diff --git a/app/services/company_service.py b/app/services/company_service.py
index 17503608..badf015b 100644
--- a/app/services/company_service.py
+++ b/app/services/company_service.py
@@ -157,7 +157,8 @@ class CompanyService:
         # Apply pagination and order
         query = query.order_by(Company.name).offset(skip).limit(limit)
 
-        companies = list(db.execute(query).scalars().all())
+        # Use unique() when using joinedload with collections to avoid duplicate rows
+        companies = list(db.execute(query).scalars().unique().all())
 
         return companies, total