diff --git a/src/controllers/03-customer-controller.ts b/src/controllers/03-customer-controller.ts
index 1854842..5a6ef36 100644
--- a/src/controllers/03-customer-controller.ts
+++ b/src/controllers/03-customer-controller.ts
@@ -170,6 +170,10 @@ export class CustomerController extends Controller {
     @Query() activeBranchOnly?: boolean,
     @Query() startDate?: Date,
     @Query() endDate?: Date,
+    @Query() businessType?: string,
+    @Query() province?: string,
+    @Query() district?: string,
+    @Query() subDistrict?: string,
   ) {
     const where = {
       OR: queryOrNot<Prisma.CustomerWhereInput[]>(query, [
@@ -192,6 +196,47 @@ export class CustomerController extends Controller {
                 : permissionCond(req.user, { activeOnly: activeBranchOnly }),
             },
       },
+      branch: {
+        some: {
+          AND: [
+            businessType
+              ? {
+                  OR: [
+                    { businessType: { name: { contains: businessType, mode: "insensitive" } } },
+                    { businessType: { nameEN: { contains: businessType, mode: "insensitive" } } },
+                  ],
+                }
+              : {},
+
+            province
+              ? {
+                  OR: [
+                    { province: { name: { contains: province, mode: "insensitive" } } },
+                    { province: { nameEN: { contains: province, mode: "insensitive" } } },
+                  ],
+                }
+              : {},
+
+            district
+              ? {
+                  OR: [
+                    { district: { name: { contains: district, mode: "insensitive" } } },
+                    { district: { nameEN: { contains: district, mode: "insensitive" } } },
+                  ],
+                }
+              : {},
+
+            subDistrict
+              ? {
+                  OR: [
+                    { subDistrict: { name: { contains: subDistrict, mode: "insensitive" } } },
+                    { subDistrict: { nameEN: { contains: subDistrict, mode: "insensitive" } } },
+                  ],
+                }
+              : {},
+          ],
+        },
+      },
       ...whereDateQuery(startDate, endDate),
     } satisfies Prisma.CustomerWhereInput;