News & Investors


Want to stay updated? Subscribe to our newsletters. For free.

Have questions? Our live support would be happy to help you.

Contact us


Media & Investor Relations Contact
Frederic Hilke (IR.on AG)
Tel +49 221 9140-970


WpHG-Voting Rights Notifications
Please send any notification of voting rights with reference to the German Securities Trading Act to the following fax number:
+49 30 24345-555
Or to the following e-mail address: