diff --git a/README.md b/README.md
index 3f91056..fbac336 100644
--- a/README.md
+++ b/README.md
@@ -38,17 +38,20 @@ This tap:
     - API URL for your GitLab account. If you are using the public gitlab.com this will be `https://gitlab.com/api/v3`
     - Groups to track (space separated)    
     - Projects to track (space separated)
+    - Recurse through subgroups (boolean). If true, all subgroups will be tracked of the groups specified in the Groups setting will be tracked
     
     Notes:
     - either groups or projects need to be provided
     - filling in 'groups' but leaving 'projects' empty will sync all group projects.
+    - filling in 'groups' and setting 'recurse' to true will sync all group projects and all subgroups projects.
     - filling in 'projects' but leaving 'groups' empty will sync selected projects.
     - filling in 'groups' and 'groups' will sync selected projects of those groups.
 
     ```json
     {"api_url": "https://gitlab.com/api/v3",
      "private_token": "your-access-token",
-    "groups": "myorg mygroup", 
+    "groups": "myorg mygroup",
+    "recurse_groups": false,
     "projects": "myorg/repo-a myorg/repo-b",
      "start_date": "2018-01-01T00:00:00Z"}
     ```
diff --git a/tap_gitlab/__init__.py b/tap_gitlab/__init__.py
index d8d1277..20291e8 100644
--- a/tap_gitlab/__init__.py
+++ b/tap_gitlab/__init__.py
@@ -16,6 +16,7 @@
     'api_url': "https://gitlab.com/api/v3",
     'private_token': None,
     'start_date': None,
+    'recurse_groups': False,
     'groups': ''
 }
 STATE = {}
@@ -57,6 +58,11 @@ def load_schema(entity):
         'schema': load_schema('milestones'),
         'key_properties': ['id'],
     },
+    'group_subgroups': {
+        'url': '/groups/{}/subgroups',
+        'schema': load_schema('groups'),
+        'key_properties': ['id'],
+    },
     'users': {
         'url': '/projects/{}/users',
         'schema': load_schema('users'),
@@ -211,6 +217,14 @@ def sync_group(gid, pids):
             if project['id']:
                 pids.append(project['id'])
 
+        if CONFIG['recurse_groups'] is True:
+            group_subgroups_url = get_url("group_subgroups", id=gid)
+            print(group_subgroups_url)
+
+            for group in gen_request(group_subgroups_url):
+                if group["name"]:
+                    sync_group(str(group["full_path"].replace("/", "%2F")), [])
+
     for pid in pids:
         sync_project(pid)