diff --git a/routes/invite.js b/routes/invite.js
index 22082f2..af6a6a4 100644
--- a/routes/invite.js
+++ b/routes/invite.js
@@ -2,6 +2,7 @@
 
 var validator = require('validator');
 var slack = require('../services/slack');
+var github = require('../services/github');
 
 module.exports = function (app) {
   /*
@@ -21,16 +22,28 @@ module.exports = function (app) {
 
     slack
       .createInvite(req.body.email)
-      .then(success)
-      .catch(function(err) {
-        var message = 'Creating automatic invitation failed for: ' + req.body.email + ' reason: ' + err;
-        return slack.createMessage(message);
+      .then(function() {
+        github
+          .findUserByEmail(req.body.email)
+          .then(github.inviteToOrg)
+          .then(function(user) {
+            var message = 'User ' +  user.login + ' invited to GitHub organization.'
+            slack.createMessage(message);
+          })
+          .catch(function(err) {
+            var message = 'Creating GitHub invitation failed for: ' + req.body.email + ' reason: ' + err;
+            slack.createMessage(message);
+          });
       })
       .then(success)
       .catch(function(err) {
+        var message = 'Creating automatic invitation failed for: ' + req.body.email + ' reason: ' + err;
+        slack.createMessage(message);
+
         console.error(err);
-        var err = new Error('Creating slack invitation failed');
-        return next(err);
+
+        var error = new Error('Creating slack invitation failed');
+        return next(error);
       });
   });
 
diff --git a/services/github.js b/services/github.js
index 7fab587..1c7b0b9 100644
--- a/services/github.js
+++ b/services/github.js
@@ -53,6 +53,26 @@ module.exports = {
           reject(error);
         }
         resolve(response.body);
+  /**
+   * Invite user to organization
+   */
+  inviteToOrg: function(user) {
+    return new Promise(function(resolve, reject) {
+      request
+      .put('https://api.github.com/orgs/koodiklinikka/memberships/' + user.login)
+      .set('Authorization', 'token ' + config.github.token)
+      .send({role: 'member'})
+      .end(function(error, response){
+
+        if(error) {
+          return reject(error);
+        }
+
+        if(response.statusCode !== 200) {
+          return reject(response.error);
+        }
+
+        resolve(response.body.user);
       });
     });
   }