diff --git a/src/controllers/05-quotation-controller.ts b/src/controllers/05-quotation-controller.ts
index 02d16e8..40a9738 100644
--- a/src/controllers/05-quotation-controller.ts
+++ b/src/controllers/05-quotation-controller.ts
@@ -183,7 +183,22 @@ export class QuotationController extends Controller {
     @Query() query = "",
   ) {
     const where = {
-      OR: [{ code: { contains: query, mode: "insensitive" } }, { workName: { contains: query } }],
+      OR: [
+        { code: { contains: query, mode: "insensitive" } },
+        { workName: { contains: query } },
+        {
+          customerBranch: {
+            OR: [
+              { code: { contains: query, mode: "insensitive" } },
+              { customerName: { contains: query } },
+              { firstName: { contains: query } },
+              { firstNameEN: { contains: query } },
+              { lastName: { contains: query } },
+              { lastNameEN: { contains: query } },
+            ],
+          },
+        },
+      ],
       payCondition,
       registeredBranch: isSystem(req.user) ? undefined : { OR: permissionCond(req.user) },
     } satisfies Prisma.QuotationWhereInput;