diff --git a/src/app/access-control/group-registry/groups-registry.component.html b/src/app/access-control/group-registry/groups-registry.component.html
index 510a156476..2c6c2590e2 100644
--- a/src/app/access-control/group-registry/groups-registry.component.html
+++ b/src/app/access-control/group-registry/groups-registry.component.html
@@ -85,7 +85,7 @@
                         }
                         @if (!groupDto.group?.permanent && groupDto.ableToDelete) {
                           <button
-                            (click)="deleteGroup(groupDto)" class="btn btn-outline-danger btn-sm btn-delete"
+                            (click)="confirmDelete(groupDto)" class="btn btn-outline-danger btn-sm btn-delete"
                             title="{{messagePrefix + 'table.edit.buttons.remove' | translate: {name: dsoNameService.getName(groupDto.group) } }}">
                             <i class="fas fa-trash-alt fa-fw"></i>
                           </button>
diff --git a/src/app/access-control/group-registry/groups-registry.component.spec.ts b/src/app/access-control/group-registry/groups-registry.component.spec.ts
index 81af022055..673d650723 100644
--- a/src/app/access-control/group-registry/groups-registry.component.spec.ts
+++ b/src/app/access-control/group-registry/groups-registry.component.spec.ts
@@ -381,6 +381,8 @@ describe('GroupsRegistryComponent', () => {
       deleteButton.click();
       fixture.detectChanges();
 
+      (document as any).querySelector('.modal-footer .confirm').click();
+
       expect(groupsDataServiceStub.delete).toHaveBeenCalledWith(mockGroups[0].id);
     });
   });
diff --git a/src/app/access-control/group-registry/groups-registry.component.ts b/src/app/access-control/group-registry/groups-registry.component.ts
index 9a7924f210..e846c5bbb9 100644
--- a/src/app/access-control/group-registry/groups-registry.component.ts
+++ b/src/app/access-control/group-registry/groups-registry.component.ts
@@ -9,7 +9,10 @@ import {
   UntypedFormBuilder,
 } from '@angular/forms';
 import { RouterLink } from '@angular/router';
-import { NgbTooltipModule } from '@ng-bootstrap/ng-bootstrap';
+import {
+  NgbModal,
+  NgbTooltipModule,
+} from '@ng-bootstrap/ng-bootstrap';
 import {
   TranslateModule,
   TranslateService,
@@ -27,6 +30,7 @@ import {
   defaultIfEmpty,
   map,
   switchMap,
+  takeUntil,
   tap,
 } from 'rxjs/operators';
 
@@ -57,6 +61,7 @@ import {
 } from '../../core/shared/operators';
 import { PageInfo } from '../../core/shared/page-info.model';
 import { BtnDisabledDirective } from '../../shared/btn-disabled.directive';
+import { ConfirmationModalComponent } from '../../shared/confirmation-modal/confirmation-modal.component';
 import { hasValue } from '../../shared/empty.util';
 import { ThemedLoadingComponent } from '../../shared/loading/themed-loading.component';
 import { NotificationsService } from '../../shared/notifications/notifications.service';
@@ -142,6 +147,7 @@ export class GroupsRegistryComponent implements OnInit, OnDestroy {
               private paginationService: PaginationService,
               public requestService: RequestService,
               public dsoNameService: DSONameService,
+              private modalService: NgbModal,
   ) {
     this.currentSearchQuery = '';
     this.searchForm = this.formBuilder.group(({
@@ -314,4 +320,30 @@ export class GroupsRegistryComponent implements OnInit, OnDestroy {
     this.paginationService.clearPagination(this.config.id);
   }
 
+  confirmDelete(group: GroupDtoModel): void {
+    const modalRef = this.modalService.open(ConfirmationModalComponent);
+    modalRef.componentInstance.name = this.dsoNameService.getName(group.group);
+    modalRef.componentInstance.headerLabel = 'admin.access-control.epeople.table.edit.buttons.remove.modal.header';
+    modalRef.componentInstance.infoLabel = 'admin.access-control.epeople.table.edit.buttons.remove.modal.info';
+    modalRef.componentInstance.cancelLabel = 'admin.access-control.epeople.table.edit.buttons.remove.modal.cancel';
+    modalRef.componentInstance.confirmLabel = 'admin.access-control.epeople.table.edit.buttons.remove.modal.confirm';
+    modalRef.componentInstance.brandColor = 'danger';
+    modalRef.componentInstance.confirmIcon = 'fas fa-trash';
+
+    const modalSub: Subscription = modalRef.componentInstance.response.pipe(
+      takeUntil(modalRef.closed),
+    ).subscribe((result: boolean) => {
+      if (result === true) {
+        this.deleteGroup(group);
+      }
+    });
+
+    void modalRef.result.then().finally(() => {
+      modalRef.close();
+      if (modalSub && !modalSub.closed) {
+        modalSub.unsubscribe();
+      }
+    });
+  }
+
 }
diff --git a/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.html b/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.html
index b136f83dc5..0570691479 100644
--- a/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.html
+++ b/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.html
@@ -51,7 +51,7 @@
         @if (hasCustomGroup$ | async) {
           <button
             class="btn btn-danger delete"
-            (click)="delete()">
+            (click)="confirmDelete(dsoNameService.getName(group))">
             <i class="fas fa-trash" aria-hidden="true"></i> {{'comcol-role.edit.delete' | translate}}
           </button>
         }
diff --git a/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.spec.ts b/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.spec.ts
index 2972cf1656..ff5435c7a1 100644
--- a/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.spec.ts
+++ b/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.spec.ts
@@ -10,6 +10,7 @@ import {
 import { By } from '@angular/platform-browser';
 import { NoopAnimationsModule } from '@angular/platform-browser/animations';
 import { RouterTestingModule } from '@angular/router/testing';
+import { NgbModule } from '@ng-bootstrap/ng-bootstrap';
 import { TranslateModule } from '@ngx-translate/core';
 import { of } from 'rxjs';
 
@@ -36,17 +37,22 @@ describe('ComcolRoleComponent', () => {
   let comcolRole;
   let notificationsService;
 
-  const requestService = { hasByHref$: () => of(true) };
+  const requestService = {
+    hasByHref$: () => of(true),
+    setStaleByHrefSubstring: () => of(true),
+  };
 
   const groupService = {
     findByHref: jasmine.createSpy('findByHref'),
     createComcolGroup: jasmine.createSpy('createComcolGroup').and.returnValue(of({})),
     deleteComcolGroup: jasmine.createSpy('deleteComcolGroup').and.returnValue(of({})),
+    clearGroupsRequests: jasmine.createSpy('clearGroupsRequests'),
   };
 
   beforeEach(waitForAsync(() => {
     TestBed.configureTestingModule({
       imports: [
+        NgbModule,
         RouterTestingModule.withRoutes([]),
         TranslateModule.forRoot(),
         NoopAnimationsModule,
@@ -174,17 +180,18 @@ describe('ComcolRoleComponent', () => {
         name: 'custom group name',
       };
       statusCode = 200;
-      comp.comcolRole = comcolRole;
+      comp.comcolRole = {
+        name: 'test role name' + Math.random(),
+        href: 'test role link',
+      };
+      comp.roleName$ = of(comcolRole.name);
       fixture.detectChanges();
     });
 
     it('should have a delete button but no create or restrict button', (done) => {
-      expect(de.query(By.css('.btn.create')))
-        .toBeNull();
-      expect(de.query(By.css('.btn.restrict')))
-        .toBeNull();
-      expect(de.query(By.css('.btn.delete')))
-        .toBeTruthy();
+      expect(de.query(By.css('.btn.create'))).toBeNull();
+      expect(de.query(By.css('.btn.restrict'))).toBeNull();
+      expect(de.query(By.css('.btn.delete'))).toBeTruthy();
       done();
     });
 
@@ -194,7 +201,16 @@ describe('ComcolRoleComponent', () => {
         de.query(By.css('.btn.delete')).nativeElement.click();
       });
 
+      afterEach(() => {
+        const modal = document.querySelector('ds-confirmation-modal');
+        if (modal) {
+          modal.remove();
+        }
+      });
+
       it('should call the groupService delete method', (done) => {
+        (document as any).querySelector('.modal-footer .confirm').click();
+        fixture.detectChanges();
         expect(groupService.deleteComcolGroup).toHaveBeenCalled();
         done();
       });
@@ -204,12 +220,24 @@ describe('ComcolRoleComponent', () => {
       beforeEach(() => {
         groupService.deleteComcolGroup.and.returnValue(createFailedRemoteDataObject$());
         de.query(By.css('.btn.delete')).nativeElement.click();
+        fixture.detectChanges();
+      });
+
+      afterEach(() => {
+        const modal = document.querySelector('ds-confirmation-modal');
+        if (modal) {
+          modal.remove();
+        }
       });
 
       it('should show an error notification', (done) => {
+        (document as any).querySelector('.modal-footer .confirm').click();
+        fixture.detectChanges();
+
         expect(notificationsService.error).toHaveBeenCalled();
         done();
       });
     });
+
   });
 });
diff --git a/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.ts b/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.ts
index c0ddbd6cc2..0519760019 100644
--- a/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.ts
+++ b/src/app/shared/comcol/comcol-forms/edit-comcol-page/comcol-role/comcol-role.component.ts
@@ -5,6 +5,7 @@ import {
   OnInit,
 } from '@angular/core';
 import { RouterLink } from '@angular/router';
+import { NgbModal } from '@ng-bootstrap/ng-bootstrap';
 import {
   TranslateModule,
   TranslateService,
@@ -12,11 +13,13 @@ import {
 import {
   BehaviorSubject,
   Observable,
+  Subscription,
 } from 'rxjs';
 import {
   filter,
   map,
   switchMap,
+  takeUntil,
 } from 'rxjs/operators';
 
 import { getGroupEditRoute } from '../../../../../access-control/access-control-routing-paths';
@@ -34,6 +37,7 @@ import {
   getFirstCompletedRemoteData,
 } from '../../../../../core/shared/operators';
 import { AlertComponent } from '../../../../alert/alert.component';
+import { ConfirmationModalComponent } from '../../../../confirmation-modal/confirmation-modal.component';
 import {
   hasNoValue,
   hasValue,
@@ -115,6 +119,7 @@ export class ComcolRoleComponent implements OnInit {
     protected notificationsService: NotificationsService,
     protected translateService: TranslateService,
     public dsoNameService: DSONameService,
+    private modalService: NgbModal,
   ) {
   }
 
@@ -215,4 +220,31 @@ export class ComcolRoleComponent implements OnInit {
 
     this.roleName$ = this.translateService.get(`comcol-role.edit.${this.comcolRole.name}.name`);
   }
+
+  confirmDelete(groupName: string): void {
+    const modalRef = this.modalService.open(ConfirmationModalComponent);
+
+    modalRef.componentInstance.name = groupName;
+    modalRef.componentInstance.headerLabel = 'comcol-role.edit.delete.modal.header';
+    modalRef.componentInstance.infoLabel = 'comcol-role.edit.delete.modal.info';
+    modalRef.componentInstance.cancelLabel = 'comcol-role.edit.delete.modal.cancel';
+    modalRef.componentInstance.confirmLabel = 'comcol-role.edit.delete.modal.confirm';
+    modalRef.componentInstance.brandColor = 'danger';
+    modalRef.componentInstance.confirmIcon = 'fas fa-trash';
+
+    const modalSub: Subscription = modalRef.componentInstance.response.pipe(
+      takeUntil(modalRef.closed),
+    ).subscribe((result: boolean) => {
+      if (result === true) {
+        this.delete();
+      }
+    });
+
+    void modalRef.result.then().finally(() => {
+      modalRef.close();
+      if (modalSub && !modalSub.closed) {
+        modalSub.unsubscribe();
+      }
+    });
+  }
 }
diff --git a/src/assets/i18n/en.json5 b/src/assets/i18n/en.json5
index c262850745..8488b8f373 100644
--- a/src/assets/i18n/en.json5
+++ b/src/assets/i18n/en.json5
@@ -305,6 +305,14 @@
 
   "admin.access-control.epeople.table.edit.buttons.remove": "Delete \"{{name}}\"",
 
+  "admin.access-control.epeople.table.edit.buttons.remove.modal.header": "Delete Group \"{{ dsoName }}\"",
+
+  "admin.access-control.epeople.table.edit.buttons.remove.modal.info": "Are you sure you want to delete Group \"{{ dsoName }}\" and all its associated policies?",
+
+  "admin.access-control.epeople.table.edit.buttons.remove.modal.cancel": "Cancel",
+
+  "admin.access-control.epeople.table.edit.buttons.remove.modal.confirm": "Delete",
+
   "admin.access-control.epeople.no-items": "No EPeople to show.",
 
   "admin.access-control.epeople.form.create": "Create EPerson",
@@ -1523,6 +1531,14 @@
 
   "comcol-role.edit.delete.error.title": "Failed to delete the '{{ role }}' role's group",
 
+  "comcol-role.edit.delete.modal.header": "Delete Group \"{{ dsoName }}\"",
+
+  "comcol-role.edit.delete.modal.info": "Are you sure you want to delete Group \"{{ dsoName }}\" and all its associated policies?",
+
+  "comcol-role.edit.delete.modal.cancel": "Cancel",
+
+  "comcol-role.edit.delete.modal.confirm": "Delete",
+
   "comcol-role.edit.community-admin.name": "Administrators",
 
   "comcol-role.edit.collection-admin.name": "Administrators",