B.Wyz

Custom Software Development for Germany

B.Wyz builds custom software for German companies — operational systems and integrations, with German hosting, GDPR by architecture and documentation buyers accept.

In short

B.Wyz builds custom software for companies in Germany: operational and internal systems, ERP-adjacent platforms, customer portals and integrations with existing software. Delivery runs from the Paris and Brussels teams in Central European hours, with German or EU data residency and GDPR treated as architecture decisions rather than a pre-launch compliance exercise.

What German Projects Require

Documentation as a deliverable

German procurement expects specification, architecture and security documentation. Produced during the project, it costs little; assembled afterwards, it costs a great deal.

GDPR in the architecture

Lawful basis, retention, deletion behaviour, access control and the subprocessor chain decided before build, not audited after it.

German or EU hosting

Hosting region agreed at the start, with subprocessors documented rather than assumed.

Integration with existing systems

Most Mittelstand projects are integration projects. The existing ERP and accounting systems are usually staying.

The Mittelstand Pattern

The most common brief we receive from established German companies is not a replacement system. It is a custom operational layer over software that is staying — connecting ERP, production, logistics and finance so people stop maintaining the spreadsheet that reconciles them.

That is usually a fraction of the cost of replacing anything, and it carries far less operational risk for a business that cannot pause.

How Delivery Runs

  1. Process mapping

    How the operation runs now, including the workarounds — which is where the real requirements are.

  2. Architecture and data decisions

    Hosting, data handling and integration boundaries agreed and documented before development begins.

  3. Phased delivery

    Usable releases in sequence, so the business gets value before the whole system is finished.

  4. Documented handover

    Code in your repositories with documentation your own team — or an auditor — can follow.

Germany
Questions

Yes. German or EU data residency is agreed at the architecture stage with the subprocessor chain documented, using German regions on the major cloud platforms.

Yes. Specification, architecture and security documentation is produced during the project rather than assembled afterwards, which is both cheaper and more accurate.

Yes, and for most established German companies that is the better approach. A custom operational layer integrated with an ERP that is staying in place carries far less risk and cost than replacing a working finance system.

Building custom software in Germany?

Tell us what is staying and what is breaking. We will design the layer between them.

Discuss your project