diff --git a/backend/magic_plan/magic_plan_service.py b/backend/magic_plan/magic_plan_service.py
index 6be6486c..bb68fa42 100644
--- a/backend/magic_plan/magic_plan_service.py
+++ b/backend/magic_plan/magic_plan_service.py
@@ -41,8 +41,16 @@ class MagicPlanService:
             raise ValueError(f"No MagicPlan found for address: {address!r}")
 
         magic_plan: MagicPlanPlan = self._client.get_plan(matched.id)
+        raw_bytes: bytes = self._client.get_plan_raw(matched.id)
         plan: Plan = map_plan(magic_plan)
 
+        compressed = gzip.compress(raw_bytes)
+        if uprn is not None:
+            s3_key = f"documents/uprn/{uprn}/magic_plan_{matched.id}.json.gz"
+        else:
+            s3_key = f"documents/hubspot_deal_id/{request.hubspot_deal_id}/magic_plan_{matched.id}.json.gz"
+        save_data_to_s3(compressed, self._s3_bucket, s3_key)
+
         with db_session() as session:
             save_plan(session, plan)
 
diff --git a/backend/magic_plan/tests/test_magic_plan_service.py b/backend/magic_plan/tests/test_magic_plan_service.py
index 87e20506..65c19b7a 100644
--- a/backend/magic_plan/tests/test_magic_plan_service.py
+++ b/backend/magic_plan/tests/test_magic_plan_service.py
@@ -43,7 +43,9 @@ def plan_summary() -> PlanSummary:
 
 @pytest.fixture()
 def mock_client() -> MagicMock:
-    return MagicMock(spec=MagicPlanClient)
+    client = MagicMock(spec=MagicPlanClient)
+    client.get_plan_raw.return_value = b"{}"
+    return client
 
 
 def _make_service(mock_client: MagicMock) -> MagicPlanService: