diff --git a/gso/__init__.py b/gso/__init__.py
index ccbb2d0df7993b2fb35a88781f053de344ed2143..56c9c7d4615be7e6964c95025dab3fc078af40e9 100644
--- a/gso/__init__.py
+++ b/gso/__init__.py
@@ -17,6 +17,7 @@ import gso.workflows  # noqa: F401
 from gso.api import router as api_router
 from gso.auth.oidc import oidc_instance
 from gso.auth.opa import graphql_opa_instance, opa_instance
+from gso.graphql_api.resolvers.customer import custom_subscription_interface
 from gso.graphql_api.types import GSO_SCALAR_OVERRIDES
 from gso.settings import load_oss_params
 
@@ -35,7 +36,7 @@ def init_gso_app() -> OrchestratorCore:
     app.register_authentication(oidc_instance)
     app.register_authorization(opa_instance)
     app.register_graphql_authorization(graphql_opa_instance)
-    app.register_graphql()
+    app.register_graphql(subscription_interface=custom_subscription_interface)
     app.include_router(api_router, prefix="/api")
 
     if app_settings.EXECUTOR == ExecutorType.WORKER:
diff --git a/gso/graphql_api/resolvers/__init__.py b/gso/graphql_api/resolvers/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..decfd8226c967a94bf2560b00cb3f62be8a00f10
--- /dev/null
+++ b/gso/graphql_api/resolvers/__init__.py
@@ -0,0 +1 @@
+"""resolvers module."""
diff --git a/gso/graphql_api/resolvers/customer.py b/gso/graphql_api/resolvers/customer.py
new file mode 100644
index 0000000000000000000000000000000000000000..b8187a69ca00f4941ebaa104eab2a98880b74055
--- /dev/null
+++ b/gso/graphql_api/resolvers/customer.py
@@ -0,0 +1,30 @@
+"""This module contains the resolver for the customer field in the subscription and process types."""
+
+import strawberry
+from orchestrator.graphql.schemas.customer import CustomerType
+from orchestrator.graphql.schemas.process import ProcessType
+from orchestrator.graphql.schemas.subscription import SubscriptionInterface
+from orchestrator.graphql.utils.override_class import override_class
+
+from gso.services.partners import get_partner_by_id
+
+
+async def resolve_customer(root: CustomerType) -> CustomerType:
+    """Resolve the customer field for a subscription or process."""
+    partner = get_partner_by_id(root.customer_id)
+
+    return CustomerType(
+        customer_id=partner.partner_id,
+        fullname=partner.name,
+        shortcode=partner.email,
+    )
+
+
+customer_field = strawberry.field(
+    resolver=resolve_customer,
+    description="Returns customer of a subscription",
+)
+customer_field.name = "customer"  # type: ignore[attr-defined]
+
+override_class(ProcessType, [customer_field])  # type: ignore[list-item]
+custom_subscription_interface = override_class(SubscriptionInterface, [customer_field])  # type: ignore[list-item]