Growth Marketing Studio · Amsterdam

Turn marketing
into growth.

We connect strategy, content, search and customer experience into one flow — then prove what moves your business, and build on what works.

A growth team reviewing live campaign results together, Amsterdam skyline at night
Trusted by ambitious teams
Nyenrode KVK Ziggo DELTA Fiber I amsterdam nlgroeit
Why growth stalls

Growth isn’t a campaign.
It’s a process.

Most companies aren’t short on activity. You’re already creating content, running campaigns, chasing rankings, testing tools. What’s usually missing is knowing what actually moves the needle — where customers drop off, which message lands, which experiment deserves more budget. We bring strategy, creativity and experimentation together to find out, then build on what works.

What we do

Three capabilities.
One growth flow.

01

Content & Brand

Ideas people notice. Stories people remember.

  • Content strategy & copywriting
  • Storytelling & brand positioning
  • Creative that earns attention
02

Search & Discovery

Visible where people actually look.

  • SEO & content authority
  • Search behaviour & discoverability
  • Found where people look and ask
03

Journey & Conversion

Attention that turns into action.

  • Customer journey mapping
  • CRO & experimentation
  • Follow-up that drives action
WHY / HOW / WHAT — every capability, explained in outcomes.
How we work

Flow creates growth.

Understand

Create

Test

Learn

Scale

Customer behaviourSearch intentContent & creativeMeasured experimentsWhat actually works

We invest more in what works, and cut what doesn’t.

See where your own page stands before we test anything.

Start a Growth Scan
Real growth, not vanity metrics

Proof, not promises.

nlgroeit
Reach & conversion — 18 months
Individual channels performed significantly higher than the average.
GrowthExperimentationConversion
ITYM
640
Dutch organisations screened
We turned technical cybersecurity research into positioning, content and campaigns designed to make a complex B2B proposition relevant to Dutch SMEs.
ResearchPositioningContentGrowth
KVK
CRO & experimentation
Nyenrode
Content & SEO
Interpolis
Customer journeys
I amsterdam
Content & platform growth

You guys rock when it comes to bringing inspiration to the table and motivating the team to get things done. I hope to work with you more on future projects and I can recommend you to any company that wants to share its story and digitally optimize performance!

— Michiel, Youlynq.me
Where to start

From scan to sustained growth.

01

Growth Scan

  • Find where growth is waiting
  • Behaviour, visibility, content, journey, conversion
  • Clear priorities, no guesswork
02

Growth Sprint

  • Turn the strongest opportunity into proof
  • 4–6 weeks, built and run fast
  • One real, measurable experiment
03

Growth Program

  • Ongoing monthly experimentation
  • Insight → hypothesis → result → next
  • Learning faster than the market moves
Who you work with

Real People.
Direct communication.

You work directly with experienced specialists — not an account manager relaying your brief to someone else. A small core team, extended with specialist expertise whenever a project calls for it.

Direct accessno layers in between
Senior expertise10+ years, real clients
Extended networkspecialists on demand
Pieter and Ilja from the Waterproofmedia team
Ilja Content / Communication I amsterdam · Gemeente A’dam
Pieter Strategy / Marketing nlgroeit · KVK · Interpolis
The wider collective

Waterproof Freelance Network

Richard WinetRichard WinetAnimation, DesignNOB · VPRO · Studio Parkers
WillemWillemVisualsMediabox · Royal Panda
DavidDavidWeb DesignMediamatic · London Club
MachielMachielGreen MarketingLighthouse Media
SjorsSjors3D / VRHVA · Sunweb
XavierXavierTikTokNike · Everlast
Start with a Growth Scan

Ready to turn marketing
into growth?

Let’s find the opportunities worth testing first.

Waterproofmedia

Growth Marketing Studio, Amsterdam. Flow creates growth.

Capabilities
Content & Brand Search & Discovery Journey & Conversion
Growth
Growth Scan Growth Sprint Growth Program
Studio
Team Proof Contact
© 2026 Waterproofmedia
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