diff --git a/socrates/lib/site/sponsors.json b/socrates/lib/site/sponsors.json
index db9aa3490..548d940e2 100644
--- a/socrates/lib/site/sponsors.json
+++ b/socrates/lib/site/sponsors.json
@@ -14,6 +14,11 @@
     "url": "http://www.codurance.com",
     "logo": "codurance160.png"
   },
+  {
+    "name": "Holisticon AG",
+    "url": "http://www.holisticon.de",
+    "logo": "holisticon160.png"
+  },
   {
     "name": "improuv GmbH",
     "url": "http://www.improuv.de",
@@ -78,5 +83,10 @@
     "name": "TNG Technology Consulting GmbH",
     "url": "http://www.tngtech.com",
     "logo": "tng160.png"
+  },
+  {
+    "name": "Wikimedia Deutschland e.V",
+    "url": "http://www.wikimedia.de/",
+    "logo": "wikimedia160.png"
   }
 ]
diff --git a/socrates/public/logos/wikimedia160.png b/socrates/public/logos/wikimedia160.png
new file mode 100644
index 000000000..65612f381
Binary files /dev/null and b/socrates/public/logos/wikimedia160.png differ