diff --git a/ee/app/models/preloaders/user_member_roles_in_projects_preloader.rb b/ee/app/models/preloaders/user_member_roles_in_projects_preloader.rb
index 4ffb245e40edb22f661ae7f9eb00bb70762ab11a..d8f0ce9e88d975e8c3554f9167997fddccef6d18 100644
--- a/ee/app/models/preloaders/user_member_roles_in_projects_preloader.rb
+++ b/ee/app/models/preloaders/user_member_roles_in_projects_preloader.rb
@@ -148,6 +148,14 @@ def user_group_member_roles_query
         group_permissions_query.select('member_roles.permissions').to_sql
       )
 
+      if custom_role_for_project_link_enabled?
+        shared_projects_permissions_query = ::Authz::UserProjectMemberRole.joins(:member_role)
+          .where('user_project_member_roles.project_id = project_ids.project_id')
+          .where(user: user)
+          .select('member_roles.permissions').to_sql
+        union_queries.push(shared_projects_permissions_query)
+      end
+
       union_queries.join(" UNION ALL ")
     end
 
@@ -183,6 +191,14 @@ def custom_role_for_group_link_enabled?
       end
     end
 
+    def custom_role_for_project_link_enabled?
+      return false unless ::Gitlab::Saas.feature_available?(:gitlab_com_subscriptions)
+
+      projects_relation.any? do |project|
+        ::Feature.enabled?(:assign_custom_roles_to_project_links_saas, project.root_ancestor)
+      end
+    end
+
     def log_statistics(project_ids)
       ::Gitlab::AppLogger.info(
         class: self.class.name,
diff --git a/ee/spec/models/preloaders/user_member_roles_in_projects_preloader_spec.rb b/ee/spec/models/preloaders/user_member_roles_in_projects_preloader_spec.rb
index b3db709eb847c932f141e96fc60cd93fca418aeb..81b7715fd48b775418a7d831f984c2548fc01271 100644
--- a/ee/spec/models/preloaders/user_member_roles_in_projects_preloader_spec.rb
+++ b/ee/spec/models/preloaders/user_member_roles_in_projects_preloader_spec.rb
@@ -234,6 +234,37 @@
       it_behaves_like 'custom roles', ability
     end
 
+    context 'when project is shared to a group with a member role', :saas do
+      let_it_be(:shared_project) { create(:project, :private) }
+      let_it_be(:invited_group) { create(:group, developers: [user]) }
+      let_it_be(:ability) { MemberRole.all_customizable_project_permissions.sample }
+      let_it_be(:member_role) { create_member_role(shared_project.root_ancestor, ability) }
+      let_it_be(:projects_list) { [shared_project] }
+      let_it_be(:expected_abilities) { expected_project_abilities(ability) }
+
+      before_all do
+        create(:project_group_link, project: shared_project, group: invited_group, group_access: Gitlab::Access::GUEST,
+          member_role: member_role)
+
+        member = invited_group.members.find_by(user_id: user.id)
+        ::Authz::UserGroupMemberRoles::UpdateForGroupService.new(member).execute
+      end
+
+      it 'returns abilities assigned to the invited group' do
+        expect(result[shared_project.id]).to match_array(expected_abilities)
+      end
+
+      context 'when assign_custom_roles_to_project_links_saas feature flag is disabled' do
+        before do
+          stub_feature_flags(assign_custom_roles_to_project_links_saas: false)
+        end
+
+        it 'does not return abilities assigned to the invited group' do
+          expect(result[shared_project.id]).to be_empty
+        end
+      end
+    end
+
     context "when project's parent group invites a group with a custom role" do
       let(:source) { project }