Medito
London, UK · also Austin, Manchester +13
From their site We build high-performing Shopify stores
Agencies by service
Conversion rate optimisation ecommerce agencies.
Agencies whose own sites describe conversion rate optimisation work, each listed with the client brands it names, the platforms it works on, its offices and team size. Filter by client evidence, specialism, service, location and team size. Paying for a listing does not change the order.
- agencies
- 594
- name at least one client
- 464
- have a corroborated client
- 92
- client brands named
- 5,323
- countries with an office
- 19
- Agency sites last read
- September 2026
Active filters
102 Conversion rate optimisation ecommerce agencies match your filters
Showing 51 to 75 of 102, ordered by most named clients
How results are ordered
By the number of client brands each agency names on its own site, then by how many of those we corroborated. That number reflects how much of its portfolio an agency publishes and how much our crawler could read. It is not a quality rating.
Sponsored listings appear in a separate, labelled block and never change this order.
From their site Nous concevons des boutiques Shopify qui convertissent et des outils métier IA sur-mesure pour nos clients.
Named clients7
+3 more clients
Superbon, Maroquinerie Renouard, Cabania
Haydon Power
From their site We’re the Shopify partner for ambitious consumer brands.
Named clients6 6 corroborated
Deliciously Ella(corroborated)
Mother Root(corroborated)
All Plants(corroborated)
Wildfarmed(corroborated)
+2 more clients
Chirpy ✓, Rockface ✓
From their site We design, build and grow Shopify & Shopify Plus stores with a focus on conversion and long-term results.
Named clients6
+2 more clients
Caravana Land, Nude Project
Develo
From their site Building High-Performing eCommerce for Ambitious Brands
From their site E-Commerce Agentur für Shopify, Shopware und Headless – Performance, CRO und Customer Lifecycle.
GoMage
Amsterdam, Netherlands · also Rotterdam, London
From their site Wij brengen jouw e-commerce visie tot leven met doeltreffende strategieën die resultaat opleveren.
Named clients6
+2 more clients
Restaurant Supplies, Able Skills
From their site Shopify Expert New York – Build Stores That Compete in NYC
Reflect Digital
Kent, UK
From their site The eCommerce marketing agency transforming brands with human insights.
I-COM
From their site One of Manchester's largest independent digital marketing agencies
From their site We are a forward thinking ecommerce agency, developing eCommerce websites and driving traffic to them using SEO, PPC and Content Marketing.
Named clients5
+1 more client
Sahni Foods UK
Blink
Norwich, UK · also London, Birmingham
From their site The Shopify marketing agency for large catalogue stores
From their site We do more than make websites; we create complete digital solutions that help your business shine online.
Named clients5
+1 more client
Hayaat Welfare Trust UK
From their site We design, build and improve eCommerce sites that feel better, look better, and perform better.
Named clients4 2 corroborated
Kubix
From their site A Shopify Platinum agency trusted by real businesses to take their stores to the next level
Named clients4 2 corroborated
Named clients4
Named clients4
Opace
From their site Expert eCommerce Services That Drive Sales & Online Revenue.
Named clients4
Named clients4
From their site Combining creativity, technology, and strategy into meaningful digital experiences.
Named clients3 3 corroborated
From their site We're the Shopify agency in Bristol that gets your eCommerce store thriving.
Named clients3 2 corroborated
Our Digital Team
From their site We're here to make online success simple and effective for you.
Named clients3 2 corroborated
Influx Digital
From their site Full service agency from start to finish (and beyond)
From the ecommerceguide dataset
Conversion rate optimisation agencies in numbers
Calculated from every agency in this category, not just this page. Each figure opens the list filtered to it.
- Agencies listed
- 594
- Name at least one client
- 464 78%
- Agency to client links recorded
- 5,549
- Have a corroborated client
- 92 15%
- Team size on record
- 114 19%
- Founding year on record
- 115 19%
Client brands named by more than one agency here
How this directory works
Where agencies come from
Agencies are found in Google search and business-listing results for ecommerce agency searches, and through agencies submitting themselves. Each agency's own site is then read to record its services, platforms, sectors, offices and the client brands it names.
What “named clients” means
A named client is a brand the agency names on its own site, usually in a case study or portfolio. It is the agency's claim. Where the client's own site or technology stack backs that claim, the client is marked corroborated (✓).
How platforms, services and sectors are assigned
From what the agency's pages describe. A sector is recorded when the agency's named clients sell in it or the agency explicitly describes that work, not from a single passing mention.
Locations
Only a head office or office found in a business listing with an address, or named on the agency's own site. An area an agency says it serves is not treated as a location.
Order and payment
The default order is by number of named clients, which reflects how much of a portfolio an agency publishes as well as its size. It is not a rating. Sponsored placements appear separately and labelled. Self-submitted listings are paid for and are ordered the same way as every other listing.
Corrections
If a listing is wrong, email hello@ecommerceguide.com with the page and the correction.