diff --git a/frontend/src/component/project/ProjectAccess/ProjectAccessAssign/ProjectAccessAssign.tsx b/frontend/src/component/project/ProjectAccess/ProjectAccessAssign/ProjectAccessAssign.tsx
index ce7f408d39..2fb5d03b14 100644
--- a/frontend/src/component/project/ProjectAccess/ProjectAccessAssign/ProjectAccessAssign.tsx
+++ b/frontend/src/component/project/ProjectAccess/ProjectAccessAssign/ProjectAccessAssign.tsx
@@ -38,6 +38,8 @@ import { caseInsensitiveSearch } from 'utils/search';
 import type { IServiceAccount } from 'interfaces/service-account';
 import { MultipleRoleSelect } from 'component/common/MultipleRoleSelect/MultipleRoleSelect';
 import type { IUserProjectRole } from '../../../../interfaces/userProjectRoles';
+import { useCheckProjectPermissions } from 'hooks/useHasAccess';
+import { ADMIN } from 'component/providers/AccessProvider/permissions';
 
 const StyledForm = styled('form')(() => ({
     display: 'flex',
@@ -119,6 +121,8 @@ export const ProjectAccessAssign = ({
         useProjectApi();
     const edit = Boolean(selected);
 
+    const checkPermissions = useCheckProjectPermissions(projectId);
+
     const { setToastData, setToastApiError } = useToast();
     const navigate = useNavigate();
 
@@ -323,11 +327,10 @@ export const ProjectAccessAssign = ({
 
     const isValid = selectedOptions.length > 0 && selectedRoles.length > 0;
     const displayAllRoles =
+        checkPermissions(ADMIN) ||
         userRoles.length === 0 ||
-        userRoles.some(
-            (userRole) =>
-                userRole.name === 'Admin' || userRole.name === 'Owner',
-        );
+        userRoles.some((userRole) => userRole.name === 'Owner');
+
     let filteredRoles: IRole[];
     if (displayAllRoles) {
         filteredRoles = roles;
diff --git a/src/lib/features/project/project-service.ts b/src/lib/features/project/project-service.ts
index 289a6a88df..aaab2f951c 100644
--- a/src/lib/features/project/project-service.ts
+++ b/src/lib/features/project/project-service.ts
@@ -52,6 +52,7 @@ import {
     SYSTEM_USER_ID,
     type ProjectCreated,
     type IProjectOwnersReadModel,
+    ADMIN,
 } from '../../types';
 import type {
     IProjectAccessModel,
@@ -838,16 +839,21 @@ export default class ProjectService {
     }
 
     private async isAllowedToAddAccess(
-        userAddingAccess: number,
+        userAddingAccess: IAuditUser,
         projectId: string,
         rolesBeingAdded: number[],
     ): Promise<boolean> {
+        const userPermissions =
+            await this.accessService.getPermissionsForUser(userAddingAccess);
+        if (userPermissions.some(({ permission }) => permission === ADMIN)) {
+            return true;
+        }
         const userRoles = await this.accessService.getAllProjectRolesForUser(
-            userAddingAccess,
+            userAddingAccess.id,
             projectId,
         );
         if (
-            this.isAdmin(userAddingAccess, userRoles) ||
+            this.isAdmin(userAddingAccess.id, userRoles) ||
             this.isProjectOwner(userRoles, projectId)
         ) {
             return true;
@@ -864,7 +870,7 @@ export default class ProjectService {
         users: number[],
         auditUser: IAuditUser,
     ): Promise<void> {
-        if (await this.isAllowedToAddAccess(auditUser.id, projectId, roles)) {
+        if (await this.isAllowedToAddAccess(auditUser, projectId, roles)) {
             await this.accessService.addAccessToProject(
                 roles,
                 groups,
@@ -924,7 +930,7 @@ export default class ProjectService {
             await this.validateAtLeastOneOwner(projectId, ownerRole);
         }
         const isAllowedToAssignRoles = await this.isAllowedToAddAccess(
-            auditUser.id,
+            auditUser,
             projectId,
             newRoles,
         );
@@ -975,7 +981,7 @@ export default class ProjectService {
             await this.validateAtLeastOneOwner(projectId, ownerRole);
         }
         const isAllowedToAssignRoles = await this.isAllowedToAddAccess(
-            auditUser.id,
+            auditUser,
             projectId,
             newRoles,
         );