeMenu">انبار</RouterLink>
+            <RouterLink to="/cheques" @click="closeMenu">چک‌ها</RouterLink>
+            <RouterLink to="/commissions" @click="closeMenu">پورسانت</RouterLink>
             <RouterLink to="/sales/forecast" @click="closeMenu">هدف و پیش‌بینی</RouterLink>
             <RouterLink to="/notes" @click="closeMenu">یادداشت‌ها</RouterLink>
             <RouterLink to="/tickets" @click="closeMenu">تیکت‌ها</RouterLink>
@@ -480,6 +484,8 @@ onUnmounted(() => {
           @click="closeMenu"
         >فاکتورها</RouterLink>
         <RouterLink to="/inventory" @click="closeMenu">انبار</RouterLink>
+        <RouterLink to="/cheques" @click="closeMenu">چک‌ها</RouterLink>
+        <RouterLink to="/commissions" @click="closeMenu">پورسانت</RouterLink>
         <RouterLink to="/sales/forecast" @click="closeMenu">هدف و پیش‌بینی</RouterLink>
         <RouterLink to="/notes" @click="closeMenu">یادداشت‌ها</RouterLink>
         <RouterLink to="/tickets" @click="closeMenu">تیکت‌ها</RouterLink>
diff --git a/apps/web/src/router/index.ts b/apps/web/src/router/index.ts
index 1cc8407..989f3a4 100644
--- a/apps/web/src/router/index.ts
+++ b/apps/web/src/router/index.ts
@@ -128,6 +128,16 @@ export const router = createRouter({
           name: 'inventory',
           component: () => import('@/views/InventoryView.vue'),
         },
+        {
+          path: 'cheques',
+          name: 'cheques',
+          component: () => import('@/views/ChequesView.vue'),
+        },
+        {
+          path: 'commissions',
+          name: 'commissions',
+          component: () => import('@/views/CommissionsView.vue'),
+        },
         {
           path: 'pipeline',
           name: 'pipeline',
diff --git a/apps/web/src/views/ChequesView.vue b/apps/web/src/views/ChequesView.vue
new file mode 100644
index 0000000..100046d
--- /dev/null
+++ b/apps/web/src/views/ChequesView.vue
@@ -0,0 +1,152 @@
+<script setup lang="ts">
+import { computed, onMounted, ref } from 'vue';
+import { RouterLink } from 'vue-router';
+import axios from 'axios';
+import { api } from '@/lib/api';
+import { formatMoney } from '@/lib/money';
+import { formatJalaliNumeric } from '@/lib/jalali';
+import UiButton from '@/components/ui/UiButton.vue';
+import type { ChequeDto, ChequeStatus } from '@mento/shared';
+
+const loading = ref(false);
+const error = ref('');
+const items = ref<ChequeDto[]>([]);
+const status = ref('');
+const q = ref('');
+const savingId = ref('');
+
+const statusLabel: Record<ChequeStatus, string> = {
+  pending: 'در جریان',
+  cleared: 'وصول شد',
+  bounced: 'برگشت',
+};
+
+const filtered = computed(() => items.value);
+
+async function load() {
+  loading.value = true;
+  error.value = '';
+  try {
+    const { data } = await api.get<ChequeDto[]>('/cheques', {
+      params: { status: status.value || undefined, q: q.value || undefined },
+    });
+    items.value = data;
+  } catch (e) {
+    error.value = axios.isAxiosError(e)
+      ? 'بارگذاری چک‌ها ناموفق بود.'
+      : 'بارگذاری چک‌ها ناموفق بود.';
+  } finally {
+    loading.value = false;
+  }
+}
+
+async function setStatus(row: ChequeDto, next: ChequeStatus) {
+  if (row.status === next) return;
+  savingId.value = row.id;
+  try {
+    const { data } = await api.patch<ChequeDto>(`/cheques/${row.id}`, {
+      status: next,
+    });
+    items.value = items.value.map((item) => (item.id === row.id ? data : item));
+  } catch {
+    error.value = 'تغییر وضعیت چک ناموفق بود.';
+  } finally {
+    savingId.value = '';
+  }
+}
+
+onMounted(load);
+</script>
+
+<template>
+  <section class="page" dir="rtl">
+    <header class="head">
+      <div>
+        <h1>چک‌ها</h1>
+        <p class="sub">دفتر چک‌های دریافتی وصل به فاکتور؛ وضعیت فقط برای پیگیری است</p>
+      </div>
+      <UiButton variant="ghost" type="button" :disabled="loading" @click="load">
+        بروزرسانی
+      </UiButton>
+    </header>
+
+    <div class="toolbar">
+      <input v-model="q" type="search" placeholder="شماره چک، بانک یا فاکتور" @keyup.enter="load" />
+      <select v-model="status" @change="load">
+        <option value="">همه وضعیت‌ها</option>
+        <option value="pending">در جریان</option>
+        <option value="cleared">وصول شد</option>
+        <option value="bounced">برگشت</option>
+      </select>
+      <UiButton type="button" @click="load">اعمال</UiButton>
+    </div>
+
+    <p v-if="error" class="error">{{ error }}</p>
+    <p v-else-if="loading && !items.length" class="muted">در حال بارگذاری…</p>
+    <p v-else-if="!filtered.length" class="muted">چکی ثبت نشده.</p>
+    <div v-else class="table-wrap">
+      <table>
+        <thead>
+          <tr>
+            <th>شماره</th>
+            <th>بانک</th>
+            <th>سررسید</th>
+            <th>مبلغ</th>
+            <th>فاکتور</th>
+            <th>طرف‌حساب</th>
+            <th>وضعیت</th>
+          </tr>
+        </thead>
+        <tbody>
+          <tr v-for="row in filtered" :key="row.id">
+            <td>{{ row.number }}</td>
+            <td>{{ row.bank }}</td>
+            <td>{{ formatJalaliNumeric(new Date(row.dueDate)) }}</td>
+            <td>{{ formatMoney(row.amount, row.currency) }}</td>
+            <td>
+              <RouterLink :to="{ name: 'invoice-detail', params: { id: row.invoiceId } }">
+                {{ row.invoiceNumber }}
+              </RouterLink>
+            </td>
+            <td>{{ row.personName || '—' }}</td>
+            <td>
+              <select
+                :value="row.status"
+                :disabled="savingId === row.id"
+                @change="setStatus(row, ($event.target as HTMLSelectElement).value as ChequeStatus)"
+              >
+                <option value="pending">{{ statusLabel.pending }}</option>
+                <option value="cleared">{{ statusLabel.cleared }}</option>
+                <option value="bounced">{{ statusLabel.bounced }}</option>
+              </select>
+            </td>
+          </tr>
+        </tbody>
+      </table>
+    </div>
+  </section>
+</template>
+
+<style scoped>
+.page { display: grid; gap: 1rem; }
+.head { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
+h1 { margin: 0; font-size: 1.25rem; }
+.sub, .muted { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.88rem; }
+.error { color: var(--danger, #dc2626); font-weight: 600; }
+.toolbar {
+  display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center;
+}
+.toolbar input, .toolbar select {
+  min-height: var(--control-h); border: 1px solid var(--line); border-radius: var(--radius);
+  padding: 0 0.75rem; background: #fff;
+}
+.table-wrap { overflow: auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
+table { width: 100%; border-collapse: collapse; min-width: 720px; }
+th, td { padding: 0.7rem 0.65rem; border-bottom: 1px solid #eef2f7; text-align: right; }
+th { background: #f8fafc; color: #64748b; font-size: 0.82rem; }
+select {
+  min-height: var(--control-h); border: 1px solid var(--line); border-radius: var(--radius);
+  padding: 0 0.55rem; background: #fff;
+}
+a { color: #0f766e; font-weight: 700; }
+</style>
diff --git a/apps/web/src/views/CommissionsView.vue b/apps/web/src/views/CommissionsView.vue
new file mode 100644
index 0000000..8666907
--- /dev/null
+++ b/apps/web/src/views/CommissionsView.vue
@@ -0,0 +1,104 @@
+<script setup lang="ts">
+import { computed, onMounted, ref } from 'vue';
+import { RouterLink } from 'vue-router';
+import { api } from '@/lib/api';
+import { formatMoney } from '@/lib/money';
+import { formatJalaliNumeric, toFaDigits } from '@/lib/jalali';
+import UiButton from '@/components/ui/UiButton.vue';
+import type { CommissionEntryDto } from '@mento/shared';
+
+const loading = ref(false);
+const error = ref('');
+const items = ref<CommissionEntryDto[]>([]);
+
+const posted = computed(() => items.value.filter((r) => r.status === 'posted'));
+const total = computed(() => posted.value.reduce((sum, r) => sum + r.amount, 0));
+
+async function load() {
+  loading.value = true;
+  error.value = '';
+  try {
+    const { data } = await api.get<CommissionEntryDto[]>('/commissions');
+    items.value = data;
+  } catch {
+    error.value = 'بارگذاری پورسانت‌ها ناموفق بود.';
+  } finally {
+    loading.value = false;
+  }
+}
+
+onMounted(load);
+</script>
+
+<template>
+  <section class="page" dir="rtl">
+    <header class="head">
+      <div>
+        <h1>پورسانت فروش</h1>
+        <p class="sub">با صدور هر فاکتور برای کارشناس مالک فاکتور ثبت می‌شود</p>
+      </div>
+      <UiButton variant="ghost" type="button" :disabled="loading" @click="load">
+        بروزرسانی
+      </UiButton>
+    </header>
+
+    <article class="kpi">
+      <span>جمع پورسانت ثبت‌شده</span>
+      <strong>{{ formatMoney(total) }}</strong>
+      <small>{{ toFaDigits(String(posted.length)) }} فاکتور</small>
+    </article>
+
+    <p v-if="error" class="error">{{ error }}</p>
+    <p v-else-if="loading && !items.length" class="muted">در حال بارگذاری…</p>
+    <p v-else-if="!items.length" class="muted">هنوز پورسانتی ثبت نشده.</p>
+    <div v-else class="table-wrap">
+      <table>
+        <thead>
+          <tr>
+            <th>کارشناس</th>
+            <th>فاکتور</th>
+            <th>درصد</th>
+            <th>مبلغ</th>
+            <th>وضعیت</th>
+            <th>تاریخ</th>
+          </tr>
+        </thead>
+        <tbody>
+          <tr v-for="row in items" :key="row.id">
+            <td>{{ row.userName }}</td>
+            <td>
+              <RouterLink :to="{ name: 'invoice-detail', params: { id: row.invoiceId } }">
+                {{ row.invoiceNumber }}
+              </RouterLink>
+              <small>{{ row.invoiceTitle }}</small>
+            </td>
+            <td>{{ toFaDigits(String(row.percent)) }}٪</td>
+            <td>{{ formatMoney(row.amount, row.currency) }}</td>
+            <td>{{ row.status === 'posted' ? 'ثبت‌شده' : 'باطل' }}</td>
+            <td>{{ formatJalaliNumeric(new Date(row.createdAt)) }}</td>
+          </tr>
+        </tbody>
+      </table>
+    </div>
+  </section>
+</template>
+
+<style scoped>
+.page { display: grid; gap: 1rem; }
+.head { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
+h1 { margin: 0; font-size: 1.25rem; }
+.sub, .muted { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.88rem; }
+.error { color: var(--danger, #dc2626); font-weight: 600; }
+.kpi {
+  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
+  padding: 1rem 1.1rem; width: fit-content; min-width: 16rem;
+}
+.kpi span, .kpi small { display: block; color: var(--muted); font-size: 0.8rem; }
+.kpi strong { display: block; margin: 0.25rem 0; font-size: 1.15rem; }
+.table-wrap { overflow: auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
+table { width: 100%; border-collapse: collapse; min-width: 720px; }
+th, td { padding: 0.7rem 0.65rem; border-bottom: 1px solid #eef2f7; text-align: right; vertical-align: top; }
+th { background: #f8fafc; color: #64748b; font-size: 0.82rem; }
+td small { display: block; color: var(--muted); font-size: 0.78rem; }
+a { color: #0f766e; font-weight: 700; }
+</style>
diff --git a/apps/web/src/views/InvoiceFormView.vue b/apps/web/src/views/InvoiceFormView.vue
index b174bd1..1e65bcd 100644
--- a/apps/web/src/views/InvoiceFormView.vue
+++ b/apps/web/src/views/InvoiceFormView.vue
@@ -14,6 +14,7 @@ import MoneyInput from '@/components/MoneyInput.vue';
 import UiIcon from '@/components/UiIcon.vue';
 import BrandName from '@/components/brand/BrandName.vue';
 import { brand } from '@mento/shared';
+import { useAuthStore } from '@/stores/auth';
 import type {
   CreateInvoiceRequest,
   CreatePaymentRequest,
@@ -24,6 +25,7 @@ import type {
   InvoiceInstallmentInput,
   InvoiceStatus,
   OrganizationDto,
+  OrgUserDto,
   PaginatedResponse,
   PaymentMethod,
   PersonDto,
@@ -125,6 +127,15 @@ const payMethod = ref<PaymentMethod>('transfer');
 const payNotes = ref('');
 const payInstallmentId = ref('');
 const payDate = ref(formatLocalDateInput(new Date()));
+const chequeNumber = ref('');
+const chequeBank = ref('');
+const chequeDue = ref('');
+const chequeStatus = ref<'pending' | 'cleared' | 'bounced'>('pending');
+const commissionMode = ref<'percent' | 'amount'>('percent');
+const commissionPercent = ref('');
+const commissionFixedAmount = ref('');
+const defaultCommissionPercent = ref(0);
+const auth = useAuthStore();
 
 const invoiceStatusLabel: Record<InvoiceStatus, string> = {
   draft: 'پیش‌نویس',
@@ -249,6 +260,16 @@ const payableAmount = computed(() =>
   docMode.value === 'credit' ? -payableSigned.value : payableSigned.value,
 );
 
+const commissionPreview = computed(() => {
+  const base = Math.abs(payableAmount.value);
+  if (commissionMode.value === 'amount') {
+    const n = Number(commissionFixedAmount.value);
+    return Number.isFinite(n) ? n : 0;
+  }
+  const n = Number(commissionPercent.value || defaultCommissionPercent.value);
+  return Number.isFinite(n) ? Math.round((base * n) / 100) : 0;
+});
+
 function formatMoney(amount: number) {
   return formatMoneyLib(amount, currency.value);
 }
@@ -461,6 +482,9 @@ async function load() {
     loadedInvoiceKind.value = null;
     installments.value = [];
     lines.value = [];
+    commissionMode.value = 'percent';
+    commissionPercent.value = '';
+    commissionFixedAmount.value = '';
     validityMode.value = 'days';
     validityDays.value = 30;
 
@@ -473,6 +497,16 @@ async function load() {
     ]);
     people.value = peopleRes.data.items;
     products.value = productsRes.data;
+    try {
+      const { data: team } = await api.get<OrgUserDto[]>('/users');
+      const me = team.find((u) => u.id === auth.user?.id);
+      defaultCommissionPercent.value = Number(me?.commissionPercent ?? 0);
+      if (!commissionPercent.value && defaultCommissionPercent.value) {
+        commissionPercent.value = String(defaultCommissionPercent.value);
+      }
+    } catch {
+      /* optional */
+    }
     enabledCurrencies.value = orgRes.data.enabledCurrencies?.length
       ? orgRes.data.enabledCurrencies
       : [orgRes.data.baseCurrency || 'IRR'];
@@ -525,6 +559,18 @@ async function load() {
         if (data.remainingAmount > 0) {
           payAmount.value = String(data.remainingAmount);
         }
+        if (data.commissionFixedAmount != null) {
+          commissionMode.value = 'amount';
+          commissionFixedAmount.value = String(data.commissionFixedAmount);
+          commissionPercent.value = String(
+            data.commissionPercent ?? defaultCommissionPercent.value,
+          );
+        } else {
+          commissionMode.value = 'percent';
+          commissionPercent.value = String(
+            data.commissionPercent ?? defaultCommissionPercent.value,
+          );
+        }
       }
       if (!lines.value.length) lines.value = [newLine()];
     } else {
@@ -570,6 +616,18 @@ function invoicePayload(): CreateInvoiceRequest {
     lineItems: toLineInputs(),
     installments: toInstallmentInputs(),
     currency: currency.value || 'IRR',
+    commissionPercent:
+      commissionMode.value === 'percent'
+        ? commissionPercent.value === ''
+          ? null
+          : Number(commissionPercent.value)
+        : null,
+    commissionFixedAmount:
+      commissionMode.value === 'amount'
+        ? commissionFixedAmount.value === ''
+          ? null
+          : Number(commissionFixedAmount.value)
+        : null,
   };
 }
 
@@ -671,6 +729,10 @@ async function submitPayment() {
     error.value = 'مبلغ پرداخت را وارد کنید.';
     return;
   }
+  if (payMethod.value === 'check' && (!chequeNumber.value.trim() || !chequeBank.value.trim() || !chequeDue.value)) {
+    error.value = 'شماره، بانک و سررسید چک را وارد کنید.';
+    return;
+  }
   paying.value = true;
   error.value = '';
   try {
@@ -680,6 +742,15 @@ async function submitPayment() {
       notes: payNotes.value || undefined,
       paidAt: payDate.value ? new Date(payDate.value).toISOString() : undefined,
       installmentId: payInstallmentId.value || null,
+      cheque:
+        payMethod.value === 'check'
+          ? {
+              number: chequeNumber.value.trim(),
+              bank: chequeBank.value.trim(),
+              dueDate: new Date(chequeDue.value).toISOString(),
+              status: chequeStatus.value,
+            }
+          : undefined,
     };
     const { data } = await api.post<InvoiceDto>(
       `/invoices/${id.value}/payments`,
@@ -688,6 +759,10 @@ async function submitPayment() {
     invoice.value = data;
     payNotes.value = '';
     payInstallmentId.value = '';
+    chequeNumber.value = '';
+    chequeBank.value = '';
+    chequeDue.value = '';
+    chequeStatus.value = 'pending';
     await load();
   } catch (e) {
     error.value = axiosMessage(e, 'ثبت پرداخت ناموفق بود');
@@ -1128,6 +1203,45 @@ onMounted(load);
                 <span>مبلغ قابل پرداخت</span>
                 <strong>{{ formatMoney(payableAmount) }}</strong>
               </div>
+              <div v-if="docMode === 'invoice'" class="commission-box">
+                <div class="days-row">
+                  <button
+                    type="button"
+                    :class="{ on: commissionMode === 'percent' }"
+                    @click="commissionMode = 'percent'"
+                  >
+                    درصد
+                  </button>
+                  <button
+                    type="button"
+                    :class="{ on: commissionMode === 'amount' }"
+                    @click="commissionMode = 'amount'"
+                  >
+                    مبلغ ثابت
+                  </button>
+                </div>
+                <label v-if="commissionMode === 'percent'" class="field">
+                  <span>پورسانت کارشناس (%)</span>
+                  <input
+                    v-model="commissionPercent"
+                    type="number"
+                    min="0"
+                    max="100"
+                    step="0.1"
+                    :placeholder="String(defaultCommissionPercent || 0)"
+                  />
+                </label>
+                <label v-else class="field">
+                  <span>مبلغ پورسانت</span>
+                  <MoneyInput v-model="commissionFixedAmount" :decimals="0" />
+                </label>
+                <p class="muted-sm">
+                  برآورد پورسانت: {{ formatMoney(commissionPreview) }}
+                  <template v-if="invoice?.commission?.status === 'posted'">
+                    · ثبت‌شده {{ formatMoney(invoice.commission.amount) }}
+                  </template>
+                </p>
+              </div>
             </div>
           </section>
 
@@ -1210,6 +1324,16 @@ onMounted(load);
                   </option>
                 </select>
                 <input v-model="payNotes" placeholder="یادداشت پرداخت" />
+                <div v-if="payMethod === 'check'" class="cheque-fields">
+                  <input v-model="chequeNumber" placeholder="شماره چک" />
+                  <input v-model="chequeBank" placeholder="بانک" />
+                  <JalaliDateInput v-model="chequeDue" placeholder="سررسید چک" />
+                  <select v-model="chequeStatus">
+                    <option value="pending">در جریان</option>
+                    <option value="cleared">وصول شد</option>
+                    <option value="bounced">برگشت</option>
+                  </select>
+                </div>
                 <button
                   class="btn primary"
                   type="button"
@@ -1230,6 +1354,9 @@ onMounted(load);
                     <strong>{{ formatMoney(p.amount) }}</strong>
                     <span class="muted">
                       · {{ methodLabel[p.method as PaymentMethod] || p.method }}
+                      <template v-if="p.cheque">
+                        · چک {{ p.cheque.number }} / {{ p.cheque.bank }}
+                      </template>
                       · {{ p.paidAt.slice(0, 10) }}
                     </span>
                   </div>
@@ -1547,6 +1674,19 @@ onMounted(load);
                 <span>مبلغ قابل پرداخت</span>
                 <strong>{{ formatMoney(payableAmount) }}</strong>
               </div>
+              <div v-if="docMode === 'invoice'" class="commission-box">
+                <label class="field">
+                  <span>پورسانت کارشناس (%)</span>
+                  <input
+                    v-model="commissionPercent"
+                    type="number"
+                    min="0"
+                    max="100"
+                    step="0.1"
+                  />
+                </label>
+                <p class="muted-sm">برآورد: {{ formatMoney(commissionPreview) }}</p>
+              </div>
             </div>
           </section>
 
@@ -2366,6 +2506,19 @@ h1 {
   gap: 0.5rem;
 }
 
+.cheque-fields,
+.commission-box {
+  grid-column: 1 / -1;
+  display: grid;
+  gap: 0.45rem;
+}
+
+.commission-box {
+  margin-top: 0.45rem;
+  padding-top: 0.55rem;
+  border-top: 1px dashed var(--line);
+}
+
 .pay-list {
   display: grid;
   gap: 0.45rem;
diff --git a/apps/web/src/views/TeamSettingsView.vue b/apps/web/src/views/TeamSettingsView.vue
index 46a5566..b11bf3b 100644
--- a/apps/web/src/views/TeamSettingsView.vue
+++ b/apps/web/src/views/TeamSettingsView.vue
@@ -131,6 +131,24 @@ async function invite() {
   }
 }
 
+async function changeCommission(user: OrgUserDto, raw: string) {
+  if (!canInvite.value) return;
+  const next = Number(raw);
+  if (!Number.isFinite(next) || next === Number(user.commissionPercent ?? 0)) return;
+  error.value = '';
+  try {
+    await api.patch(`/users/${user.id}/commission`, { commissionPercent: next });
+    await load();
+  } catch (e) {
+    if (axios.isAxiosError(e)) {
+      const msg = (e.response?.data as { message?: string | string[] })?.message;
+      error.value = Array.isArray(msg) ? msg.join('، ') : (msg ?? 'ذخیره پورسانت ناموفق بود');
+    } else {
+      error.value = 'ذخیره پورسانت ناموفق بود';
+    }
+  }
+}
+
 async function changeRole(user: OrgUserDto, next: string) {
   const nextRole = next as UserRole;
   if (nextRole === user.role) return;
@@ -157,7 +175,7 @@ onMounted(load);
       <div class="head-copy">
         <h1>تیم و نقش‌ها</h1>
         <p class="lead">
-          زمینه فعالیت سازمان و کاربران را اینجا مدیریت کنید. تنظیمات سازمانی فقط برای مالک و مدیر است.
+          زمینه فعالیت سازمان، نقش‌ها و درصد پیش‌فرض پورسانت هر کارشناس را اینجا مدیریت کنید.
         </p>
       </div>
     </header>
@@ -224,6 +242,18 @@ onMounted(load);
           <p class="muted">{{ user.email }}</p>
         </div>
         <div class="role-cell">
+          <label class="comm-field">
+            <span>پورسانت %</span>
+            <input
+              type="number"
+              min="0"
+              max="100"
+              step="0.1"
+              :value="user.commissionPercent ?? 0"
+              :disabled="!canInvite"
+              @change="changeCommission(user, ($event.target as HTMLInputElement).value)"
+            />
+          </label>
           <template v-if="canInvite">
             <select
               :value="user.role"
@@ -373,6 +403,24 @@ select {
   margin: 0.2rem 0 0;
 }
 
+.role-cell {
+  display: flex;
+  align-items: center;
+  gap: 0.55rem;
+}
+
+.comm-field {
+  display: grid;
+  gap: 0.15rem;
+  font-size: 0.75rem;
+  color: #64748b;
+}
+
+.comm-field input {
+  width: 4.8rem;
+  padding: 0 0.45rem;
+}
+
 .role-pill {
   background: #f0fdfa;
   color: #0f766e;
diff --git a/docs/وضعیت-پیشرفت.md b/docs/وضعیت-پیشرفت.md
index fd7b41b..b4de06f 100644
--- a/docs/وضعیت-پیشرفت.md
+++ b/docs/وضعیت-پیشرفت.md
@@ -1,7 +1,7 @@
 # وضعیت پیشرفت منتکت (Montact CRM)
 
 سند زندهٔ کارها — با هر قابلیت جدید همین فایل به‌روز می‌شود.  
-آخرین به‌روزرسانی: ۱۹ شهریور ۱۴۰۵
+آخرین به‌روزرسانی: ۲۰ شهریور ۱۴۰۵
 
 **راهنما:**  
 - `[x]` انجام شده  
@@ -14,6 +14,7 @@
 
 | تاریخ | مورد |
 |---|---|
+| ۱۴۰۵/۶/۲۰ | پورسانت کارشناس (درصد پیش‌فرض + تغییر روی فاکتور) و دفتر چک وصل به پرداخت |
 | ۱۴۰۵/۶/۱۹ | انبار داخلی + مانده طرف‌حساب وقتی ته‌حساب وصل نیست؛ خروج کالا با صدور فاکتور |
 | ۱۴۰۵/۶/۱۴ | هم‌تراز کردن ظاهر صفحات قدیمی با زبان بصری منتکت (لیست/فرم/تنظیمات/گزارش) + جداکننده هزارگان روی فیلدهای مبلغ |
 | ۱۴۰۵/۶/۱۴ | یادآور فعالیت: کانال اعلان داخل‌برنامه و/یا پیامک |
@@ -97,6 +98,8 @@
 | [x] | باشگاه مشتریان | امتیاز و سطوح |
 | [x] | اتصال ته‌حساب | چند اتصال DB، لینک شخص، مانده، اسناد، ثبت سند (طلا/جواهر) |
 | [x] | انبار و مانده داخلی | وقتی ته‌حساب نیست: موجودی کالا، ورود/اصلاح، خروج با صدور فاکتور، مانده شخص |
+| [x] | پورسانت فروش | درصد پیش‌فرض کارشناس در تنظیمات تیم؛ درصد یا مبلغ روی فاکتور؛ ثبت با صدور |
+| [x] | دفتر چک | شماره، بانک، سررسید، وضعیت؛ وصل به پرداخت فاکتور؛ وصول فاکتور همان لحظه ثبت |
 
 ---
 
diff --git a/packages/shared/src/index.ts b/packages/shared/src/index.ts
index 62fdf97..36d9833 100644
--- a/packages/shared/src/index.ts
+++ b/packages/shared/src/index.ts
@@ -42,9 +42,14 @@ export interface OrgUserDto {
   email: string;
   fullName: string;
   role: UserRole;
+  commissionPercent?: number;
   createdAt: string;
 }
 
+export interface UpdateUserCommissionRequest {
+  commissionPercent: number;
+}
+
 export interface InviteUserRequest {
   email: string;
   fullName: string;
@@ -1131,6 +1136,43 @@ export interface InvoiceLineItemDto {
   lineTotal: number;
 }
 
+export type ChequeStatus = "pending" | "cleared" | "bounced";
+
+export interface ChequeDto {
+  id: string;
+  paymentId: string;
+  invoiceId: string;
+  invoiceNumber: string;
+  invoiceTitle: string;
+  personName: string | null;
+  amount: number;
+  currency: string;
+  number: string;
+  bank: string;
+  dueDate: string;
+  status: ChequeStatus | string;
+  notes: string | null;
+  paidAt: string;
+  createdAt: string;
+  updatedAt: string;
+}
+
+export interface ChequeInput {
+  number: string;
+  bank: string;
+  dueDate: string;
+  status?: ChequeStatus | string;
+  notes?: string;
+}
+
+export interface UpdateChequeRequest {
+  number?: string;
+  bank?: string;
+  dueDate?: string;
+  status?: ChequeStatus | string;
+  notes?: string | null;
+}
+
 export interface PaymentDto {
   id: string;
   amount: number;
@@ -1139,6 +1181,21 @@ export interface PaymentDto {
   paidAt: string;
   notes: string | null;
   installmentId: string | null;
+  cheque?: ChequeDto | null;
+  createdAt: string;
+}
+
+export interface CommissionEntryDto {
+  id: string;
+  userId: string;
+  userName: string;
+  invoiceId: string;
+  invoiceNumber: string;
+  invoiceTitle: string;
+  percent: number;
+  amount: number;
+  currency: string;
+  status: "posted" | "void" | string;
   createdAt: string;
 }
 
@@ -1179,6 +1236,13 @@ export interface InvoiceDto {
   lineItems: InvoiceLineItemDto[];
   payments: PaymentDto[];
   installments: InvoiceInstallmentDto[];
+  commissionPercent?: number | null;
+  commissionFixedAmount?: number | null;
+  commission?: {
+    percent: number;
+    amount: number;
+    status: string;
+  } | null;
   createdAt: string;
   updatedAt: string;
 }
@@ -1207,6 +1271,8 @@ export interface CreateInvoiceRequest {
   fromQuoteId?: string | null;
   lineItems?: DealLineItemInput[];
   installments?: InvoiceInstallmentInput[];
+  commissionPercent?: number | null;
+  commissionFixedAmount?: number | null;
 }
 
 export interface UpdateInvoiceRequest {
@@ -1225,6 +1291,8 @@ export interface UpdateInvoiceRequest {
   quoteId?: string | null;
   lineItems?: DealLineItemInput[];
   installments?: InvoiceInstallmentInput[];
+  commissionPercent?: number | null;
+  commissionFixedAmount?: number | null;
 }
 
 export interface CreatePaymentRequest {
@@ -1234,6 +1302,7 @@ export interface CreatePaymentRequest {
   paidAt?: string;
   notes?: string;
   installmentId?: string | null;
+  cheque?: ChequeInput;
 }
 
 export type SalesGoalType =