diff --git a/tap_hubspot/__init__.py b/tap_hubspot/__init__.py
index d2e026b4..9a7ad37b 100644
--- a/tap_hubspot/__init__.py
+++ b/tap_hubspot/__init__.py
@@ -19,6 +19,7 @@
                     UNIX_MILLISECONDS_INTEGER_DATETIME_PARSING,
                     Transformer, _transform_datetime)
 
+
 LOGGER = singer.get_logger()
 SESSION = requests.Session()
 
@@ -1143,8 +1144,7 @@ def sync_records(stream_id, primary_key, bookmark_key, catalog, STATE, params):
         get_start(STATE, stream_id, bookmark_key))
 
     LOGGER.info(f"Sync record for {stream_id} from {bookmark_value}")
-    
-    schema = load_schema(stream_id)
+    schema = catalog.get('schema')
     singer.write_schema(stream_id, schema, [primary_key],
                         [bookmark_key], catalog.get('stream_alias'))
 
@@ -1177,7 +1177,7 @@ def sync_records(stream_id, primary_key, bookmark_key, catalog, STATE, params):
 
 def sync_custom_objects(STATE, ctx):
     """
-    Function to sync `custom_objects` schema records
+    Function to sync all the `custom_objects` schema
     """
     catalog = ctx.get_catalog_from_id(singer.get_currently_syncing(STATE))
     mdata = metadata.to_map(catalog.get('metadata'))
@@ -1194,7 +1194,7 @@ def sync_custom_objects(STATE, ctx):
 
 def sync_custom_object_records(STATE, ctx, stream_id):
     """
-    Function to sync `custom_'object'` stream records
+    Function to sync record for each `custom_object` stream
     """
     catalog = ctx.get_catalog_from_id(singer.get_currently_syncing(STATE))
     mdata = metadata.to_map(catalog.get('metadata'))
@@ -1241,36 +1241,14 @@ class Stream:
 def add_custom_streams(mode):
     custom_objects_url = get_url("custom_objects")
     data = request(custom_objects_url).json()
+    # Load Hubspot's shared schemas
+    refs = load_shared_schema_refs()
     if "results" in data.keys():
         for custom_object in data["results"]:
             stream_id = "custom_" + custom_object["name"]
             STREAMS.append(Stream(stream_id, sync_custom_object_records, ['id'], 'updatedAt', 'INCREMENTAL'))
             if mode == "DISCOVER":
-                schema = {
-                    "type": "object",
-                    "properties": {
-                        "id": {
-                            "type": [
-                                "null",
-                                "string"
-                            ]
-                        },
-                        "createdAt": {
-                            "type": ["null", "string"],
-                            "format": "date-time"
-                        },
-                        "updatedAt": {
-                            "type": ["null", "string"],
-                            "format": "date-time"
-                        },
-                        "archived": {
-                            "type": [
-                                "null",
-                                "boolean"
-                            ]
-                        }
-                    }
-                }
+                schema = utils.load_json(get_abs_path('schemas/shared/custom_object_record.json'))
                 custom_schema = parse_custom_schema(stream_id, custom_object["properties"])
                 schema["properties"]["properties"] = {
                     "type": "object",
@@ -1281,12 +1259,25 @@ def add_custom_streams(mode):
                 custom_schema_top_level = {'property_{}'.format(k): v for k, v in custom_schema.items()}
                 schema['properties'].update(custom_schema_top_level)
 
+                final_schema = singer.resolve_schema_references(schema, refs)
                 custom_schema_path = get_abs_path('schemas/{}.json'.format(stream_id))
 
                 # Write data to the JSON file
                 with open(custom_schema_path, 'w') as json_file:
-                    json.dump(schema, json_file)
+                    json.dump(final_schema, json_file)
+
+def load_shared_schema_refs():
+    shared_schemas_path = get_abs_path('schemas/shared')
+
+    shared_file_names = [f for f in os.listdir(shared_schemas_path)
+                         if os.path.isfile(os.path.join(shared_schemas_path, f))]
+
+    shared_schema_refs = {}
+    for shared_file in shared_file_names:
+        with open(os.path.join(shared_schemas_path, shared_file)) as data_file:
+            shared_schema_refs[shared_file] = json.load(data_file)
 
+    return shared_schema_refs
 
 def get_streams_to_sync(streams, state):
     target_stream = singer.get_currently_syncing(state)
diff --git a/tap_hubspot/schemas/shared/associations_schema.json b/tap_hubspot/schemas/shared/associations_schema.json
new file mode 100644
index 00000000..87f71ff5
--- /dev/null
+++ b/tap_hubspot/schemas/shared/associations_schema.json
@@ -0,0 +1,34 @@
+{
+    "type": [
+        "null",
+        "object"
+    ],
+    "properties": {
+        "results": {
+            "type": [
+                "null",
+                "array"
+            ],
+            "items": {
+                "type": [
+                    "null",
+                    "object"
+                ],
+                "properties": {
+                    "id": {
+                        "type": [
+                            "null",
+                            "string"
+                        ]
+                    },
+                    "type": {
+                        "type": [
+                            "null",
+                            "string"
+                        ]
+                    }
+                }
+            }
+        }
+    }
+}
diff --git a/tap_hubspot/schemas/shared/custom_object_record.json b/tap_hubspot/schemas/shared/custom_object_record.json
new file mode 100644
index 00000000..7cf6395b
--- /dev/null
+++ b/tap_hubspot/schemas/shared/custom_object_record.json
@@ -0,0 +1,44 @@
+{
+    "type": "object",
+    "properties": {
+        "id": {
+            "type": [
+                "null",
+                "string"
+            ]
+        },
+        "createdAt": {
+            "type": ["null", "string"],
+            "format": "date-time"
+        },
+        "updatedAt": {
+            "type": ["null", "string"],
+            "format": "date-time"
+        },
+        "archived": {
+            "type": [
+                "null",
+                "boolean"
+            ]
+        },
+        "associations": {
+            "type": [
+                "null",
+                "object"
+            ],
+            "properties": {
+                "emails": {"$ref": "associations_schema.json"},
+                "meetings": {"$ref": "associations_schema.json"},
+                "notes": {"$ref": "associations_schema.json"},
+                "tasks": {"$ref": "associations_schema.json"},
+                "calls": {"$ref": "associations_schema.json"},
+                "conversation_session": {"$ref": "associations_schema.json"},
+                "companies": {"$ref": "associations_schema.json"},
+                "contacts": {"$ref": "associations_schema.json"},
+                "deals": {"$ref": "associations_schema.json"},
+                "products": {"$ref": "associations_schema.json"},
+                "tickets": {"$ref": "associations_schema.json"}
+            }
+        }
+    }
+}