diff --git a/programs/firefox/bookmarks/bookmarks.json b/programs/firefox/bookmarks/bookmarks.json
index 70120d7..e67fe31 100644
--- a/programs/firefox/bookmarks/bookmarks.json
+++ b/programs/firefox/bookmarks/bookmarks.json
@@ -101,6 +101,14 @@
     "name": "Work",
     "bookmarks": [
       { "name": "Nucleus", "url": "https://nucleus.ukaea.uk/" },
+      {
+        "name": "Marval",
+        "url": "https://marval.service.ukaea.uk/MSMSelfService/Index.aspx"
+      },
+      {
+        "name": "U4BW",
+        "url": "https://ubw.unit4cloud.com/uk_aea_prod_web/Login/Login.aspx"
+      },
       {
         "name": "JET",
         "bookmarks": [
@@ -115,19 +123,41 @@
           },
           { "name": "DVCM Homepage", "url": "https://dvcm.jetdata.eu/" },
           {
-            "name": "JET Data Services",
-            "url": "https://data.jet.uk",
-            "tags": ["data"]
+            "name": "Data",
+            "bookmarks": [
+              {
+                "name": "JET Data Services",
+                "url": "https://data.jet.uk",
+                "tags": ["data"]
+              },
+              {
+                "name": "PPF Query",
+                "url": "https://data.jet.uk/ppf/browse/ppfquery",
+                "tags": ["data"]
+              },
+              {
+                "name": "ReqCo",
+                "url": "https://data.jet.uk/reqco/myrequests",
+                "tags": ["data"]
+              }
+            ]
           },
           {
-            "name": "PPF Query",
-            "url": "https://data.jet.uk/ppf/browse/ppfquery",
-            "tags": ["data"]
-          },
-          {
-            "name": "ReqCo",
-            "url": "https://data.jet.uk/reqco/myrequests",
-            "tags": ["data"]
+            "name": "Mimics",
+            "bookmarks": [
+              {
+                "name": "Countdown",
+                "url": "http://webmimic.jet.uk/mc/codas/countdown"
+              },
+              {
+                "name": "KS5",
+                "url": "http://webmimic.jet.uk/DG/codas/ks5.mim.html"
+              },
+              {
+                "name": "KT3",
+                "url": "http://webmimic.jet.uk/DG/codas/kt3spec.mim.html"
+              }
+            ]
           }
         ]
       },