How can I help you?
EST. 1983 — ALWAYS BUILDING
Entrepreneur. Maker. Curious human.
I turn ideas
into reality.
I’m Gijs. I build startups and help entrepreneurs bring their next idea to life. With experience, curiosity and the power of AI. Join my mailing list for occasional new articles and lessons from my projects.
Always working on a new idea
My ideas, out in the worldRostrioPersonal
User GuideNextPromptMorphyBirthday Kings
User GuideNextPromptMorphyBirthday Kings
01From idea to startup
Dreamed up.
Built from scratch.
The best way to learn? Make something. These are the ideas I’m building myself.
Explore the startups01 / Identity tech
Since 2009
Rostrio
Create, check and collect official ID photos. For people, businesses and organisations around the world.
02 / Human connection
Since 2018
Personal User Guide
A personal guide that helps others understand you. For better collaboration and more meaningful conversations.
03 / Social gaming
Since 2018
Birthday Kings
Claim your birthday throne and defend your crown. An online game with rivals, leaderboards and a kingdom for every day.
04 / Applied AI
Since 2025
NextPrompt
Make AI useful in everyday work. A learning environment for professionals, teams and trainers.
05 / AI visualisation
Since 2026
Morphy
Let clients preview their next haircut, tattoo or smile. AI-generated visuals through WhatsApp, right in the consultation.
06 / Art & commerce
Since 2026
Iconic Wall Prints
Build your own gallery wall with portrait prints of icons from film, music, sport and culture. Pick your favourites and get them delivered through your letterbox.
02A new way to build
Good ideas.
Great vibes.
Real software.
You see an opportunity. Together, we turn it into working software. With vibe coding, I combine AI with years of entrepreneurial experience — from the first prototype to a product you can actually use.
Explore vibe coding03Client stories
Working together,
in their words.
“He works quickly, is easily accessible and, above all, innovative.”
“Working with Gijs is an absolute pleasure!”
04Hi, I’m Gijs.
A head full of ideas.
Two hands to build.
In 1997, at fourteen, I sold decorative pumpkins door to door. These days, I build online products, work from different cities and still feel most at home making something new.
Read the story behind the makerIt starts with a conversation
Got a good idea?
Let’s make it real.
A new product, a smarter process, or just a question. I’d love to think it through with you.
Discuss your idea