diff --git a/src/config/styles.json b/src/config/styles.json
index 45f07eb..8f922f5 100644
--- a/src/config/styles.json
+++ b/src/config/styles.json
@@ -34,5 +34,29 @@
     "title": "Empty Style",
     "url": "https://rawgit.com/maputnik/editor/master/src/config/empty-style.json",
     "thumbnail": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAYAAAAECAQAAAAHDYbIAAAAEUlEQVR42mP8/58BDhiJ4wAA974H/U5Xe1oAAAAASUVORK5CYII="
+  },
+  {
+    "id": "os-zoomstack-outdoor",
+    "title": "Zoomstack Outdoor",
+    "url": "https://s3-eu-west-1.amazonaws.com/tiles.os.uk/styles/open-zoomstack-outdoor/style.json",
+    "thumbnail": "https://maputnik.github.io/thumbnails/os-zoomstack-outdoor.png"
+  },
+  {
+    "id": "os-zoomstack-road",
+    "title": "Zoomstack Road",
+    "url": "https://s3-eu-west-1.amazonaws.com/tiles.os.uk/styles/open-zoomstack-road/style.json",
+    "thumbnail": "https://maputnik.github.io/thumbnails/os-zoomstack-road.png"
+  },
+  {
+    "id": "os-zoomstack-light",
+    "title": "Zoomstack Light",
+    "url": "https://s3-eu-west-1.amazonaws.com/tiles.os.uk/styles/open-zoomstack-light/style.json",
+    "thumbnail": "https://maputnik.github.io/thumbnails/os-zoomstack-light.png"
+  },
+  {
+    "id": "os-zoomstack-night",
+    "title": "Zoomstack Night",
+    "url": "https://s3-eu-west-1.amazonaws.com/tiles.os.uk/styles/open-zoomstack-night/style.json",
+    "thumbnail": "https://maputnik.github.io/thumbnails/os-zoomstack-night.png"
   }
 ]
diff --git a/src/config/tilesets.json b/src/config/tilesets.json
index 5743fd7..3973b58 100644
--- a/src/config/tilesets.json
+++ b/src/config/tilesets.json
@@ -13,5 +13,10 @@
     "type": "vector",
     "url": "https://tile.thunderforest.com/thunderforest.outdoors-v1.json?apikey={key}",
     "title": "Thunderforest Outdoors (heavy)"
+  },
+  "open_zoomstack": {
+    "type": "vector",
+    "url": "https://s3-eu-west-1.amazonaws.com/tiles.os.uk/data/vector/open-zoomstack/config.json",
+    "title": "OS Open Zoomstack"
   }
 }