Expert engineering for problems that matter.

Isselthal Industries is a boutique engineering firm. We do technical due diligence, architecture assessments, and complex data and software engineering, for clients who can't afford to get it wrong.

🇩🇪 Germany • 🇫🇷 France • Worldwide

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Dr. Philip Heltweg

Dr. Georg Schwarz

Who We Are

Dr. Philip Heltweg

Dr. Georg Schwarz

How We Work

End-to-End Responsibility • We get involved early and stay until it's done. We help shape requirements, challenge assumptions, and take ownership of the outcomes.

Long-term Partner • We optimize for your success, not our billable hours. That's the right thing to do and, frankly, how we get good work.

Engineers Who Ship • We don't just advise, we build. Our consulting is grounded in the experience of people who have shipped production systems and lived with the consequences. Engineering-first, always.

What We Do

Technical Due Diligence

Before a significant decision, acquiring a company, hiring a CTO, choosing a platform, you need an honest technical read from someone with no skin in the game. We provide fixed-scope, fixed-price assessments with a clear verdict and the reasoning behind it.

Engineering Assessment & Architecture Review

Microservice architectures have a way of becoming ungovernable. We assess the full picture: service design, platform engineering, deployment, observability, and organizational alignment, and tell you exactly what to fix first. We help you regain control over complexity.

Data Engineering & Research Data

We work with complex data: open data, research data, pipelines that span messy organizational boundaries. We can design and build data platforms, but we start by understanding your data the way a researcher would, through structured interviews with the people who know it best.

Complex Problem Engineering

Some problems need someone who can own them end-to-end. We take on hard, ambiguous engineering challenges from first principles: requirements, design, prototype, production, without needing to be managed closely.

Research

We are active researchers in software engineering and data management. Our consulting work informs our research and vice versa. We publish, we present, and we stay close to the academic communities where hard problems get solved first.