Thierry Gustin, GEO & SEO Consultant in Madrid
Thierry Gustin is a GEO and SEO consultant based in Madrid. He helps French and Spanish businesses get found on Google and cited by AI assistants (ChatGPT, Perplexity, Gemini, Claude, Google AI Overviews). He created the open-source tools Arachnide SEO Spider and Vigie and is the author of La Bible de Claude AI.
What is my background?
Until 2011
an optician, managing a lens-mounting workshop in France. I learned precision and a sense of service there.
2011
I move into the web as a WordPress and SEO consultant at HumanPress, where I stay until 2024.
2014
I launch my independent SEO consulting business from Spain.
2026
I write La Bible de Claude AI, which becomes an Amazon best-seller, found GustinAI and develop DelfOnline.
October 2026
I release Arachnide SEO Spider, then Vigie, as open source.
Alongside this, cooking has always played a big part in my life, to the point that I worked as a chef. This range of careers taught me one thing: you can learn a lot, quickly, especially with good tools.
How do I work?
- I work alone, with AI as my team: you always speak to the person doing the work.
- I don't promise guaranteed rankings or citations: I commit to a method, documented actions and honest measurement.
- I test everything on my own projects before offering it to clients.
- One belief guides me: time is what we make of it. Used well, AI frees up a lot of it, and I help you get it back.
Which books have I written?
- The Claude AI Bible (opens in new tab) : the English edition of La Bible de Claude AI, an Amazon best-seller.