my image Some great alternative text

This website


The colophon contains a brief statement on who we are and what we used to build our website and service.

my image Some great alternative text

UNLESS is a trade name of Rocket Launcher (international trademarks pending). Rocket Launcher is a company registered at the Chamber of Commerce in Amsterdam, The Netherlands, under registration number 65190645 . Our VAT number is NL856013389B01.


The company is registered at the following address.

Rocket Launcher BV
C. Kruyswijkstraat 31
1022 KJ Amsterdam
The Netherlands

However, we are headquartered at the Herengracht, overlooking the canal ring in the city center of Amsterdam. You can visit us there:

Herengracht 472
1017 CA Amsterdam
The Netherlands

About Rocket Launcher

Rocket Launcher was started by Marcel Panse and Sander Nagtegaal, as the holding company for their brand Unless.

About this website and the service

This website is built with Astro and deployed as static files to S3. The underlying UNLESS service is based on a serverless architecture using S3, Cloudfront, Amazon API Gateway, Lambda functions, DynamoDb, Firehose and Redshift. These are all services offered by Amazon Web Services. Besides that, it uses several AI models offered by vendors like Microsoft.

my image Some great alternative text

Friendly support from real people

We’re here to help

We are known for our quick responses if you have an issue. Feel free to ask us anything. But you can also ask our conversational AI a question, of course!