Seed · AI & Machine Learning · Amsterdam, Netherlands · Founded 2025 · 2–10 employees
Promptwatch is an Amsterdam-based generative engine optimization and AI search visibility platform that helps brands measure, analyse and improve how they are mentioned and recommended by AI-driven search engines like ChatGPT, Claude, Gemini and Perplexity; founded in 2025 by Gijs de Groot and Klaas Foppen, it quickly scaled its product, signed notable clients and raised a €1.2M seed round led by Arches Capital to accelerate product development and team growth.