diff --git a/apps/client/src/app/pages/portfolio/budget/budget-page.component.spec.ts b/apps/client/src/app/pages/portfolio/budget/budget-page.component.spec.ts
index 40b52d799..be6472c48 100644
--- a/apps/client/src/app/pages/portfolio/budget/budget-page.component.spec.ts
+++ b/apps/client/src/app/pages/portfolio/budget/budget-page.component.spec.ts
@@ -2,6 +2,7 @@ import { DataService } from '@ghostfolio/ui/services';
 
 import { provideHttpClient } from '@angular/common/http';
 import { ComponentFixture, TestBed } from '@angular/core/testing';
+import { MatDialog } from '@angular/material/dialog';
 import { NoopAnimationsModule } from '@angular/platform-browser/animations';
 import { of } from 'rxjs';
 
@@ -45,11 +46,15 @@ const {
 const { GfBudgetPageComponent } = require('./budget-page.component');
 
 describe('GfBudgetPageComponent', () => {
-  let dataService: jest.Mocked<Pick<DataService, 'fetchBudgets'>>;
+  let dataService: jest.Mocked<
+    Pick<DataService, 'deleteBudget' | 'fetchBudgets'>
+  >;
+  let dialog: jest.Mocked<Pick<MatDialog, 'open'>>;
   let fixture: ComponentFixture<GfBudgetPageComponent>;
 
   beforeEach(async () => {
     dataService = {
+      deleteBudget: jest.fn().mockReturnValue(of(undefined)),
       fetchBudgets: jest.fn().mockReturnValue(
         of({
           budgets: [
@@ -75,6 +80,11 @@ describe('GfBudgetPageComponent', () => {
         })
       )
     };
+    dialog = {
+      open: jest.fn().mockReturnValue({
+        afterClosed: () => of({ refresh: true })
+      })
+    };
 
     await TestBed.configureTestingModule({
       imports: [GfBudgetPageComponent, NoopAnimationsModule],
@@ -84,6 +94,10 @@ describe('GfBudgetPageComponent', () => {
           provide: DataService,
           useValue: dataService
         },
+        {
+          provide: MatDialog,
+          useValue: dialog
+        },
         {
           provide: UserService,
           useValue: {
@@ -114,4 +128,24 @@ describe('GfBudgetPageComponent', () => {
     expect(fixture.nativeElement.textContent).toContain('Budget');
     expect(fixture.nativeElement.textContent).toContain('Food');
   });
+
+  it('reloads budgets after creating a budget', async () => {
+    await fixture.whenStable();
+
+    fixture.componentInstance.onCreateBudget();
+    await fixture.whenStable();
+
+    expect(dialog.open).toHaveBeenCalled();
+    expect(dataService.fetchBudgets).toHaveBeenCalledTimes(2);
+  });
+
+  it('deletes a budget and reloads the month', async () => {
+    await fixture.whenStable();
+
+    fixture.componentInstance.onDeleteBudget('budget-1');
+    await fixture.whenStable();
+
+    expect(dataService.deleteBudget).toHaveBeenCalledWith('budget-1');
+    expect(dataService.fetchBudgets).toHaveBeenCalledTimes(2);
+  });
 });
diff --git a/apps/client/src/app/pages/portfolio/budget/budget-page.component.ts b/apps/client/src/app/pages/portfolio/budget/budget-page.component.ts
index 4e38c6b02..b46a64255 100644
--- a/apps/client/src/app/pages/portfolio/budget/budget-page.component.ts
+++ b/apps/client/src/app/pages/portfolio/budget/budget-page.component.ts
@@ -12,15 +12,22 @@ import {
 } from '@angular/core';
 import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
 import { FormControl, ReactiveFormsModule } from '@angular/forms';
+import { MatButtonModule } from '@angular/material/button';
+import { MatDialog } from '@angular/material/dialog';
+import { MatIconModule } from '@angular/material/icon';
 import { MatProgressBarModule } from '@angular/material/progress-bar';
 import { MatTableDataSource, MatTableModule } from '@angular/material/table';
 import { format } from 'date-fns';
 
+import { GfCreateOrUpdateBudgetDialogComponent } from './create-or-update-budget-dialog/create-or-update-budget-dialog.component';
+
 @Component({
   host: { class: 'page' },
   imports: [
     CommonModule,
     GfValueComponent,
+    MatButtonModule,
+    MatIconModule,
     MatProgressBarModule,
     MatTableModule,
     ReactiveFormsModule
@@ -36,7 +43,8 @@ export class GfBudgetPageComponent implements OnInit {
     'amount',
     'spent',
     'remaining',
-    'progress'
+    'progress',
+    'actions'
   ];
   public isLoading = true;
   public monthControl = new FormControl(format(new Date(), 'yyyy-MM'), {
@@ -51,6 +59,7 @@ export class GfBudgetPageComponent implements OnInit {
     private changeDetectorRef: ChangeDetectorRef,
     private dataService: DataService,
     private destroyRef: DestroyRef,
+    private dialog: MatDialog,
     private userService: UserService
   ) {}
 
@@ -96,4 +105,41 @@ export class GfBudgetPageComponent implements OnInit {
 
     return Math.min((spent / amount) * 100, 100);
   }
+
+  public onCreateBudget() {
+    this.openBudgetDialog({
+      month: this.monthControl.value
+    });
+  }
+
+  public onDeleteBudget(id: string) {
+    this.dataService
+      .deleteBudget(id)
+      .pipe(takeUntilDestroyed(this.destroyRef))
+      .subscribe(() => {
+        this.fetchBudgets();
+      });
+  }
+
+  public onUpdateBudget(budget: BudgetResponse) {
+    this.openBudgetDialog({
+      budget,
+      month: this.monthControl.value
+    });
+  }
+
+  private openBudgetDialog(data: { budget?: BudgetResponse; month: string }) {
+    this.dialog
+      .open(GfCreateOrUpdateBudgetDialogComponent, {
+        data,
+        width: '32rem'
+      })
+      .afterClosed()
+      .pipe(takeUntilDestroyed(this.destroyRef))
+      .subscribe((result) => {
+        if (result?.refresh) {
+          this.fetchBudgets();
+        }
+      });
+  }
 }
diff --git a/apps/client/src/app/pages/portfolio/budget/budget-page.html b/apps/client/src/app/pages/portfolio/budget/budget-page.html
index 5af1afeff..4e303f5b1 100644
--- a/apps/client/src/app/pages/portfolio/budget/budget-page.html
+++ b/apps/client/src/app/pages/portfolio/budget/budget-page.html
@@ -104,6 +104,28 @@
             </td>
           </ng-container>
 
+          <ng-container matColumnDef="actions">
+            <th *matHeaderCellDef class="text-right" mat-header-cell></th>
+            <td *matCellDef="let budget" class="text-right" mat-cell>
+              <button
+                mat-icon-button
+                type="button"
+                [attr.aria-label]="'Edit budget'"
+                (click)="onUpdateBudget(budget)"
+              >
+                <mat-icon>edit</mat-icon>
+              </button>
+              <button
+                mat-icon-button
+                type="button"
+                [attr.aria-label]="'Delete budget'"
+                (click)="onDeleteBudget(budget.id)"
+              >
+                <mat-icon>delete</mat-icon>
+              </button>
+            </td>
+          </ng-container>
+
           <tr *matHeaderRowDef="displayedColumns" mat-header-row></tr>
           <tr *matRowDef="let row; columns: displayedColumns" mat-row></tr>
         </table>
@@ -112,6 +134,17 @@
           No budgets have been created for this month.
         </div>
       }
+
+      <button
+        class="mt-3"
+        color="primary"
+        i18n
+        mat-flat-button
+        type="button"
+        (click)="onCreateBudget()"
+      >
+        Create budget
+      </button>
     </div>
   </div>
 </div>
diff --git a/apps/client/src/app/pages/portfolio/budget/create-or-update-budget-dialog/create-or-update-budget-dialog.component.spec.ts b/apps/client/src/app/pages/portfolio/budget/create-or-update-budget-dialog/create-or-update-budget-dialog.component.spec.ts
new file mode 100644
index 000000000..cec54d4f1
--- /dev/null
+++ b/apps/client/src/app/pages/portfolio/budget/create-or-update-budget-dialog/create-or-update-budget-dialog.component.spec.ts
@@ -0,0 +1,90 @@
+import { DataService } from '@ghostfolio/ui/services';
+
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
+import { NoopAnimationsModule } from '@angular/platform-browser/animations';
+import { of } from 'rxjs';
+
+import { GfCreateOrUpdateBudgetDialogComponent } from './create-or-update-budget-dialog.component';
+
+describe('GfCreateOrUpdateBudgetDialogComponent', () => {
+  let component: GfCreateOrUpdateBudgetDialogComponent;
+  let dataService: jest.Mocked<
+    Pick<DataService, 'createBudget' | 'updateBudget'>
+  >;
+  let dialogRef: jest.Mocked<
+    Pick<MatDialogRef<GfCreateOrUpdateBudgetDialogComponent>, 'close'>
+  >;
+  let fixture: ComponentFixture<GfCreateOrUpdateBudgetDialogComponent>;
+
+  beforeEach(async () => {
+    dataService = {
+      createBudget: jest.fn().mockReturnValue(
+        of({
+          amount: 500,
+          categoryId: 'food',
+          id: 'budget-1',
+          month: '2026-06',
+          remaining: 500,
+          spent: 0
+        })
+      ),
+      updateBudget: jest.fn().mockReturnValue(
+        of({
+          amount: 650,
+          categoryId: 'food',
+          id: 'budget-1',
+          month: '2026-06',
+          remaining: 650,
+          spent: 0
+        })
+      )
+    };
+    dialogRef = {
+      close: jest.fn()
+    };
+
+    await TestBed.configureTestingModule({
+      imports: [GfCreateOrUpdateBudgetDialogComponent, NoopAnimationsModule],
+      providers: [
+        {
+          provide: DataService,
+          useValue: dataService
+        },
+        {
+          provide: MatDialogRef,
+          useValue: dialogRef
+        },
+        {
+          provide: MAT_DIALOG_DATA,
+          useValue: {
+            budget: undefined,
+            month: '2026-06'
+          }
+        }
+      ]
+    }).compileComponents();
+
+    fixture = TestBed.createComponent(GfCreateOrUpdateBudgetDialogComponent);
+    component = fixture.componentInstance;
+    fixture.autoDetectChanges();
+  });
+
+  it('creates a budget and closes with refresh', async () => {
+    component.budgetForm.setValue({
+      amount: 500,
+      categoryId: 'food',
+      month: '2026-06'
+    });
+
+    component.onSubmit();
+    await fixture.whenStable();
+
+    expect(dataService.createBudget).toHaveBeenCalledWith({
+      amount: 500,
+      categoryId: 'food',
+      month: '2026-06'
+    });
+    expect(dialogRef.close).toHaveBeenCalledWith({ refresh: true });
+  });
+});
diff --git a/apps/client/src/app/pages/portfolio/budget/create-or-update-budget-dialog/create-or-update-budget-dialog.component.ts b/apps/client/src/app/pages/portfolio/budget/create-or-update-budget-dialog/create-or-update-budget-dialog.component.ts
new file mode 100644
index 000000000..b583f0286
--- /dev/null
+++ b/apps/client/src/app/pages/portfolio/budget/create-or-update-budget-dialog/create-or-update-budget-dialog.component.ts
@@ -0,0 +1,93 @@
+import { CreateBudgetDto, UpdateBudgetDto } from '@ghostfolio/common/dtos';
+import { BudgetResponse } from '@ghostfolio/common/interfaces';
+import { DataService } from '@ghostfolio/ui/services';
+
+import { CommonModule } from '@angular/common';
+import { Component, Inject } from '@angular/core';
+import {
+  FormControl,
+  FormGroup,
+  ReactiveFormsModule,
+  Validators
+} from '@angular/forms';
+import { MatButtonModule } from '@angular/material/button';
+import {
+  MAT_DIALOG_DATA,
+  MatDialogModule,
+  MatDialogRef
+} from '@angular/material/dialog';
+import { MatFormFieldModule } from '@angular/material/form-field';
+import { MatInputModule } from '@angular/material/input';
+
+export interface CreateOrUpdateBudgetDialogData {
+  budget?: BudgetResponse;
+  month: string;
+}
+
+@Component({
+  imports: [
+    CommonModule,
+    MatButtonModule,
+    MatDialogModule,
+    MatFormFieldModule,
+    MatInputModule,
+    ReactiveFormsModule
+  ],
+  selector: 'gf-create-or-update-budget-dialog',
+  styleUrls: ['./create-or-update-budget-dialog.scss'],
+  templateUrl: './create-or-update-budget-dialog.html'
+})
+export class GfCreateOrUpdateBudgetDialogComponent {
+  public budgetForm = new FormGroup({
+    amount: new FormControl<number>(this.data.budget?.amount ?? 0, {
+      nonNullable: true,
+      validators: [Validators.required, Validators.min(0.01)]
+    }),
+    categoryId: new FormControl<string>(this.data.budget?.categoryId ?? '', {
+      nonNullable: true,
+      validators: [Validators.required]
+    }),
+    month: new FormControl<string>(this.data.budget?.month ?? this.data.month, {
+      nonNullable: true,
+      validators: [Validators.required]
+    })
+  });
+
+  public constructor(
+    @Inject(MAT_DIALOG_DATA) public data: CreateOrUpdateBudgetDialogData,
+    private dataService: DataService,
+    private dialogRef: MatDialogRef<GfCreateOrUpdateBudgetDialogComponent>
+  ) {}
+
+  public onSubmit() {
+    if (this.budgetForm.invalid) {
+      this.budgetForm.markAllAsTouched();
+      return;
+    }
+
+    const budget = this.budgetForm.getRawValue();
+
+    if (this.data.budget) {
+      this.updateBudget(budget);
+    } else {
+      this.createBudget(budget);
+    }
+  }
+
+  private createBudget(budget: CreateBudgetDto) {
+    this.dataService.createBudget(budget).subscribe(() => {
+      this.dialogRef.close({ refresh: true });
+    });
+  }
+
+  private updateBudget(budget: UpdateBudgetDto) {
+    this.dataService
+      .updateBudget({
+        budget,
+        id: this.data.budget.id
+      })
+      .subscribe(() => {
+        this.dialogRef.close({ refresh: true });
+      });
+  }
+}
diff --git a/apps/client/src/app/pages/portfolio/budget/create-or-update-budget-dialog/create-or-update-budget-dialog.html b/apps/client/src/app/pages/portfolio/budget/create-or-update-budget-dialog/create-or-update-budget-dialog.html
new file mode 100644
index 000000000..c525b0fc4
--- /dev/null
+++ b/apps/client/src/app/pages/portfolio/budget/create-or-update-budget-dialog/create-or-update-budget-dialog.html
@@ -0,0 +1,45 @@
+<h2 mat-dialog-title>
+  @if (data.budget) {
+    <ng-container i18n>Edit budget</ng-container>
+  } @else {
+    <ng-container i18n>Create budget</ng-container>
+  }
+</h2>
+
+<form [formGroup]="budgetForm" (ngSubmit)="onSubmit()">
+  <mat-dialog-content class="budget-dialog-content">
+    <mat-form-field appearance="outline">
+      <mat-label i18n>Month</mat-label>
+      <input formControlName="month" matInput type="month" />
+    </mat-form-field>
+
+    <mat-form-field appearance="outline">
+      <mat-label i18n>Category id</mat-label>
+      <input formControlName="categoryId" matInput />
+    </mat-form-field>
+
+    <mat-form-field appearance="outline">
+      <mat-label i18n>Amount</mat-label>
+      <input
+        formControlName="amount"
+        matInput
+        min="0.01"
+        step="0.01"
+        type="number"
+      />
+    </mat-form-field>
+  </mat-dialog-content>
+
+  <mat-dialog-actions align="end">
+    <button i18n mat-button mat-dialog-close type="button">Cancel</button>
+    <button
+      color="primary"
+      i18n
+      mat-flat-button
+      type="submit"
+      [disabled]="budgetForm.invalid"
+    >
+      Save
+    </button>
+  </mat-dialog-actions>
+</form>
diff --git a/apps/client/src/app/pages/portfolio/budget/create-or-update-budget-dialog/create-or-update-budget-dialog.scss b/apps/client/src/app/pages/portfolio/budget/create-or-update-budget-dialog/create-or-update-budget-dialog.scss
new file mode 100644
index 000000000..fb8c36d47
--- /dev/null
+++ b/apps/client/src/app/pages/portfolio/budget/create-or-update-budget-dialog/create-or-update-budget-dialog.scss
@@ -0,0 +1,5 @@
+.budget-dialog-content {
+  display: grid;
+  gap: 0.5rem;
+  min-width: min(26rem, 80vw);
+}