Landing page design services plan, write, design, build and test a page for one traffic source and one offer, such as a Meta ad campaign or a product launch.
The best ones prove their pages with A/B tests instead of handing over a mockup.
Every agency listed below has published real landing page tests on LiftArchive, so you can check their results before you book a call.
What landing page design services include
A full service covers research, copy, design, development and QA.
Design alone is the smaller part. Most of the lift in our database comes from what the page says and in what order, and from how well it matches the ad that sent the visitor.
For ecommerce brands buying paid social traffic, agencies mostly build four page types: advertorials, listicles, presell (bridge) pages and offer pages.
The tests below show why so many brands pay for them:
- Oliver Kenyon's team sent cold traffic to a listicle-style presell page instead of the product page for +47% CVR.
- Kasper Dolk sent cold ad traffic to a pre-sell bridge page and cut CAC from €22.10 to €5.37.
- Peter Christensen launched advertorial-style landing pages for paid traffic and got -35% CPA at the same spend.
How the page is built matters too. Oliver Kenyon rebuilt a landing page natively in Shopify instead of a page builder and saw +20.9% revenue per visitor.
Peter Christensen moved a $600+ AOV offer page from SamCart to PageDeck for +20% conversion rate.
Ask any agency which platform they build on and who maintains the page after launch.
Before you hire anyone, compare your current numbers against our landing page conversion rate benchmarks.
If you want to fix the basics yourself first, work through the landing page checklist.
Landing page optimization services
Optimization is the ongoing part: the agency tests changes on pages you already have and keeps the winners.
Ask for it even if you only need one new page, because a redesign that has not been tested is a guess.
Redesigns lose more often than agency portfolios suggest.
Clean Commit rebuilt a hockey page on another sport's layout and lost 38.5% of conversions.
In a lead-gen test, Uncommon Knowledge's modern opt-in page redesign lost, and the original got 19.55% more sign-ups.
An agency that tests its own work catches these before they cost you a quarter of revenue.
Small changes on a working page also add up.
Dave Diederen moved a week-by-week results timeline higher up a listicle for +26.72% revenue per visitor, and Peter Christensen moved a "How it works" section further down a page for +16% conversion rate.
@oliverkenyon
@DaveDiederen
@kasper_dolk@kasper_dolk
@peterac_
Clean CommitBrowse every result on our landing page tests page, or read the full method in our landing page optimization guide.
Landing page agencies with published test results
Each practitioner below has shared landing page tests in our database.
We describe only the services listed on their own websites, as of November 2026, and the results they have published.
We have not audited their client work, and this is not a ranking.
Oliver Kenyon is our featured practitioner; the rest are in alphabetical order by company.
Oliver Kenyon, Conversionwise (featured)
Oliver Kenyon co-founded Conversionwise and has 13 years in ecommerce CRO.
The Conversionwise site lists landing page and funnel builds, ongoing CRO testing, conversion-led redesigns, Shopify development, post-click audits and strategy workshops.
Conversionwise says it has designed landing pages for 4,000+ brands.
Oliver Kenyon has the most landing page results of anyone on this page.
Their team replaced a generic landing page with an education-led advertorial for +$20,699/month and tested new listicle landing pages against the homepage for +50% conversions.
A competitor comparison table with benefit-led copy on a diagram software landing page brought in +$156,000/month.
Kasper Dolk, Maison Commerce
The Maison Commerce site lists custom landing pages (listicles, advertorials, quizzes and offer pages), custom product pages, custom Shopify themes and ongoing A/B testing at four to six tests per month.
Maison Commerce is a Shopify Premier Partner and works with brands doing €100k+ in monthly revenue.
Peter Christensen, Scaling CRO
The Scaling CRO site describes a full-funnel system covering ads, landing pages, product pages, cart, checkout and post-purchase, with documented A/B testing.
It targets Shopify and DTC brands doing $1M or more per month, and engagements start at $10K a month, as of November 2026.
Peter Christensen's landing page results include the advertorial and SamCart-to-PageDeck tests above.
Dave Diederen, Syntra Labs
The Syntra Labs site lists landing pages, product page updates, A/B test designs, custom funnels and quizzes, and Shopify development as part of a monthly subscription.
As of November 2026, the Standard plan is $7,495 a month for one brand, with 7-10 A/B tests a month.
Dave Diederen tested new headline variations on a listicle/advertorial landing page for +18% conversion rate.
Ruben, Tailored Commerce
The Tailored Commerce site lists full landing page builds and redesigns, CRO programs, A/B testing, customer research and store audits for Shopify (Plus) brands. Contracts are month-to-month with 30 days' notice.
Ruben's published results in our archive are mostly site-wide and product page tests, such as a trust bar below the navigation that brought +55% conversions.
Independent consultants
If you only need one page tested, an independent consultant can be enough.
Josh Thompson does CRO for 7- and 8-figure ecommerce brands and tested a new page design against the existing page for +175.64% revenue per visitor.
See more people on our CRO consultants page.
How to choose a landing page agency
Ask each agency these questions before you sign:
- Do you A/B test the new page against the old one? A before-and-after comparison mixes in seasonality and ad changes.
- What metric do you report? Revenue per visitor or CPA tells you more than conversion rate when the offer changes.
- Who writes the copy? Most of the winning pages above changed the message, not the colors.
- Which platform do you build on, and who owns the code? You need to edit the page after the contract ends.
- Do you have enough traffic to test? A page that gets a few hundred visitors a month cannot reach significance quickly, so an agency should say so.
| Option | Best for | Watch out for |
|---|---|---|
| One-off landing page build | A launch or a new ad campaign | No testing, so you don't know if it beat the old page |
| Build plus testing retainer | Brands spending steadily on paid traffic | Monthly cost; needs enough traffic for tests |
| Independent consultant | Smaller stores or a single page | Limited capacity for design and development |
For a longer checklist, read how to choose a CRO agency, compare costs on our CRO pricing page, or see every practitioner in the experts directory.