diff --git a/api/rpk-api/firm/core/filter.py b/api/rpk-api/firm/core/filter.py
index 7c48e15..7468cc0 100644
--- a/api/rpk-api/firm/core/filter.py
+++ b/api/rpk-api/firm/core/filter.py
@@ -159,7 +159,7 @@ class FilterSchema(Filter):
     order_by: Optional[list[str]] = None
     created_at__lte: Optional[str] = None
     created_at__gte: Optional[str] = None
-    created_by__in: Optional[str] = None
+    created_by__in: Optional[list[str]] = None
     updated_at__lte: Optional[str] = None
     updated_at__gte: Optional[str] = None
-    updated_by__in: Optional[str] = None
+    updated_by__in: Optional[list[str]] = None
diff --git a/api/rpk-api/firm/core/schemas.py b/api/rpk-api/firm/core/schemas.py
index 76c7830..504df14 100644
--- a/api/rpk-api/firm/core/schemas.py
+++ b/api/rpk-api/firm/core/schemas.py
@@ -5,7 +5,9 @@ from pydantic import BaseModel, Field
 
 
 class Reader(BaseModel):
-    id: Optional[PydanticObjectId] = Field(default=None, validation_alias="_id")
+    id: Optional[PydanticObjectId] = Field(validation_alias="_id")
+    created_by: PydanticObjectId = Field(title="Créé par")
+    updated_by: PydanticObjectId = Field(title="Modifié par")
 
     @classmethod
     def from_model(cls, model):
diff --git a/api/rpk-api/firm/current_firm/__init__.py b/api/rpk-api/firm/current_firm/__init__.py
index 79a05de..a4787d1 100644
--- a/api/rpk-api/firm/current_firm/__init__.py
+++ b/api/rpk-api/firm/current_firm/__init__.py
@@ -1,7 +1,7 @@
-from typing import Any
+from typing import Any, Optional
 
 from beanie import PydanticObjectId
-from pydantic import Field
+from pydantic import Field, BaseModel
 
 from firm.core.models import CrudDocument, CrudDocumentConfig
 from firm.core.schemas import Writer, Reader
@@ -32,7 +32,8 @@ class CurrentFirm(CrudDocument):
         return cls.model_validate(document)
 
 
-class CurrentFirmSchemaRead(Reader):
+class CurrentFirmSchemaRead(BaseModel):
+    id: Optional[PydanticObjectId]
     entity: EntityRead
     partner: EntityRead
     partner_list: list[EntityRead]