diff --git a/src/controllers/04-product-controller.ts b/src/controllers/04-product-controller.ts
index 6ff0ce4..db2f3ac 100644
--- a/src/controllers/04-product-controller.ts
+++ b/src/controllers/04-product-controller.ts
@@ -42,7 +42,7 @@ function globalAllow(user: RequestWithUser["user"]) {
   return allowList.some((v) => user.roles?.includes(v));
 }
 
-const permissionCondShared = createPermCondition((_) => true);
+const permissionCondCompany = createPermCondition((_) => true);
 const permissionCond = createPermCondition(globalAllow);
 const permissionCheck = createPermCheck(globalAllow);
 
@@ -113,7 +113,7 @@ export class ProductController extends Controller {
               {
                 shared: true,
                 productGroup: {
-                  registeredBranch: { OR: permissionCondShared(req.user) },
+                  registeredBranch: { OR: permissionCondCompany(req.user) },
                 },
               },
             ],
@@ -147,7 +147,7 @@ export class ProductController extends Controller {
               {
                 shared: true,
                 productGroup: {
-                  registeredBranch: { OR: permissionCondShared(req.user) },
+                  registeredBranch: { OR: permissionCondCompany(req.user) },
                 },
               },
             ],
@@ -195,7 +195,7 @@ export class ProductController extends Controller {
   @Post()
   @Security("keycloak", MANAGE_ROLES)
   async createProduct(@Request() req: RequestWithUser, @Body() body: ProductCreate) {
-    const [productGroup] = await prisma.$transaction([
+    const [productGroup, productSameName] = await prisma.$transaction([
       prisma.productGroup.findFirst({
         include: {
           registeredBranch: {
@@ -206,13 +206,26 @@ export class ProductController extends Controller {
         },
         where: { id: body.productGroupId },
       }),
+      prisma.product.findMany({
+        where: {
+          productGroup: {
+            registeredBranch: {
+              OR: permissionCondCompany(req.user),
+            },
+          },
+          name: body.name,
+        },
+      }),
     ]);
 
-    if (!productGroup) {
+    if (!productGroup) throw relationError("Product Group");
+
+    console.log(productSameName);
+    if (productSameName.some((v) => v.code.slice(0, -3) === body.code.toUpperCase())) {
       throw new HttpError(
         HttpStatus.BAD_REQUEST,
-        "Product Group cannot be found.",
-        "relationProductGroupNotFound",
+        "Product with the same name and code already exists",
+        "productNameExists",
       );
     }