
From 0 to successful in-house A/B Testing Program. Built, proven, and handed over.
™
Proven ROI of 30%+
Our team first, hire later
Setup, Teach & Exit
No Endless Retainers
philosophy
You can’t rent Experimentation.
You need to own it.
A/B testing grows companies. To do it right, it belongs in the DNA of your organization. We help companies that do $100M+ yearly get there.
We help install an in-house experimentation system in 12 months.
From the start we collaborate and engage multiple stakeholders. We Research & run your Experimentation Program like any other top-10% CRO Agency, the difference is: we the endgoal to make you self sufficient. Slowly the program transforms from done-for-you to done-with-you.
To do so we need to increase resources for your team. We prove ROI and strategic value of experimentation to leadership to help you gain resources or priorities to bring this in-house.
In the last phase of ourprogram we will audit your org to find all opportunities to build the best data-driven org.

Companies that Experiment grow exponentially compared to the ones that don't. (Experimentation Works, Stefan Thomke , 2020)



Phase 1: CRO Research, Audit & Connect
An Audit & Ideation session is the foundation for Experimentation Strategy. This also includes 25+ tactical a/b tests. The mechanism of the workshop will connect teams and stakeholders across the organization.
25+ tactical recommendations
Connecting teams & stakeholders
A/B testing Strategy
Phase 2: Run & Build Experimentation Program
We build the process while running A/B tests. This will be the blueprint for the coming years of your experimentation habits and culture. Including: a positive business case for Experimentation.
1 to 10 a/b tests a month
Expect 30%+ ROI, focus on YoY growth.
Done for you first, done with you later.
Phase 3: Maturity Audit, Hiring & Smooth hand-over
We audit the organization to spot opportunities to keep building out the data-driven org. If there’s room for hiring we outline the right profiles & help with our global network. We teach & transfer knowledge.
Organization Maturity Audit
Hiring support
Smooth transitioning











Experimentation Gap
Your team is state-of-the-art, but you're not running experiments yet?
Plenty of succesful companies are not using the lever of Experimentation to grow. This is what we call the Experimentation Gap. One of our clients, a $293.4 million company, didn’t run experimentation yet until recently. A B2B Saas client of ours ($1.09 billion company) didn’t run A/B tests yet until a few years back.
Tell you what…
Now they experiment.
free advice
Still need to find your Initial testing tool?
Want advice on which testing tool to go with for your situation? Take the test. Get a top-3 of tools. Take the demos. Follow our free guide to help you know which questions to ask.
Case studies

Independer, the $70M+ Dutch corporation, scaled to 37 A/B tests a month
Nominated for the Experimentation Elite Agency Award 🏆. They now have an in-house team.

Semrush achieved leadership buy-in and now runs a succesful in-house program
4 A/B tests a month experimentation program (2026) and ideation workshops + 2 A/B tests a month (2025)

Modulari.com runs the Initial A/B testing Program, accelerating the growth of webshops in Europe.
Initially 3 A/B tests per month. Scaled two other European webshops. Average ROI for this program: 120%. Hired an in-house CRO Specialist.

Startup Smartwatchstraps sets up Initial and grows webshops throughout Europe
Scaled from zero tests per month to 20+ internationally. Setup 10+ AI Automations.for CRO and Shopify.

Experimentation Bootcamp & Tool advice
We led workshops to get the team started and helped them find an a/b testing tool.
Meet the team
Our dedicated team

Ran 1,000+ A/B tests
Keynote Speaker
3x award winner

ex-TomTom
AI Fluency Club
2x award winner

20+ yrs Software Engineer
Technical setup
Hiring

Supporting projects
at The Initial and Women in Experimentation

CRO through AI
Automates workflows to speed up the process
Cristina
CRO Strategist & UX Design
Muhammad M.
Developer
Kathleen Asjes
UX Research
You?
Keep an eye out for vacancies on our Linkedin Page.
awards
Award-winning team.
CRO Thought Leadership Award by Kameleoon
Experimentation Culture Community Award
How we stand out
The differences
Running A/B tests
Integrating other teams
Helps you hire your in-house team
Teaching & smooth hand-over
6-12 months project based
hands-on advice for your situation
What to know how much value Experimentation can bring to your businesss?
walk away with a clear plan to build Experimentation in-house
We calculate the potential revenue from an a/b testing program
Learn how to build a solid business case for Experimentation.
2 episode a month
The Initial Podcast
How did other brands built their Experimentation Programs & data-driven mindset?
How it works
For agencies
A brand by Increase Conversion Rate.com
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