About Arcken

Why we built Arcken.

A Netherlands-based AI-native build studio. Three founders in Amsterdam, and a Board of Advisors who operate the same markets we sell into. We ship builds, not hours and not seats, and we say why below, in our own words.

From the founders

Why we built Arcken, in our own words.

The only page on the site in the founder voice. Everywhere else, Arcken speaks as a team.

We started Arcken because the category we belonged in didn’t exist.

Agencies sell hours, and the moment the retainer ends, so does the work. SaaS companies sell seats on a product built for the median customer, not yours. Neither of those matches how AI-native software actually gets built in 2026: closer to a live deployment than a licensed product, more configured than generic, funded by what it does rather than by how many chairs sit in front of it.

A studio that ships builds, runs them like infrastructure, and turns them into products only when the customers are there to justify it, is what we set out to be. Our first build runs today for a Dutch mobile telecoms operator’s renewal flow, in Dutch, on WhatsApp, inside the commercial guardrails their team set. Four weeks from SOW to live. A per-event fee keeps it maintained. When it earns enough customers to become a full product, it will. Until then, the shape is the shape.

Arcken is small on purpose. With three advisors who built businesses in exactly the markets we sell into.

Martijn Jaartsveld
Tije Friederichs
Julius Peter

Martijn Jaartsveld, Tije Friederichs & Julius Peter

Amsterdam · 2026

2025
Founded in Amsterdam
4working
The team in Amsterdam today
7live
Launch customers in production
3live
Products in production

The working team

Three people, one engagement at a time.

Smallness is a feature. We’d rather do ten engagements properly than lose context on a hundred. If you hire us, the two or three people signing the SOW are the two or three people on your pilot call.

Martijn Jaartsveld01 · Founder
AmsterdamEngineering
Co-founder

Martijn Jaartsveld

Leads the build: architecture, model choice, the day-to-day pragmatism of shipping builds to production.

Amsterdam
Tije Friederichs02 · Founder
AmsterdamCommercial
Co-founder

Tije Friederichs

Leads commercial engagements and the launch-customer process. The person you meet on the first call.

Amsterdam
Julius Peter03 · Founder
AmsterdamCreative
Co-founder

Julius Peter

Leads the creative side: brand, visual identity, the shape of every deliverable. The reason the work looks like itself.

Amsterdam

Board of Advisors

Three operators who built in the markets we sell into.

A small studio with a Board of Advisors reads as institutional for a reason. They advise us, they are named, and each one sharpens a different edge of the company.

Christine Koetsier

Christine Koetsier

Founder, Fem Capital Salon & GEM Partners

Sharpens us on customer relationships, partnerships, and company building: who to be in the room with, and what a studio needs in place before it can grow.

AmsterdamPartnershipsCompany building
Leon Winkes

Leon Winkes

Founder & CEO, IWB · ex-Google

Sharpens us on the commercial side: pipeline shape, pricing conversations, and the kind of customer to say no to.

AmsterdamGrowthex-Google
Marko Teodorovic

Marko Teodorovic

Managing Director, Optinno Technologies

Sharpens us on the product side: what to build, what to refuse to build, and how a small technical team ships something defensible.

The HagueDeep techComputer vision
Now the sales call

Book thirty minutes. Yes or no in the same call.

The quickest way to know whether Arcken is the studio for your problem is the first call. Tell us the problem in one paragraph; we’ll tell you on the call whether we can ship in four weeks, eight, or not at all.