diff --git a/modules/client/repository/client_repository.go b/modules/client/repository/client_repository.go
index 8590608..b4e9551 100644
--- a/modules/client/repository/client_repository.go
+++ b/modules/client/repository/client_repository.go
@@ -86,7 +86,9 @@ func (r *clientRepository) GetByName(ctx context.Context, tx *gorm.DB, name stri
 		tx = r.db
 	}
 	var client entities.M_Client
-	if err := tx.WithContext(ctx).Where("name = ?", name).First(&client).Error; err != nil {
+	if err := tx.WithContext(ctx).
+		Where("LOWER(name) = ?", name).
+		First(&client).Error; err != nil {
 		return entities.M_Client{}, err
 	}
 	return client, nil
diff --git a/modules/user/dto/user_dto.go b/modules/user/dto/user_dto.go
index 0971a6f..07ca0cf 100644
--- a/modules/user/dto/user_dto.go
+++ b/modules/user/dto/user_dto.go
@@ -65,7 +65,19 @@ type (
 	}
 
 	BulkCreateUserRequest struct {
-		Users []UserCreateRequest `json:"users" binding:"required,dive"`
+		Users []UserBulkCreateRequest `json:"users" binding:"required,dive"`
+	}
+
+	UserBulkCreateRequest struct {
+		Name       string `json:"name" form:"name" binding:"required,min=2,max=100"`
+		Username   string `json:"username" form:"username" binding:"required,min=2,max=100"`
+		Password   string `json:"password" form:"password" binding:"required,min=8"`
+		Gender     string `json:"gender" form:"gender" binding:"omitempty,max=10"`
+		Address    string `json:"address" form:"address" binding:"omitempty"`
+		Phone      string `json:"phone" form:"phone" binding:"omitempty,min=8,max=20"`
+		Email      string `json:"email" form:"email" binding:"required,email"`
+		PhotoUrl   string `json:"photo_url" form:"photo_url" binding:"omitempty"`
+		ClientName string `json:"client_name" form:"client_name" binding:"required"`
 	}
 
 	UserResponse struct {
diff --git a/modules/user/service/user_service.go b/modules/user/service/user_service.go
index bc52dc6..ae0fc5d 100644
--- a/modules/user/service/user_service.go
+++ b/modules/user/service/user_service.go
@@ -10,6 +10,7 @@ import (
 	authDto "github.com/Caknoooo/go-gin-clean-starter/modules/auth/dto"
 	authRepo "github.com/Caknoooo/go-gin-clean-starter/modules/auth/repository"
 	authService "github.com/Caknoooo/go-gin-clean-starter/modules/auth/service"
+	clientrepository "github.com/Caknoooo/go-gin-clean-starter/modules/client/repository"
 	rolerepository "github.com/Caknoooo/go-gin-clean-starter/modules/role/repository"
 	"github.com/Caknoooo/go-gin-clean-starter/modules/user/dto"
 	"github.com/Caknoooo/go-gin-clean-starter/modules/user/repository"
@@ -45,6 +46,7 @@ type UserService interface {
 }
 
 type userService struct {
+	clientRepository       clientrepository.ClientRepository
 	userRepository         repository.UserRepository
 	roleRepository         rolerepository.RoleRepository
 	warehouserepository    warehouserepository.WarehouseRepository
@@ -58,22 +60,27 @@ func (s *userService) BulkCreate(ctx context.Context, req dto.BulkCreateUserRequ
 	users := make([]entities.M_User, len(req.Users))
 
 	for i, r := range req.Users {
+		clientName := strings.ToLower(strings.TrimSpace(r.ClientName))
+		client, err := s.clientRepository.GetByName(ctx, s.db, clientName)
+		if err != nil {
+			return err
+		}
 		hashedPassword, err := utils.HashPassword(r.Password)
 		if err != nil {
 			return err
 		}
 		users[i] = entities.M_User{
-			Username:               r.Username,
-			Email:                  r.Email,
-			Password:               hashedPassword,
-			Name:                   r.Name,
-			Gender:                 r.Gender,
-			Address:                r.Address,
-			Phone:                  r.Phone,
-			PhotoUrl:               r.PhotoUrl,
-			ClientID:               r.ClientID,
-			MaintenanceGroupUserID: r.MaintenanceGroupUserID,
-			LocationID:             r.LocationID,
+			Username: r.Username,
+			Email:    r.Email,
+			Password: hashedPassword,
+			Name:     r.Name,
+			Gender:   r.Gender,
+			Address:  r.Address,
+			Phone:    r.Phone,
+			PhotoUrl: r.PhotoUrl,
+			ClientID: client.ID,
+			// MaintenanceGroupUserID: r.MaintenanceGroupUserID,
+			// LocationID:             r.LocationID,
 		}
 	}
 
@@ -352,6 +359,7 @@ func NewUserService(
 	userRepo repository.UserRepository,
 	roleRepo rolerepository.RoleRepository,
 	warehouserepository warehouserepository.WarehouseRepository,
+	clientRepository clientrepository.ClientRepository,
 	refreshTokenRepo authRepo.RefreshTokenRepository,
 	jwtService authService.JWTService,
 	db *gorm.DB,
@@ -360,6 +368,7 @@ func NewUserService(
 		userRepository:         userRepo,
 		roleRepository:         roleRepo,
 		warehouserepository:    warehouserepository,
+		clientRepository:       clientRepository,
 		refreshTokenRepository: refreshTokenRepo,
 		jwtService:             jwtService,
 		db:                     db,
diff --git a/providers/core.go b/providers/core.go
index 3c042a3..01361e9 100644
--- a/providers/core.go
+++ b/providers/core.go
@@ -161,7 +161,7 @@ func RegisterDependencies(injector *do.Injector) {
 	inventoryTransactionRepository := inventoryTransactionRepo.NewInventoryTransactionRepository(db)
 
 	// Service
-	userServ := userService.NewUserService(userRepository, roleRepository, warehouseRepository, refreshTokenRepository, jwtService, db)
+	userServ := userService.NewUserService(userRepository, roleRepository, warehouseRepository, clientRepository, refreshTokenRepository, jwtService, db)
 	productService := productService.NewProductService(productRepository, db)
 	roleServ := roleService.NewRoleService(roleRepository, refreshTokenRepository, jwtService, userServ, db)
 	menuSvc := menuService.NewMenuService(menuRepository, jwtService, db)