This website uses no cookies, no tracking and no embedded third-party services. Fonts and images are served from this domain.

1. Controller

nabla B Ingenieurbüro und Dienstleistungs-UG (haftungsbeschränkt), Herner Str. 299, Building B29, 44809 Bochum, Germany. Phone +49 234 58545811, e-mail office@nabla-b.engineering. Represented by Stephan Bökelmann.

2. Hosting (GitHub Pages)

This website is hosted on GitHub Pages, a service of GitHub, Inc., 88 Colin P. Kelly Jr. Street, San Francisco, CA 94107, USA. When you access the site, GitHub processes technically necessary data (IP address, time, page requested, user agent) in server log files to deliver the site and ensure security. The legal basis is our legitimate interest in a secure and efficient operation of the website (Art. 6 (1) (f) GDPR). GitHub is certified under the EU-US Data Privacy Framework. More: GitHub Privacy Statement.

3. Contacting us

If you contact us by e-mail or phone, we process your details to handle the enquiry and follow-up questions (Art. 6 (1) (b) GDPR for pre-contractual measures, otherwise (f)). Data is deleted once it is no longer needed for that purpose and no statutory retention obligations apply.

4. External links

This site links to external sites (e.g. maxclerkwell.tech, skainet.io, LinkedIn, GitHub, OpenStreetMap). Once you click, the privacy policy of the respective provider applies.

5. Your rights

You have the right of access (Art. 15 GDPR), rectification (Art. 16), erasure (Art. 17), restriction of processing (Art. 18), data portability (Art. 20) and objection (Art. 21). You may lodge a complaint with a supervisory authority; ours is the Landesbeauftragte für Datenschutz und Informationsfreiheit Nordrhein-Westfalen.

Last updated: 2026-09-01. The German version is legally binding.