diff --git a/src/main/java/com/example/RealMatch/brand/application/service/BrandService.java b/src/main/java/com/example/RealMatch/brand/application/service/BrandService.java
index c1c8bc96..ce25326a 100644
--- a/src/main/java/com/example/RealMatch/brand/application/service/BrandService.java
+++ b/src/main/java/com/example/RealMatch/brand/application/service/BrandService.java
@@ -106,6 +106,7 @@ public BrandDetailResponseDto getBrandDetail(Long brandId, Long currentUserId) {
         BrandDetailResponseDto.BrandDetailResponseDtoBuilder responseBuilder = BrandDetailResponseDto.builder()
                 .userId(currentUserId)
                 .brandName(brand.getBrandName())
+                .brandUserId(String.valueOf(brand.getUser().getId()))
                 .brandImages(brandImages)
                 .logoUrl(brand.getLogoUrl())
                 .simpleIntro(brand.getSimpleIntro())
diff --git a/src/main/java/com/example/RealMatch/brand/presentation/dto/response/BrandDetailResponseDto.java b/src/main/java/com/example/RealMatch/brand/presentation/dto/response/BrandDetailResponseDto.java
index 997fc2aa..ccfa5a28 100644
--- a/src/main/java/com/example/RealMatch/brand/presentation/dto/response/BrandDetailResponseDto.java
+++ b/src/main/java/com/example/RealMatch/brand/presentation/dto/response/BrandDetailResponseDto.java
@@ -10,6 +10,7 @@
 public class BrandDetailResponseDto {
     private Long userId;
     private String brandName;
+    private String brandUserId;
     private List<String> brandImages;
     private String logoUrl;
     private String simpleIntro;