Privacy Policy & Terms of Use

Who we are

Legal name: The Extremely Useful Company B.V.

Statutory registration number71006222

Full official address: Zonnebloemstraat 30, 2223 VC Katwijk, the Netherlands

VAT registration number: NL8585.43.552.B01

What personal data we collect and why we collect it

Contact forms

If you chose to contact us via the contact form on our web site, any information you provide will be sent to us. We will use this information to make contact with you. Your data is not stored on our web server.

We may use a third party service to detect and reduce spam or fraudulent responses.


We check for a cookie to see if you are logged into the site. This cookie is automatically deleted at the end of your session and contains no personally identifiable information.

The front page contains a Google Maps element. This may access your Google cookie (if you have one) to personalise the map content you see on our site. We can not access the information stored in this cookie and we do not process or retain a copy of it. You may adjust your Google cookie settings by visiting Google.

Embedded content from other websites

Pages on this site may include embedded content (e.g. videos, fonts, scripts, images, maps, etc.). Embedded content from other websites behaves in the exact same way as if the visitor has visited the other website.

These websites may collect data about you, use cookies, embed additional third-party tracking, and monitor your interaction with that embedded content, including tracking your interaction with the embedded content if you have an account and are logged in to that website.


We gather anonymous data to analyse the number of visitors to our web site and to perform basic analytics. This data is stored on our web host. We do not perform cookie-based analytics.

How long we retain your data

If you send us a comment via the web site, we will retain your comment information in order to process and respond to your inquiry. We store access log data for a maximum of 30 days.

What rights you have over your data

You may request that we erase any personal data we hold about you. This does not include any data we are obliged to keep for administrative, legal, or security purposes.