diff --git a/src/app/clients/clients-view/client-actions/activate-client/activate-client.component.spec.ts b/src/app/clients/clients-view/client-actions/activate-client/activate-client.component.spec.ts
new file mode 100644
index 000000000..870a6685a
--- /dev/null
+++ b/src/app/clients/clients-view/client-actions/activate-client/activate-client.component.spec.ts
@@ -0,0 +1,281 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+import { ActivatedRoute, Router } from '@angular/router';
+import { of, BehaviorSubject } from 'rxjs';
+import { ActivateClientComponent } from './activate-client.component';
+import { ClientsService } from 'app/clients/clients.service';
+import { SettingsService } from 'app/settings/settings.service';
+import { Dates } from 'app/core/utils/dates';
+import { TranslateModule } from '@ngx-translate/core';
+import { provideNativeDateAdapter } from '@angular/material/core';
+
+import { describe, it, expect, jest, beforeEach } from '@jest/globals';
+import { provideAnimationsAsync } from '@angular/platform-browser/animations/async';
+
+describe('ActivateClientComponent - Unit Tests', () => {
+  let component: ActivateClientComponent;
+  let fixture: ComponentFixture<ActivateClientComponent>;
+  let mockRouter: jest.Mocked<Router>;
+  let mockClientsService: jest.Mocked<ClientsService>;
+  let mockSettingsService: jest.Mocked<SettingsService>;
+  let mockDates: jest.Mocked<Dates>;
+
+  const mockClientId = '123';
+  const mockBusinessDate = new Date(2026, 0, 15);
+
+  beforeEach(async () => {
+    mockRouter = {
+      navigate: jest.fn()
+    } as any;
+
+    mockClientsService = {
+      executeClientCommand: jest.fn(() => of({ resourceId: 123 }))
+    } as unknown as jest.Mocked<ClientsService>;
+
+    mockSettingsService = {
+      language: { code: 'en' },
+      dateFormat: 'dd MMMM yyyy',
+      businessDate: mockBusinessDate
+    } as unknown as jest.Mocked<SettingsService>;
+
+    mockDates = {
+      formatDate: jest.fn((date: Date, format: string) => '15 January 2026')
+    } as unknown as jest.Mocked<Dates>;
+
+    await TestBed.configureTestingModule({
+      imports: [
+        ActivateClientComponent,
+        TranslateModule.forRoot()
+      ],
+      providers: [
+        { provide: Router, useValue: mockRouter },
+        {
+          provide: ActivatedRoute,
+          useValue: {
+            parent: {
+              snapshot: {
+                params: { clientId: mockClientId }
+              }
+            }
+          }
+        },
+        { provide: ClientsService, useValue: mockClientsService },
+        { provide: SettingsService, useValue: mockSettingsService },
+        { provide: Dates, useValue: mockDates },
+        provideNativeDateAdapter(),
+        provideAnimationsAsync()
+      ]
+    }).compileComponents();
+
+    fixture = TestBed.createComponent(ActivateClientComponent);
+    component = fixture.componentInstance;
+  });
+
+  describe('Component Initialization', () => {
+    it('should create the component', () => {
+      expect(component).toBeTruthy();
+    });
+
+    it('should extract clientId from parent route params', () => {
+      expect(component.clientId).toBe(mockClientId);
+    });
+
+    it('should initialize minDate to January 1, 2000', () => {
+      expect(component.minDate).toEqual(new Date(2000, 0, 1));
+    });
+
+    it('should set maxDate from settings business date on init', () => {
+      fixture.detectChanges();
+      expect(component.maxDate).toEqual(mockBusinessDate);
+    });
+  });
+
+  describe('Form Creation', () => {
+    beforeEach(() => {
+      fixture.detectChanges();
+    });
+
+    it('should create activateClientForm', () => {
+      expect(component.activateClientForm).toBeDefined();
+    });
+
+    it('should have activationDate control', () => {
+      expect(component.activateClientForm.get('activationDate')).toBeDefined();
+    });
+
+    it('should require activationDate field', () => {
+      const activationDateControl = component.activateClientForm.get('activationDate');
+      activationDateControl?.setValue('');
+      expect(activationDateControl?.valid).toBe(false);
+      expect(activationDateControl?.errors?.['required']).toBeTruthy();
+    });
+
+    it('should be valid when activationDate is provided', () => {
+      const activationDateControl = component.activateClientForm.get('activationDate');
+      activationDateControl?.setValue(new Date(2026, 0, 10));
+      expect(activationDateControl?.valid).toBe(true);
+    });
+
+    it('should initialize with empty activationDate', () => {
+      const activationDateControl = component.activateClientForm.get('activationDate');
+      expect(activationDateControl?.value).toBe('');
+    });
+  });
+
+  describe('Submit Functionality', () => {
+    beforeEach(() => {
+      fixture.detectChanges();
+    });
+
+    it('should call executeClientCommand with activate command', () => {
+      const testDate = new Date(2026, 0, 10);
+      component.activateClientForm.patchValue({ activationDate: testDate });
+
+      component.submit();
+
+      expect(mockClientsService.executeClientCommand).toHaveBeenCalledWith(
+        mockClientId,
+        'activate',
+        expect.objectContaining({
+          activationDate: '15 January 2026',
+          dateFormat: 'dd MMMM yyyy',
+          locale: 'en'
+        })
+      );
+    });
+
+    it('should format date using Dates service when activationDate is Date object', () => {
+      const testDate = new Date(2026, 0, 10);
+      component.activateClientForm.patchValue({ activationDate: testDate });
+
+      component.submit();
+
+      expect(mockDates.formatDate).toHaveBeenCalledWith(testDate, 'dd MMMM yyyy');
+    });
+
+    it('should include locale from settings service', () => {
+      component.activateClientForm.patchValue({ activationDate: new Date() });
+
+      component.submit();
+
+      expect(mockClientsService.executeClientCommand).toHaveBeenCalledWith(
+        expect.anything(),
+        expect.anything(),
+        expect.objectContaining({ locale: 'en' })
+      );
+    });
+
+    it('should include dateFormat from settings service', () => {
+      component.activateClientForm.patchValue({ activationDate: new Date() });
+
+      component.submit();
+
+      expect(mockClientsService.executeClientCommand).toHaveBeenCalledWith(
+        expect.anything(),
+        expect.anything(),
+        expect.objectContaining({ dateFormat: 'dd MMMM yyyy' })
+      );
+    });
+
+    it('should not format date if activationDate is not a Date object', () => {
+      component.activateClientForm.patchValue({ activationDate: '10 January 2026' });
+
+      component.submit();
+
+      expect(mockDates.formatDate).not.toHaveBeenCalled();
+      expect(mockClientsService.executeClientCommand).toHaveBeenCalledWith(
+        expect.anything(),
+        expect.anything(),
+        expect.objectContaining({ activationDate: '10 January 2026' })
+      );
+    });
+  });
+
+  describe('Navigation', () => {
+    beforeEach(() => {
+      fixture.detectChanges();
+    });
+
+    it('should navigate to parent route after successful activation', () => {
+      const mockActivatedRoute = TestBed.inject(ActivatedRoute);
+      component.activateClientForm.patchValue({ activationDate: new Date() });
+
+      component.submit();
+
+      expect(mockRouter.navigate).toHaveBeenCalledWith(['../../'], { relativeTo: mockActivatedRoute });
+    });
+  });
+
+  describe('Date Constraints', () => {
+    it('should have minDate set to year 2000', () => {
+      expect(component.minDate.getFullYear()).toBe(2000);
+      expect(component.minDate.getMonth()).toBe(0);
+      expect(component.minDate.getDate()).toBe(1);
+    });
+
+    it('should set maxDate from settings service businessDate on init', () => {
+      fixture.detectChanges();
+      expect(component.maxDate).toEqual(mockBusinessDate);
+    });
+  });
+
+  describe('Edge Cases', () => {
+    beforeEach(() => {
+      fixture.detectChanges();
+    });
+
+    it('should handle form with Date object activationDate', () => {
+      const testDate = new Date(2026, 0, 15);
+      component.activateClientForm.patchValue({ activationDate: testDate });
+
+      expect(() => component.submit()).not.toThrow();
+      expect(mockClientsService.executeClientCommand).toHaveBeenCalled();
+    });
+
+    it('should handle form with string activationDate', () => {
+      component.activateClientForm.patchValue({ activationDate: '15 January 2026' });
+
+      expect(() => component.submit()).not.toThrow();
+      expect(mockClientsService.executeClientCommand).toHaveBeenCalled();
+    });
+
+    it('should use correct clientId for service call', () => {
+      component.activateClientForm.patchValue({ activationDate: new Date() });
+
+      component.submit();
+
+      expect(mockClientsService.executeClientCommand).toHaveBeenCalledWith('123', expect.anything(), expect.anything());
+    });
+  });
+
+  describe('Integration Flow', () => {
+    it('should complete full activation workflow', () => {
+      // 1. Component initializes
+      fixture.detectChanges();
+      expect(component).toBeTruthy();
+      expect(component.activateClientForm).toBeDefined();
+
+      // 2. User fills activation date
+      const activationDate = new Date(2026, 0, 10);
+      component.activateClientForm.patchValue({ activationDate });
+
+      // 3. Form is valid
+      expect(component.activateClientForm.valid).toBe(true);
+
+      // 4. User submits
+      component.submit();
+
+      // 5. Service is called with correct params
+      expect(mockClientsService.executeClientCommand).toHaveBeenCalledWith(
+        '123',
+        'activate',
+        expect.objectContaining({
+          dateFormat: 'dd MMMM yyyy',
+          locale: 'en'
+        })
+      );
+
+      // 6. Navigation occurs
+      expect(mockRouter.navigate).toHaveBeenCalled();
+    });
+  });
+});