Shared results: +$471,162/month · 7,509 active subscriptions · Revenue lift +€127,112
Every expert here shares real A/B test results, including the ones that lost. See their tests first, then book a call.
Conversionwise
Oliver co-founded Conversionwise and has spent 13 years helping ecommerce brands turn clicks into customers.
Syntra Labs
Dave builds and tests Shopify stores at Syntra Labs, and shares most results in public.
Maison Commerce
Kasper runs Maison Commerce, which builds CRO programs, landing pages and themes for fast-growing ecommerce brands such as ICON and HiStrips.
Scaling CRO
Peter runs Scaling CRO, which has run 1,000+ A/B tests for 8-figure ecommerce brands.
Tailored Commerce
Ruben runs CRO at Tailored Commerce for brands like Hears, Moov and FLÂNEUR.
CRO for $200k–$1M/month stores
Milos does CRO for stores doing $200k–$1M a month.
Olifant Digital
Alex is CEO of Olifant Digital, which scales Amazon and ecommerce brands.
CRO for 7- and 8-figure ecommerce brands
Josh does CRO for 7- and 8-figure ecommerce brands.
A good conversion rate optimization agency for a Shopify store is one that can show you real A/B test results, not just case-study screenshots. Every agency and expert on this page has published tests in our database, so you can judge their work by the numbers before you book a call. Pick the one whose past tests look most like your store's size, product and problems.
We only list practitioners whose tests appear in the LiftArchive test database. That database holds 285 ecommerce A/B test results, each credited to the person or team who ran it.
Nobody pays to be listed, and we don't rank anyone by fee. We do earn a referral fee from some agencies if you hire them through us, which is explained on our disclosure page. That fee never changes what you pay or which tests we show.
Every listing links to the practitioner's full test history on the practitioners page, including losing tests. A partner who shares losses is usually a partner who will tell you the truth about yours.
These are teams rather than solo consultants. They suit stores that want research, design, development and testing handled in one place.
| Agency | Best fit | Specialty | Example test |
|---|---|---|---|
| Scaling CRO (Peter Christensen) | 8-figure brands | Testing programs and in-house CRO teams | +41.42% CVR |
| Conversionwise (Oliver Kenyon) | Established DTC brands | Navigation, product pages, cart | +$151,192/month |
| Maison Commerce (Kasper Dolk) | Fast-growing brands | CRO programs, landing pages, Shopify themes | +$141,673 revenue lift |
| Tailored Commerce (Ruben) | Fashion and lifestyle brands | Product page offers and trust | +28% RPV |
| Olifant Digital (Alex Stoykov) | Amazon plus Shopify sellers | Bundles and cross-channel growth | +10.87% RPV |
Scaling CRO says it has run more than 1,000 A/B tests for 8-figure ecommerce brands. In our database, Peter Christensen saw +41.42% CVR after adding Warranty and Security trust buttons below add to cart and refreshing the product page.
Peter Christensen at Scaling CRO. Peter runs Scaling CRO, which has run 1,000+ A/B tests for 8-figure ecommerce brands.
Conversionwise has 76 tests in our database, the second-most of anyone. Oliver Kenyon, a co-founder with 13 years in ecommerce CRO, recorded +$151,192/month from a mega menu with category descriptions and a testimonial, and +€63,000/month from 60-day guarantee and easy returns blocks under Add to Cart.
Oliver Kenyon at Conversionwise. Oliver co-founded Conversionwise and has spent 13 years helping ecommerce brands turn clicks into customers.
Maison Commerce builds CRO programs, landing pages and themes for brands such as ICON and HiStrips. Kasper Dolk's benefit-led buy box on the product page produced a +$141,673 revenue lift at 100% confidence.
Kasper Dolk at Maison Commerce. Kasper runs Maison Commerce, which builds CRO programs, landing pages and themes for fast-growing ecommerce brands such as ICON and HiStrips.
Tailored Commerce works with brands like Hears, Moov and FLÂNEUR. Ruben saw +28% RPV from a one-click 10% extra discount banner above the add-to-cart button, and also published a countdown timer test that won on one brand and lost 9% CVR on another.
Olifant Digital fits brands selling on both Amazon and their own store. Alex Stoykov saw +10.87% RPV from a one-click "Frequently Bought Together" bundle.
A solo consultant usually costs less than an agency and you talk to the person doing the work. The trade-off is capacity: one person can only design and ship so many tests a month. See our full list of CRO consultants for more detail.
Dave Diederen at Syntra Labs. Dave builds and tests Shopify stores at Syntra Labs, and shares most results in public.
Prices vary a lot by scope and seniority. These ranges come from public pricing guides, not from the practitioners listed here, so ask each one for a quote.
Some agencies add a performance bonus on top of a base fee. Read the contract to see how "improvement" is measured before you agree to one. Our CRO pricing guide breaks down the models in more depth.
If your budget is tight, a one-off CRO audit is a lower-risk way to test a working relationship before signing a retainer.
Ask every candidate these questions:
Red flags include guaranteed percentage lifts, results reported after a few days, tests called "significant" with no sample size, and no access to your testing tool. More questions are in our guide to choosing a CRO agency.
Not sure who fits? Start with the practitioner whose published tests are closest to your store: same page type, similar price point, similar traffic. Browse their work by page in the test database, then book a call using the boxes on this page.
When you reach out, share your monthly sessions, conversion rate, average order value and the page you think leaks the most revenue. That lets any of these practitioners tell you quickly whether testing makes sense for you yet.
Josh Thompson. Josh does CRO for 7- and 8-figure ecommerce brands.
Ruben at Tailored Commerce. Ruben runs CRO at Tailored Commerce for brands like Hears, Moov and FLÂNEUR.
