Clarity when everything moves fast.
MS618 is a tight team of senior specialists. No juniors, no padding — just people who have spent a decade mastering their craft and know where it's heading.
MS618 started out of frustration. With agencies that sell big and deliver with juniors. With reports stuffed full of metrics that don't move the needle. With an industry that feeds on complexity instead of results.
We do it differently. A strategic partner, not a vendor. One that challenges your thinking at board level and is straight with you about what works and what doesn't.
When AI makes everything possible, the real skill is knowing what to ignore. We give you that clarity. Not by doing more — by choosing better.
.618
MS618 comes from .618 — the golden ratio. A mathematical principle, discovered by Fibonacci, that appears throughout nature: the perfect balance between more and less. It's how we think about marketing. Not everything, but exactly the right things.
Proven, not promised.
Proven, not promised
Every project is done by specialists with more than 10 years of experience. No training programmes on your budget.
Strategy as foundation
Every campaign, every piece of content, every euro flows from a clear strategy. No loose actions, no FOMO-driven experiments.
Radical honesty
If something doesn't work, we say so. We report on business impact, not vanity metrics.
Built for the long term
We build structural growth, not quick hypes. What we set up will still be standing in five years.
Five specialists. No juniors. No noise.
We get involved when marketing becomes fragmented, tooling takes over, or visibility no longer generates growth. Experience counts when acceleration demands it.
Jorrit Miedema
Strategy, SEO & AI BSc, Information Technology12+ years of growth experience. Former full-service agency owner. AI-first since before ChatGPT. Combines systems thinking with rapid execution.
LinkedInJurjan Groothuis
Ads specialist MSc, International Management12+ years in performance advertising and growth strategy. Worked at Google HQ Dublin and led marketing and sales growth for multiple startups and scale-ups.
LinkedInPeter Ydel
Lead designer BSc, UX & DesignDeveloped campaigns and visual concepts for international brands. Translates strategy into design that builds trust.
LinkedInRamin Schultz
Growth hacker (Los Angeles) BSc, Information ManagementSilicon Valley experience. Worked for Nike, Uber and various startups and scale-ups. Brings international perspective and growth methodology.
LinkedInWouter van Haaften
AI strategy MSc, Information ManagementTranslates complex AI technology into clear, actionable solutions. The bridge between technology and strategy.
LinkedInThe office of the future is in Joure
MS618 is based at FJ08 — the eighth factory building of Douwe Egberts, on the waterfront in Joure. Restored with oak, walnut and raw steel. A place where people work, cook, make music and build things together. When AI handles the routine, this is what's left: thinking, making, collaborating. Not a corporate office. Something better.
Ready for direction?
in a time of acceleration?
Schedule a strategic intake. 45 minutes, no obligations. Just clarity on where you stand and where you can go.
Plan a conversationNo obligation. First conversation is free.