diff --git a/api/application/contracts/user/roles.py b/api/application/contracts/user/roles.py
deleted file mode 100644
index a36af64..0000000
--- a/api/application/contracts/user/roles.py
+++ /dev/null
@@ -1,15 +0,0 @@
-from enum import Enum
-
-
-class UserRole(Enum):
-    # base roles
-    ADMIN = "Administrator"
-
-    # service provider roles
-    SUPPLIER_EMPLOYER = "Director"
-    SUPPLIER = "Supplie of service"
-    SUPPLIER_EMPLOYEE = "Supplie employee"
-
-    CLIENT = "Client"
-    EMPLOYER = "Client company employer"
-    EMPLOYEE = "Client company employee"
diff --git a/api/domain/user/model.py b/api/domain/user/model.py
index d71d187..e2f4916 100644
--- a/api/domain/user/model.py
+++ b/api/domain/user/model.py
@@ -1,5 +1,6 @@
 import re
 from dataclasses import dataclass
+from enum import Enum
 from uuid import UUID, uuid4
 
 from api.domain import DomainValidationError
@@ -7,6 +8,20 @@ from api.domain.entity import DomainEntity
 from api.domain.value_obj import DomainValueObject
 
 
+class Roles(Enum):
+    # base roles
+    ADMIN = "Administrator"
+
+    # service provider roles
+    SUPPLIER_EMPLOYER = "Director"
+    SUPPLIER = "Supplie of service"
+    SUPPLIER_EMPLOYEE = "Supplie employee"
+
+    CLIENT = "Client"
+    EMPLOYER = "Client company employer"
+    EMPLOYEE = "Client company employee"
+
+
 @dataclass(frozen=True)
 class UserEmail(DomainValueObject):
     value: str
@@ -15,7 +30,9 @@ class UserEmail(DomainValueObject):
         pattern = r"^[\w\.-]+@[a-zA-Z\d\.-]+\.[a-zA-Z]{2,}$"
 
         if not re.match(pattern, self.value):
-            raise DomainValidationError("Invalid email format. Email must be in the format 'example@example.com'.")
+            raise DomainValidationError(
+                "Invalid email format. Email must be in the format 'example@example.com'."
+            )
 
 
 @dataclass(frozen=True)
@@ -26,7 +43,9 @@ class UserFirstName(DomainValueObject):
         if len(self.value) < 1:
             raise DomainValidationError("First name must be at least 1 character long.")
         if len(self.value) > 100:
-            raise DomainValidationError("First name must be at most 100 characters long.")
+            raise DomainValidationError(
+                "First name must be at most 100 characters long."
+            )
         if not self.value.isalpha():
             raise DomainValidationError("First name must only contain letters.")
 
@@ -39,7 +58,9 @@ class UserLastName(DomainValueObject):
         if len(self.value) < 1:
             raise DomainValidationError("Last name must be at least 1 character long.")
         if len(self.value) > 100:
-            raise DomainValidationError("Last name must be at most 100 characters long.")
+            raise DomainValidationError(
+                "Last name must be at most 100 characters long."
+            )
         if not self.value.isalpha():
             raise DomainValidationError("Last name must only contain letters.")
 
@@ -49,6 +70,11 @@ class UserId(DomainValueObject):
     value: UUID
 
 
+@dataclass(frozen=True)
+class UserRole(DomainValueObject):
+    roles: list[Roles]
+
+
 @dataclass
 class User(DomainEntity[UserId]):
     name: UserFirstName