Subscription management

Keep your customers subscribed.

Billwerk+ One of the leading providers of subscription management and payment solutions in Europe



Thousands of companies of all sizes and industries are already able to fully exploit their revenue potential with Billwerk+ solutions by minimising costs and effort and simplifying the entire order-to-cash lifecycle. The flexible solutions are always at the cutting edge of technology due to the innovative roadmap with constant innovation cycles.

Billwerk+ also ensures full compliance with all European regulations.


  • GDPR and GoBD compliance
  • Developer-friendly API
  • Flexible, transparent pricing model for small and medium-sized enterprises
  • Integrated data export to financial accounting systems
  • Comprehensive support (in German)


Insights: What does the cooperation between doubleSlash and Billwerk+ look like?

Below we provide some insights into a collaborative project: and from different points of view!
Read the following blog posts to learn how the joint PoC worked – both from a doubleSlash and a Billwerk+ perspective:


"... A successful PoC for subscription integration with Billwerk+ & doubleSlash, proving that close cooperation with experienced partners enables us to optimally and comprehensively meet the needs of our customers..."

...see Billwerk+ blog post

"... Times Square. Loud, colourful and hectic. One billboard is more eye-catching than the next, and they’re all demanding attention and promising everything you could ever wish for. Without someone to guide you through, you soon feel lost and overwhelmed. The market for subscription management products could be described in a similar way ..."

... see doubleSlash blog post

Are you looking for the right billing provider? Get in touch and we’ll help you find the right solution in a few simple steps.

Your contact

Sandra Rueß
Subscription management consultant

+49 7541 70078-781