A/B-testing subscription for e-commerce

Same traffic.
More orders.

A senior CRO team that designs, codes and analyzes experiments on your store — for one flat monthly fee. No retainers, no percentage of ad spend, no slideware.

From €2,500/mo flat · pause or cancel anytime · tests live within days

GG-Engine · Test Vault LIVE
EXP-041Trust signals moved next to payment CTAWIN +8.2%
EXP-042Autoplay product video above the foldLOSS −1.4%
EXP-043Free-shipping progress bar in mini-cartRUNNING · d4
> queueing next experiment
Brands that test with us
KitchenAid Neuhaus Goodiebox DealerTrack PMI
The work

Before & after. With receipts.

Not redesigns — precise, tested changes. Two real examples from the vault: a store-locator flow rebuilt around appointments, and a KitchenAid product page tightened for add-to-cart.

Two before-and-after A/B test comparisons: a store locator page with +29% uplift and a product page with +19% uplift
Two experiments from the vault — +29% and +19% on their primary conversion metric.
Results

Numbers, not adjectives.

Every agency says “data-driven.” Here’s what our data actually says — including the number most agencies won’t publish.

+12.4%

Average conversion-rate lift per store, per year of testing.

34%

Of our tests beat the control. The rest lose or tie — and we publish that, because a vendor claiming 80% is guessing, not testing.

$5M+

Incremental revenue generated for clients through validated experiments.

Case · Goodiebox · Referral program
“Goodiebox’s referral program skyrocketed thanks to A/B testing. We increased invites sent by +118%.”
Anders Birk — Goodiebox
+118%invites sent, validated at significance
+€286,000measured impact on revenue

Why publish a 34% win rate? Because it’s real. Two thirds of well-built tests don’t beat control — knowing what doesn’t move your buyers is what stops you from redesigning your way into a revenue drop.

Process

Week one, not quarter one.

No discovery phase, no workshop calendar. Subscribe on Monday, and the machine starts the same week.

01

Subscribe & brain-dump

Pick a term, get your board, and request as many tests as you want — a Loom, a doc, a wireframe, a napkin sketch. We add our own ideas from a teardown of your funnel, scored by expected impact.

You get: a scored test backlog
02

We design & build

Hypothesis, mockup, code, QA — all in-house. Your dev team stays out of it entirely; we ship on top of your existing stack.

You get: mockups before launch
03

Tests go live

Simple tests are live in about two business days, complex ones inside a week. Then the data runs until significance — not until a meeting.

You get: live in 2–5 days
04

Readout, no theater

Plain-language results: what won, what lost, what it’s worth in revenue, and what we queue next. Everything lands in your test vault.

You get: win/loss/learn report

Honest volume math: unlimited requests, prioritized in a queue — typically 2–4 tests shipped per month depending on complexity. When your traffic can support more parallel tests, we scale up. When it can’t, we’ll say so instead of billing you for noise.

Pricing

One plan. Public price.
Pick your commitment.

No custom quotes, no “book a call to find out.” Everyone gets the same senior team and the same unlimited queue — the only variable is how long you commit.

Flat fee

Not a percentage of your ad spend, not hourly. Budget it like software.

Pause or cancel anytime

Between big pushes? Pause the subscription and keep your vault.

Senior only, in-house only

Design, code, QA and analysis by certified specialists. Nothing outsourced.

No dev tickets

We ship on top of your stack. Your engineering roadmap stays untouched.

€2,500 /month

Save €1,000/mo vs. monthly — €12,000/year back.

Every subscription includes

  • Scored backlog of test ideas — ours and yours
  • Unlimited test requests, prioritized queue
  • Mockup design for every experiment
  • Development & QA — no dev team needed
  • Plain-language results reporting
  • Your test vault: every win and loss, documented
Fit check, before you pay: if your store doesn’t have the traffic to reach statistical significance, we’ll tell you at the audit and send you away with the findings. Testing on thin traffic wastes your money — the math never lies.
Add-on · one-off

Data Tracking Setup €4,500

For when your analytics can’t be trusted yet. Measurement plan, tagging guide, and GTM implementation — so every test after it measures something real.

Add-on · one-off

Qualitative Insights €1,500

For when you know what’s leaking but not why. On-site polls, two user interviews, and an insights report that feeds the test backlog.

The math

Check whether we’re worth it. Before you book anything.

This is the same math we run in your audit. If it doesn’t work for your numbers, don’t hire us — seriously.

Your current monthly revenue
With +12.4% lift (our yearly average)
Yearly subscription (yearly term)€30,000
Extra revenue per year

+12.4% is our average annual lift across client stores. Yours may be higher, lower — or, if you don’t test, zero.

FAQ

Questions skeptics ask.

Fair ones, mostly. Here are the straight answers.

Do you guarantee results?

No — and nobody honestly can. A test’s impact is unknown until the data comes back; that’s the entire reason testing exists. What we do guarantee: senior specialists on your account, tests live within days, honest readouts, and a subscription you can leave any month.

Why is your win rate “only” 34%?

Because it’s the real number. Roughly a third of well-built tests beat control — the industry just doesn’t publish theirs. Every loser is logged in your vault, and knowing what doesn’t move your buyers is what stops the next redesign from quietly costing you revenue.

Why not hire a CRO manager in-house?

A good one costs €100k+ a year, needs a designer and a developer around them to ship anything, and sits underutilized between test cycles. This is that whole team for €2,500–3,500 a month — pausable when you don’t need it.

Is my store a fit?

Not always, and we’d rather say so early. Below a certain traffic and revenue baseline, tests can’t reach significance and you’d be paying us to measure noise. The free audit is where we check — if it’s a no, you keep the findings and your money.

How many tests do I actually get?

Unlimited requests, prioritized in a queue. Typically 2–4 tests ship per month depending on complexity — simple ones are live in about two business days, complex ones inside a week. When your traffic supports more parallel testing, we scale the volume up.

Do you need my dev team?

No. We design, code, QA and analyze everything in-house, on top of your existing stack. Your engineering roadmap stays untouched — that’s usually the moment the CTO stops objecting.

What happens when you get something wrong?

You hear it from us before you notice it yourself: what broke, what it cost, and how it’s fixed. Transparency is cheaper than churn — for both of us.

3 onboarding slots open this month

Get the audit. Keep the findings.

A free teardown of your funnel: where it leaks, what we’d test first, and what that’s worth. If we’re not a fit, you walk away with the list — no invoice, no 90 slides.