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Tech42 Software Solutions GmbH
Tech42 Software Solutions GmbH — Hamburg software studio with a senior engineering team

Company

Software development with substance.

Tech42 Software Solutions GmbH is a Hamburg software studio for small and mid-sized businesses. We build custom software and partner with our clients on their digital transformation — pragmatically, reliably, with senior experience.

Mission

What drives us.

Mid-sized German companies need software partners who deliver — with clear technical decisions and the understanding that technology serves the business, not the other way around.

Our goal: that mid-sized German companies ship software projects that hold up in the market — today, in five years, in ten. With the right architecture, clean engineering, and partners that think long-term.

Story

Background.

Tech42 was founded out of a deep passion for technology — and the conviction that innovative software engineering can be pragmatic, clean, and close to the client. Hamburg is home. Our focus has always been on small and mid-sized companies that need bespoke software but don’t want corporate-firm structures.

We build the software we recommend — from architecture to code, from pilot to production. Where AI today creates real value, we integrate existing services like Claude, OpenAI, or Azure AI — pragmatically and GDPR-compliant.

How we work

Three principles we hold ourselves to.

Pragmatic, not dogmatic.

Good architecture is a means, not an end. We decide based on the outcomes that matter for your project — not based on whichever method happens to be fashionable.

Partner, not vendor.

Our best relationships are long-term. We want to understand your business, think alongside you, and share ownership — not just close tickets.

Transparent, honest, German.

Clear quotes, clear communication, clear GDPR posture. No surprises, no hidden clauses, no lock-ins.

Who’s behind Tech42

Led by an engineering practitioner.

Jan Raddatz, Managing Director of Tech42 Software Solutions GmbH

Managing Director & Founder

Jan Raddatz

17+ years of experience as software consultant, architect, and engineer — including several years in Australia in advisory and team-lead roles. Today Jan runs Tech42 Software Solutions GmbH from Hamburg with the goal of giving German SMEs a reliable, competent partner for their custom software development.

Let’s talk about working together.

No-obligation first call — with a concrete assessment on fit and next steps.