diff --git a/src/InternshipSystem.Core/Entity/Company.cs b/src/InternshipSystem.Core/Entity/Company.cs
index bd16a25..72dbaa4 100644
--- a/src/InternshipSystem.Core/Entity/Company.cs
+++ b/src/InternshipSystem.Core/Entity/Company.cs
@@ -19,7 +19,8 @@ namespace InternshipSystem.Core
             {
                 Nip = nip,
                 Name = name,
-                Provider = provider
+                Provider = provider,
+                Branches = new List<BranchOffice>()
             };
 
         public void AddBranchOffice(BranchOffice createBranch)