How We Can Help Early-Stage Startups
Your Technical Partner
You are building a prototype for your startup but are reaching your limits? You have tried working with freelancers, but are not happy with the process or results?
We support early-stage startups with senior engineering expertise, architecture, AI tooling, hiring, freelancer management - without the cost of a full-time CTO.
Dr. Philip Heltweg
Dr. Georg Schwarz
What We Have Helped Others With
- Plan technical architecture
- Provide honest technical feedback on an idea
- Choose the right technology and tools
- Improve an AI integration in a structured way
- Write a realistic technical roadmap
- Work effectively with freelancers and agencies
- Hire and evaluate first technical team members/CTO
How to Start
Book a free intro call or send an email directly to us. We will listen to where you are, what decisions you are facing, and whether we are a good fit. No commitment required.
About isselthal industries
isselthal industries is a small engineering firm, run by experienced engineers that love startups dealing with complicated problems. We work end-to-end, from the first whiteboard sketch to running systems, and optimize for your success, not billable hours.
Small & Hands-On
You directly talk to us and we implement what we discuss. No middle-layer of sales people or project managers.
Founder Background
We are founders ourselves and have experience across early-stage and production systems in demanding domains.
Product focus
We help you build a great product, not only tech. No need for detailed specs, talk with us about your goals.
Who We Are

Dr. Philip Heltweg
Product-Minded Engineer
Product-minded engineer with experience as a professional software engineer, technical product manager, and researcher in software engineering and data management. Philip helps teams connect complex technical work with practical product goals.
https://heltweg.org
Dr. Georg Schwarz
Infrastructure Engineer
Infrastructure engineer with extensive experience building and running reliable software systems. Georg manages deployments and cloud platforms, and combines full-stack engineering with experience in research experiments and research software.
https://georg-schwarz.comTalk to Us
We will listen to where you are, what decisions you are facing, and whether we are a good fit. No commitment required.