TÜV-certified AI Trainer

Custom GPT Development in Germany

A Custom GPT is ChatGPT with your industry knowledge, your prompts, your data — available 24/7 to you and your team. I develop Custom GPTs for financial advisors, insurance brokers and real estate professionals. From concept to launch in 1-3 weeks.

TÜV-certifiedKOMPASS up to 90%8 Keynotes

What you get

1

Fixed price (from €990): concept + prompt engineering + knowledge base + testing

2

GDPR-aware: hosted on EU OpenAI infrastructure with data processing agreements

3

Industry expertise: SCHUFA, KfW, AVB, property law conventions built in

Frequently Asked Questions

Do you build Custom GPTs in English?

Yes. Documentation, prompt engineering and training delivered in English. The Custom GPT itself can respond in German, English or both — your choice.

What does TÜV-certified AI trainer mean?

Hendrik Benevides holds the TÜV certification as an AI trainer — proving documented teaching competence and AI expertise. This is a key trust anchor for companies, KOMPASS funding applications and banking compliance.

What about data privacy?

Custom GPTs on ChatGPT Team/Enterprise come with full GDPR compliance and data processing agreements. We set up the proper infrastructure as part of the engagement.

Ready for the next step?

30 min free consultation — no commitment.

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Benevides KI

KI-Assistent

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Hey! 👋 Ich bin der KI-Assistent von Hendrik. Wie kann ich dir helfen?