Privacy policy

Mesttest will do everything possible to respect your privacy and guarantee the confidentiality of your personal data. To safeguard your privacy, Mesttest always acts in accordance with the General Data Protection Regulation. This privacy policy applies when you visit the websites and/or or contact Mesttest in another way. Therefore we advise you to carefully read this privacy policy. If you have any questions or comments, please contact us at or

Person Responsible

Ciska Ketelaar, owner of Mesttest, is the person responsible for data processing. In this privacy policy we will explain which personal data we collect and use and for which purpose.

This privacy policy was last updated on: 28 May 2018.

Use of Personal Data

Mesttest uses the following personal and statistical data:

  1. Name, address, email address, phone number (optional) and VAT identification number (optional) when registering for a course. Your data is used for organising the course and for billing.
  2. Name, address, email address, phone number (optional) and VAT identification number (optional) when purchasing (a) product(s) in our webshop Your data is used for billing and for sending the product to you.
  3. Name and email address when answering your question via the contact form.
  4. Name and email address when sending you newsletters.
  5. Name and bank account number for payment of a course and/or product.
  6. Statistical data: IP-address, type of browser, website visited to connect to ours, system configuration, the pages you visit on Mesttest including date and time. This data, except for the IP-address, is visible in the statistics.

Mesttest stores and uses only the personal data you provide us with directly.


Registering for a Course

You can register for a course via our webshop Your personal data is used for billing and for organising the course. Your bill will be reported to the German tax authority. In accordance with German law bills are stored for ten years.


Purchasing a Product

You can purchase a product via our webshop Your personal data is used for billing and for delivering your purchase to you. Your bill will be reported to the German tax authority. In accordance with German law bills are stored for ten years. Your purchase is sent to you using PostNL or Deutsche Post.


Paying for a Course and/or Product

If you pay with iDEAL/MisterCash/Bancontact/Sofort Banking the payment will be carried out by payment service provider This company stores bank data in their system.

If you pay with Paypal, you will log in with your Paypal user name and password on the Paypal site.


Contact Form

If you fill out a contact form on our website or send us an email, the data you send us will be  stored for as long as necessary for the contents of your email and for answering your question completely.



We offer a newsletter in which we inform interested parties about new developments, products and/or services. Only with your prior consent your email address will be added to the list of subscribers. Each newsletter contains a link for unsubscribing.

For sending our newsletters we use Mailchimp. Mailchimp has secured their systems well and observes confidentiality when using your data. Mailchimp is based in the US and has a EU-US Privacy Shield certification. Mesttest signed a data processing agreement with Mailchimp.


Statistical Data

Mesttest resides on servers of STRATO. STRATO logs data which are visible for Mesttest in the statistics. STRATO stores IP-addresses of website visitors for a maximum of seven days in so-called log files to identify and block cyberattacks. After seven days STRATO deletes the IP-addresses.

Mesttest signed a data processing agreement with



We handle your data confidentially and do not disclose it.



We took fitting technical and organisational measures to protect personal data from unlawful processing. and are secured completely with a SSL (Secure Sockets Layer) connection which protects all information between you and our websites while entering your personal data.


Third Party Websites

This privacy policy does not apply to websites of third parties connected to this website by links. We are not able to guarantee that these third parties use personal data in a trustworthy and secure manner. We advise you to read their privacy policies before you use these websites.


Modifications of this Privacy Policy

We are not able to rule out the possibility that our services may change in the future, therefore certain parts of this privacy policy may change as well. We advise you to check this privacy policy on a regular basis to keep up-to-date about these changes. The last updated date is stated at the beginning of this page.


Right to Access

Mesttest offers you the right to access and, if applicable, rectify your personal data. Requests for accessing, rectifying or erasing personal data will be processed and answered by Mesttest within an adequate period of time.

Mesttest will honour requests for erasing personal data if possible, unless this data needs to be stored to comply with laws and regulations or on account of legitimate interest.


Retention Period

Personal data is not stored longer than necessary for the processing of this data for the above mentioned purposes.



If you have a complaint about the processing of your personal data, please let us know immediately. If we cannot solve the matter together, naturally we regret this. You always have the right to submit your complaint to the “Landesbeauftragten für Datenschutz und Informationsfreiheit Nordrhein-Westfalen“, This is the German data protection authority in the federal state Mesttest is based in.



If you have any questions or comments regarding our privacy policy, please contact us at or

For European companies (except Germany) orders are exempt from VAT. Enter the VAT number with the order. Dismiss