diff --git a/app/Http/Controllers/V1/Admin/Expense/DuplicateExpenseController.php b/app/Http/Controllers/V1/Admin/Expense/DuplicateExpenseController.php
new file mode 100644
index 00000000..8d124631
--- /dev/null
+++ b/app/Http/Controllers/V1/Admin/Expense/DuplicateExpenseController.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace App\Http\Controllers\V1\Admin\Expense;
+
+use App\Http\Controllers\Controller;
+use App\Http\Requests\DuplicateExpenseRequest;
+use App\Http\Resources\ExpenseResource;
+use App\Models\CompanySetting;
+use App\Models\ExchangeRateLog;
+use App\Models\Expense;
+
+class DuplicateExpenseController extends Controller
+{
+    /**
+     * Duplicate an expense, appending " (copy)" to the note (description).
+     */
+    public function __invoke(DuplicateExpenseRequest $request, Expense $expense): ExpenseResource
+    {
+        $this->authorize('view', $expense);
+        $this->authorize('create', Expense::class);
+
+        $expense->load('fields');
+
+        $companyCurrency = CompanySetting::getSetting('currency', $request->header('company'));
+        $currentCurrency = $expense->currency_id;
+        $exchangeRate = $companyCurrency != $currentCurrency ? $expense->exchange_rate : 1;
+
+        $notes = trim((string) $expense->notes);
+        $duplicatedNotes = $notes === '' ? '(copy)' : $notes.' (copy)';
+
+        $newExpense = Expense::query()->create([
+            'expense_date' => $request->validated('expense_date'),
+            'expense_number' => null,
+            'expense_category_id' => $expense->expense_category_id,
+            'payment_method_id' => $expense->payment_method_id,
+            'amount' => $expense->amount,
+            'customer_id' => $expense->customer_id,
+            'notes' => $duplicatedNotes,
+            'currency_id' => $expense->currency_id,
+            'creator_id' => $request->user()->id,
+            'company_id' => $request->header('company'),
+            'exchange_rate' => $exchangeRate,
+            'base_amount' => $expense->amount * $exchangeRate,
+        ]);
+
+        if ((string) $newExpense->currency_id !== (string) $companyCurrency) {
+            ExchangeRateLog::addExchangeRateLog($newExpense);
+        }
+
+        if ($expense->fields()->exists()) {
+            $customFields = [];
+
+            foreach ($expense->fields as $data) {
+                $customFields[] = [
+                    'id' => $data->custom_field_id,
+                    'value' => $data->defaultAnswer,
+                ];
+            }
+
+            $newExpense->addCustomFields($customFields);
+        }
+
+        return new ExpenseResource($newExpense);
+    }
+}
diff --git a/app/Http/Requests/DuplicateExpenseRequest.php b/app/Http/Requests/DuplicateExpenseRequest.php
new file mode 100644
index 00000000..f3777c58
--- /dev/null
+++ b/app/Http/Requests/DuplicateExpenseRequest.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class DuplicateExpenseRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     */
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array<string, array<int, string>>
+     */
+    public function rules(): array
+    {
+        return [
+            'expense_date' => [
+                'required',
+                'date_format:Y-m-d',
+            ],
+        ];
+    }
+}
diff --git a/lang/en.json b/lang/en.json
index 81e852c1..8202ba52 100644
--- a/lang/en.json
+++ b/lang/en.json
@@ -677,6 +677,10 @@
     "no_expenses": "No expenses yet!",
     "list_of_expenses": "This section will contain the list of expenses.",
     "confirm_delete": "You will not be able to recover this Expense | You will not be able to recover these Expenses",
+    "duplicate_expense": "Duplicate",
+    "duplicate_expense_title": "Duplicate expense",
+    "duplicate_expense_modal_hint": "Change the date if you need to. (copy) is added to the note.",
+    "duplicated_message": "Expense duplicated successfully",
     "created_message": "Expense created successfully",
     "updated_message": "Expense updated successfully",
     "deleted_message": "Expense deleted successfully | Expenses deleted successfully",
diff --git a/resources/scripts/admin/components/dropdowns/ExpenseIndexDropdown.vue b/resources/scripts/admin/components/dropdowns/ExpenseIndexDropdown.vue
index 74ea564a..6bdf126b 100644
--- a/resources/scripts/admin/components/dropdowns/ExpenseIndexDropdown.vue
+++ b/resources/scripts/admin/components/dropdowns/ExpenseIndexDropdown.vue
@@ -21,6 +21,18 @@
       </BaseDropdownItem>
     </router-link>
 
+    <!-- duplicate expense  -->
+    <BaseDropdownItem
+      v-if="userStore.hasAbilities(abilities.CREATE_EXPENSE)"
+      @click="onDuplicateExpense(row)"
+    >
+      <BaseIcon
+        name="DocumentDuplicateIcon"
+        class="w-5 h-5 mr-3 text-gray-400 group-hover:text-gray-500"
+      />
+      {{ $t('expenses.duplicate_expense') }}
+    </BaseDropdownItem>
+
     <!-- delete expense  -->
     <BaseDropdownItem
       v-if="userStore.hasAbilities(abilities.DELETE_EXPENSE)"
@@ -37,10 +49,10 @@
 
 <script setup>
 import { useDialogStore } from '@/scripts/stores/dialog'
-import { useNotificationStore } from '@/scripts/stores/notification'
+import { useModalStore } from '@/scripts/stores/modal'
 import { useI18n } from 'vue-i18n'
 import { useExpenseStore } from '@/scripts/admin/stores/expense'
-import { useRoute, useRouter } from 'vue-router'
+import { useRoute } from 'vue-router'
 import { inject } from 'vue'
 import { useUserStore } from '@/scripts/admin/stores/user'
 import abilities from '@/scripts/admin/stub/abilities'
@@ -61,15 +73,24 @@ const props = defineProps({
 })
 
 const dialogStore = useDialogStore()
-const notificationStore = useNotificationStore()
+const modalStore = useModalStore()
 const { t } = useI18n()
 const expenseStore = useExpenseStore()
 const route = useRoute()
-const router = useRouter()
 const userStore = useUserStore()
 
 const $utils = inject('utils')
 
+function onDuplicateExpense(row) {
+  modalStore.openModal({
+    title: t('expenses.duplicate_expense_title'),
+    componentName: 'DuplicateExpenseModal',
+    data: row,
+    size: 'sm',
+    refreshData: props.loadData,
+  })
+}
+
 function removeExpense(id) {
   dialogStore
     .openDialog({
diff --git a/resources/scripts/admin/components/modal-components/DuplicateExpenseModal.vue b/resources/scripts/admin/components/modal-components/DuplicateExpenseModal.vue
new file mode 100644
index 00000000..ec37811f
--- /dev/null
+++ b/resources/scripts/admin/components/modal-components/DuplicateExpenseModal.vue
@@ -0,0 +1,146 @@
+<template>
+  <BaseModal
+    :show="modalActive"
+    :initial-focus="initialFocusRef"
+    @close="closeModal"
+    @open="onModalOpen"
+  >
+    <template #header>
+      <div class="flex justify-between w-full">
+        {{ modalStore.title }}
+        <BaseIcon
+          name="XMarkIcon"
+          class="w-6 h-6 text-gray-500 cursor-pointer"
+          @click="closeModal"
+        />
+      </div>
+    </template>
+
+    <form action="" @submit.prevent="submitDuplicate">
+      <div
+        ref="initialFocusRef"
+        class="sr-only outline-none focus:outline-none"
+        tabindex="-1"
+        aria-hidden="true"
+      />
+
+      <div class="px-8 py-6 sm:p-6">
+        <p class="mb-6 text-sm text-gray-600">
+          {{ $t('expenses.duplicate_expense_modal_hint') }}
+        </p>
+
+        <BaseInputGroup
+          :label="$t('expenses.expense_date')"
+          variant="vertical"
+          required
+        >
+          <BaseDatePicker
+            v-model="selectedExpenseDate"
+            :calendar-button="true"
+            calendar-button-icon="calendar"
+          />
+        </BaseInputGroup>
+      </div>
+
+      <div
+        class="
+          z-0
+          flex
+          justify-end
+          px-4
+          py-4
+          border-t border-gray-200 border-solid
+        "
+      >
+        <BaseButton
+          class="mr-2"
+          variant="primary-outline"
+          type="button"
+          @click="closeModal"
+        >
+          {{ $t('general.cancel') }}
+        </BaseButton>
+
+        <BaseButton
+          :loading="isDuplicating"
+          :disabled="isDuplicating || !selectedExpenseDate"
+          variant="primary"
+          type="submit"
+        >
+          <template #left="slotProps">
+            <BaseIcon
+              v-if="!isDuplicating"
+              name="DocumentDuplicateIcon"
+              :class="slotProps.class"
+            />
+          </template>
+          {{ $t('expenses.duplicate_expense') }}
+        </BaseButton>
+      </div>
+    </form>
+  </BaseModal>
+</template>
+
+<script setup>
+import { ref, computed } from 'vue'
+import moment from 'moment'
+import { useRouter } from 'vue-router'
+import { useModalStore } from '@/scripts/stores/modal'
+import { useExpenseStore } from '@/scripts/admin/stores/expense'
+
+const modalStore = useModalStore()
+const expenseStore = useExpenseStore()
+const router = useRouter()
+
+const selectedExpenseDate = ref('')
+const isDuplicating = ref(false)
+const initialFocusRef = ref(null)
+
+const modalActive = computed(
+  () => modalStore.active && modalStore.componentName === 'DuplicateExpenseModal'
+)
+
+function toYmd(value) {
+  if (!value) {
+    return moment().format('YYYY-MM-DD')
+  }
+
+  const str = String(value)
+
+  if (str.length >= 10 && /^\d{4}-\d{2}-\d{2}/.test(str)) {
+    return str.slice(0, 10)
+  }
+
+  return moment(value).format('YYYY-MM-DD')
+}
+
+function onModalOpen() {
+  selectedExpenseDate.value = toYmd(modalStore.data?.expense_date)
+}
+
+async function submitDuplicate() {
+  if (!modalStore.data?.id || !selectedExpenseDate.value) {
+    return
+  }
+
+  isDuplicating.value = true
+
+  try {
+    await expenseStore.duplicateExpense({
+      id: modalStore.data.id,
+      expense_date: selectedExpenseDate.value,
+    })
+
+    modalStore.refreshData && modalStore.refreshData()
+    closeModal()
+    router.push('/admin/expenses')
+  } finally {
+    isDuplicating.value = false
+  }
+}
+
+function closeModal() {
+  modalStore.closeModal()
+  selectedExpenseDate.value = ''
+}
+</script>
diff --git a/resources/scripts/admin/stores/expense.js b/resources/scripts/admin/stores/expense.js
index 024e5459..dba84cdd 100644
--- a/resources/scripts/admin/stores/expense.js
+++ b/resources/scripts/admin/stores/expense.js
@@ -91,6 +91,27 @@ export const useExpenseStore = (useWindow = false) => {
         })
       },
 
+      duplicateExpense({ id, expense_date }) {
+        return new Promise((resolve, reject) => {
+          http
+            .post(`/api/v1/expenses/${id}/duplicate`, { expense_date })
+            .then((response) => {
+              const notificationStore = useNotificationStore()
+
+              notificationStore.showNotification({
+                type: 'success',
+                message: global.t('expenses.duplicated_message'),
+              })
+
+              resolve(response)
+            })
+            .catch((err) => {
+              handleError(err)
+              reject(err)
+            })
+        })
+      },
+
       addExpense(data) {
         const formData = utils.toFormData(data)
 
diff --git a/resources/scripts/admin/views/expenses/Index.vue b/resources/scripts/admin/views/expenses/Index.vue
index 2dc1b4f1..0f080ed9 100644
--- a/resources/scripts/admin/views/expenses/Index.vue
+++ b/resources/scripts/admin/views/expenses/Index.vue
@@ -1,5 +1,7 @@
 <template>
   <BasePage>
+    <DuplicateExpenseModal />
+
     <!-- Page Header -->
     <BasePageHeader :title="$t('expenses.title')">
       <BaseBreadcrumb>
@@ -231,6 +233,7 @@ import { useUserStore } from '@/scripts/admin/stores/user'
 import abilities from '@/scripts/admin/stub/abilities'
 
 import UFOIcon from '@/scripts/components/icons/empty/UFOIcon.vue'
+import DuplicateExpenseModal from '@/scripts/admin/components/modal-components/DuplicateExpenseModal.vue'
 import ExpenseDropdown from '@/scripts/admin/components/dropdowns/ExpenseIndexDropdown.vue'
 
 const companyStore = useCompanyStore()
diff --git a/resources/scripts/components/base/BaseModal.vue b/resources/scripts/components/base/BaseModal.vue
index 2d0c85d2..3c2ade36 100644
--- a/resources/scripts/components/base/BaseModal.vue
+++ b/resources/scripts/components/base/BaseModal.vue
@@ -6,6 +6,7 @@
         static
         class="fixed inset-0 z-20 overflow-y-auto"
         :open="show"
+        :initial-focus="initialFocus"
         @close="$emit('close')"
       >
         <div
@@ -106,6 +107,14 @@ const props = defineProps({
     type: Boolean,
     default: false,
   },
+  /**
+   * Optional ref (template ref) for the element that should receive focus when the dialog opens.
+   * When omitted, Headless UI focuses the first focusable control (often an input).
+   */
+  initialFocus: {
+    type: Object,
+    default: null,
+  },
 })
 const slots = useSlots()
 
diff --git a/routes/api.php b/routes/api.php
index da639a33..761cd4e0 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -23,6 +23,7 @@ use App\Http\Controllers\V1\Admin\ExchangeRate\GetActiveProviderController;
 use App\Http\Controllers\V1\Admin\ExchangeRate\GetExchangeRateController;
 use App\Http\Controllers\V1\Admin\ExchangeRate\GetSupportedCurrenciesController;
 use App\Http\Controllers\V1\Admin\ExchangeRate\GetUsedCurrenciesController;
+use App\Http\Controllers\V1\Admin\Expense\DuplicateExpenseController;
 use App\Http\Controllers\V1\Admin\Expense\ExpenseCategoriesController;
 use App\Http\Controllers\V1\Admin\Expense\ExpensesController;
 use App\Http\Controllers\V1\Admin\Expense\ShowReceiptController;
@@ -312,6 +313,8 @@ Route::prefix('/v1')->group(function () {
 
             Route::post('/expenses/delete', [ExpensesController::class, 'delete']);
 
+            Route::post('/expenses/{expense}/duplicate', DuplicateExpenseController::class);
+
             Route::apiResource('expenses', ExpensesController::class);
 
             Route::apiResource('categories', ExpenseCategoriesController::class);
diff --git a/tests/Feature/Admin/ExpenseTest.php b/tests/Feature/Admin/ExpenseTest.php
index 4267a153..e4c10528 100644
--- a/tests/Feature/Admin/ExpenseTest.php
+++ b/tests/Feature/Admin/ExpenseTest.php
@@ -1,6 +1,8 @@
 <?php
 
+use App\Http\Controllers\V1\Admin\Expense\DuplicateExpenseController;
 use App\Http\Controllers\V1\Admin\Expense\ExpensesController;
+use App\Http\Requests\DuplicateExpenseRequest;
 use App\Http\Requests\ExpenseRequest;
 use App\Models\Expense;
 use App\Models\User;
@@ -114,6 +116,79 @@ test('search expenses', function () {
     $response->assertOk();
 });
 
+test('duplicate expense', function () {
+    $expense = Expense::factory()->create([
+        'expense_date' => '2019-02-05',
+        'notes' => 'Monthly rent',
+    ]);
+
+    $response = postJson("api/v1/expenses/{$expense->id}/duplicate", [
+        'expense_date' => '2019-02-05',
+    ]);
+
+    $response->assertStatus(201);
+
+    $newId = $response->json('data.id');
+
+    expect($newId)->not->toBe($expense->id);
+
+    $this->assertDatabaseHas('expenses', [
+        'id' => $newId,
+        'expense_date' => '2019-02-05',
+        'notes' => 'Monthly rent (copy)',
+        'expense_category_id' => $expense->expense_category_id,
+        'amount' => $expense->amount,
+    ]);
+});
+
+test('duplicate expense with empty note uses copy as note', function () {
+    $expense = Expense::factory()->create([
+        'expense_date' => '2019-02-05',
+        'notes' => null,
+    ]);
+
+    postJson("api/v1/expenses/{$expense->id}/duplicate", [
+        'expense_date' => '2019-02-05',
+    ])
+        ->assertStatus(201)
+        ->assertJsonPath('data.notes', '(copy)');
+});
+
+test('duplicate expense uses submitted expense date', function () {
+    $expense = Expense::factory()->create([
+        'expense_date' => '2019-02-05',
+    ]);
+
+    $response = postJson("api/v1/expenses/{$expense->id}/duplicate", [
+        'expense_date' => '2024-03-10',
+    ]);
+
+    $response->assertStatus(201);
+
+    $this->assertDatabaseHas('expenses', [
+        'id' => $response->json('data.id'),
+        'expense_date' => '2024-03-10',
+    ]);
+});
+
+test('duplicate expense requires expense date', function () {
+    $expense = Expense::factory()->create([
+        'expense_date' => '2019-02-05',
+    ]);
+
+    postJson("api/v1/expenses/{$expense->id}/duplicate", [])
+        ->assertUnprocessable()
+        ->assertJsonValidationErrors(['expense_date']);
+});
+
+test('duplicate validates using a form request', function () {
+    $this->assertActionUsesFormRequest(
+        DuplicateExpenseController::class,
+        '__invoke',
+        DuplicateExpenseRequest::class
+    );
+});
+
 test('delete multiple expenses', function () {
     $expenses = Expense::factory()->count(3)->create([
         'expense_date' => '2019-02-05',