diff --git a/backend/app/api/endpoints/maintenance_schedules.py b/backend/app/api/endpoints/maintenance_schedules.py
index 506da0e3..d43980a9 100644
--- a/backend/app/api/endpoints/maintenance_schedules.py
+++ b/backend/app/api/endpoints/maintenance_schedules.py
@@ -69,6 +69,7 @@ async def create_schedule(
 
     schedule = MaintenanceSchedule(
         tree_id=data.tree_id,
+        account_id=current_user.account_id,
         created_by=current_user.id,
         cron_expression=data.cron_expression,
         timezone=data.timezone,
diff --git a/backend/app/api/endpoints/supporting_data.py b/backend/app/api/endpoints/supporting_data.py
index b7d0a33a..ae8c5d79 100644
--- a/backend/app/api/endpoints/supporting_data.py
+++ b/backend/app/api/endpoints/supporting_data.py
@@ -103,6 +103,7 @@ async def create_supporting_data(
 
     item = SessionSupportingData(
         session_id=session_id,
+        account_id=session.account_id,
         label=data.label,
         data_type=data.data_type,
         content=data.content,
diff --git a/backend/app/services/psa_documentation_service.py b/backend/app/services/psa_documentation_service.py
index 17a62587..558f21c5 100644
--- a/backend/app/services/psa_documentation_service.py
+++ b/backend/app/services/psa_documentation_service.py
@@ -371,6 +371,7 @@ async def push_documentation(
         # Log success
         log_entry = PsaPostLog(
             id=uuid.uuid4(),
+            account_id=session.account_id,
             ai_session_id=session.id,
             psa_connection_id=session.psa_connection_id,
             ticket_id=session.psa_ticket_id,
@@ -394,6 +395,7 @@ async def push_documentation(
         # Log failure with retry scheduling
         log_entry = PsaPostLog(
             id=uuid.uuid4(),
+            account_id=session.account_id,
             ai_session_id=session.id,
             psa_connection_id=session.psa_connection_id,
             ticket_id=session.psa_ticket_id,
diff --git a/backend/app/services/resolution_output_generator.py b/backend/app/services/resolution_output_generator.py
index 1b317d5c..022f658e 100644
--- a/backend/app/services/resolution_output_generator.py
+++ b/backend/app/services/resolution_output_generator.py
@@ -45,6 +45,7 @@ class ResolutionOutputGenerator:
 
             output = SessionResolutionOutput(
                 session_id=session_id,
+                account_id=session.account_id,
                 output_type=output_type,
                 generated_content=content,
                 status="draft",