diff --git a/apps/server/src/core/group/dto/update-group.dto.ts b/apps/server/src/core/group/dto/update-group.dto.ts
index ddaa1b0f..1e00cff0 100644
--- a/apps/server/src/core/group/dto/update-group.dto.ts
+++ b/apps/server/src/core/group/dto/update-group.dto.ts
@@ -1,4 +1,9 @@
 import { PartialType } from '@nestjs/mapped-types';
 import { CreateGroupDto } from './create-group.dto';
+import { IsNotEmpty, IsUUID } from 'class-validator';
 
-export class UpdateGroupDto extends PartialType(CreateGroupDto) {}
+export class UpdateGroupDto extends PartialType(CreateGroupDto) {
+  @IsNotEmpty()
+  @IsUUID()
+  groupId: string;
+}
diff --git a/apps/server/src/core/group/entities/group.entity.ts b/apps/server/src/core/group/entities/group.entity.ts
index 47f964be..caa31897 100644
--- a/apps/server/src/core/group/entities/group.entity.ts
+++ b/apps/server/src/core/group/entities/group.entity.ts
@@ -47,4 +47,6 @@ export class Group {
 
   @OneToMany(() => GroupUser, (groupUser) => groupUser.group)
   groupUsers: GroupUser[];
+
+  userCount?: number;
 }
diff --git a/apps/server/src/core/group/services/group-user.service.ts b/apps/server/src/core/group/services/group-user.service.ts
index 147dce7d..f42272ed 100644
--- a/apps/server/src/core/group/services/group-user.service.ts
+++ b/apps/server/src/core/group/services/group-user.service.ts
@@ -6,20 +6,20 @@ import {
 import { DataSource, EntityManager } from 'typeorm';
 import { GroupUserRepository } from '../respositories/group-user.repository';
 import { PaginationOptions } from '../../../helpers/pagination/pagination-options';
-import {
-  WorkspaceUser,
-  WorkspaceUserRole,
-} from '../../workspace/entities/workspace-user.entity';
+import { WorkspaceUser } from '../../workspace/entities/workspace-user.entity';
 import { transactionWrapper } from '../../../helpers/db.helper';
 import { User } from '../../user/entities/user.entity';
 import { GroupUser } from '../entities/group-user.entity';
 import { PaginationMetaDto } from '../../../helpers/pagination/pagination-meta-dto';
 import { PaginatedResult } from '../../../helpers/pagination/paginated-result';
+import { Group } from '../entities/group.entity';
+import { GroupService } from './group.service';
 
 @Injectable()
 export class GroupUserService {
   constructor(
     private groupUserRepository: GroupUserRepository,
+    private groupService: GroupService,
     private dataSource: DataSource,
   ) {}
 
@@ -28,9 +28,12 @@ export class GroupUserService {
     workspaceId: string,
     paginationOptions: PaginationOptions,
   ): Promise<PaginatedResult<User>> {
+    await this.groupService.validateGroup(groupId, workspaceId);
+
     const [groupUsers, count] = await this.groupUserRepository.findAndCount({
       relations: ['user'],
       where: {
+        groupId: groupId,
         group: {
           workspaceId: workspaceId,
         },
@@ -57,7 +60,15 @@ export class GroupUserService {
 
     await transactionWrapper(
       async (manager) => {
-        // TODO: make duplicate code reusable
+        const group = await manager.findOneBy(Group, {
+          id: groupId,
+          workspaceId: workspaceId,
+        });
+
+        if (!group) {
+          throw new NotFoundException('Group not found');
+        }
+
         const userExists = await manager.exists(User, {
           where: { id: userId },
         });
@@ -100,7 +111,7 @@ export class GroupUserService {
   }
 
   async removeUserFromGroup(userId: string, groupId: string): Promise<void> {
-    const groupUser = await this.findGroupUser(userId, groupId);
+    const groupUser = await this.getGroupUser(userId, groupId);
 
     if (!groupUser) {
       throw new BadRequestException('Group member not found');
@@ -112,10 +123,18 @@ export class GroupUserService {
     });
   }
 
-  async findGroupUser(userId: string, groupId: string): Promise<GroupUser> {
+  async getGroupUser(userId: string, groupId: string): Promise<GroupUser> {
     return await this.groupUserRepository.findOneBy({
       userId,
       groupId,
     });
   }
+
+  async getGroupUserCount(groupId: string): Promise<number> {
+    return await this.groupUserRepository.count({
+      where: {
+        groupId: groupId,
+      },
+    });
+  }
 }
diff --git a/apps/server/src/core/group/services/group.service.ts b/apps/server/src/core/group/services/group.service.ts
index 62bbf8f1..084ed3e7 100644
--- a/apps/server/src/core/group/services/group.service.ts
+++ b/apps/server/src/core/group/services/group.service.ts
@@ -29,7 +29,14 @@ export class GroupService {
     workspaceId: string,
     updateGroupDto: UpdateGroupDto,
   ): Promise<Group> {
-    const group = new Group();
+    const group = await this.groupRepository.findOneBy({
+      id: updateGroupDto.groupId,
+      workspaceId: workspaceId,
+    });
+
+    if (!group) {
+      throw new NotFoundException('Group not found');
+    }
 
     if (updateGroupDto.name) {
       group.name = updateGroupDto.name;
@@ -43,12 +50,16 @@ export class GroupService {
   }
 
   async getGroup(groupId: string, workspaceId: string): Promise<Group> {
-    const group = await this.groupRepository.findOneBy({
-      id: groupId,
-      workspaceId: workspaceId,
-    });
-
-    //TODO: get group member count
+    const group = await this.groupRepository
+      .createQueryBuilder('group')
+      .where('group.id = :groupId', { groupId })
+      .andWhere('group.workspaceId = :workspaceId', { workspaceId })
+      .loadRelationCountAndMap(
+        'group.userCount',
+        'group.groupUsers',
+        'groupUsers',
+      )
+      .getOne();
 
     if (!group) {
       throw new NotFoundException('Group not found');
@@ -61,22 +72,37 @@ export class GroupService {
     workspaceId: string,
     paginationOptions: PaginationOptions,
   ): Promise<PaginatedResult<Group>> {
-    const [groupsInWorkspace, count] = await this.groupRepository.findAndCount({
-      where: {
-        workspaceId: workspaceId,
-      },
-
-      take: paginationOptions.limit,
-      skip: paginationOptions.skip,
-    });
+    const [groupsInWorkspace, count] = await this.groupRepository
+      .createQueryBuilder('group')
+      .where('group.workspaceId = :workspaceId', { workspaceId })
+      .loadRelationCountAndMap(
+        'group.userCount',
+        'group.groupUsers',
+        'groupUsers',
+      )
+      .take(paginationOptions.limit)
+      .skip(paginationOptions.skip)
+      .getManyAndCount();
 
     const paginationMeta = new PaginationMetaDto({ count, paginationOptions });
 
     return new PaginatedResult(groupsInWorkspace, paginationMeta);
   }
 
-  async deleteGroup(groupId: string, workspaceId: string) {
-    await this.getGroup(groupId, workspaceId);
+  async deleteGroup(groupId: string, workspaceId: string): Promise<void> {
+    await this.validateGroup(groupId, workspaceId);
     await this.groupRepository.delete(groupId);
   }
+
+  async validateGroup(groupId: string, workspaceId: string): Promise<void> {
+    const groupExists = await this.groupRepository.exists({
+      where: {
+        id: groupId,
+        workspaceId: workspaceId,
+      },
+    });
+    if (!groupExists) {
+      throw new NotFoundException('Group not found');
+    }
+  }
 }
diff --git a/apps/server/src/core/user/user.service.ts b/apps/server/src/core/user/user.service.ts
index ec73bd18..a29ecc62 100644
--- a/apps/server/src/core/user/user.service.ts
+++ b/apps/server/src/core/user/user.service.ts
@@ -60,10 +60,7 @@ export class UserService {
   }
 
   async getUserInstance(userId: string) {
-    console.log('what is')
-
     const user: User = await this.findById(userId);
-    console.log('what one')
 
     if (!user) {
       throw new NotFoundException('User not found');