Contact Us

Contact Us

Use the contact form, send us an e-mail ( or give us a call in Germany +49 7531 94500 20, in the US +1 (301) 244 6335 or in New Zealand +64 (0) 20 4183 1943. You can always send us an e-mail in between and we will take care of your request as quickly as possible, often on the same day, no matter which option you choose: We are looking forward to your message, comments and questions! PS: For technical questions, it is best to use our free Micro-Consulting.

Whatever options you choose: we are looking forward for your e-mail, comments and questions!

From December 19, 2020 to January 10, 2021 we will be on Christmas vacation and therefore can only respond in urgent cases.
We will get back to you as soon as we can afterwards with a response to your request.


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By submitting your request, you consent to processing the data provided by you for the purpose of serving your request (data protection declaration and revocation)

I, Christian Johner, assure that your personal data will not be handed to any third party.

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Contact Options

  • Post or personal visit 
    • Germany: Villa Rheinburg, Reichenaustr. 1, 78467 Konstanz, Travel details
    • USA: 1738 Elton Rd., Suite 138 Silver Spring, Maryland 20903
    • New Zealand: 6e Pope Street, Addington Christchurch, 8011
  • Phone
    Germany: +49 (7531) 94500 20
    USA: +1 (301) 244 -6335&nbsp
    New Zealand: + 64 (0) 20 4183 1943
  • Email
    New Zealand: