Named clients13 1 corroborated
+9 more clients
Maison Laffargue, Castex Manufacture, Maison Caudalie, Diplo, Pipolaki, Hector Saxe Paris, Melun Retro Passion, Le Petit Fournisseur, Golf des Marques
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
292 Conversion rate optimisation ecommerce agencies match your filters
Showing 101 to 125 of 292, 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 The no-nonsense Shopify Platinum Partner agency that genuinely gives a sh*t.
Named clients13
+9 more clients
A&A Crack & Sons, Gardeners Dream, Issey Miyake, Baudoin & Lange, Brown Thomas, Fenwick, Lullabellz, Private White, WatchGecko
From their site We design, build, and migrate fast, reliable ecommerce stores for brands that need more from their platform
Named clients13
+9 more clients
Riverford, Oakhouse Foods, Highgrove Shop, Paxton & Whitfield, Pukka, Amathus, Ellison, Cotswold Collections, Pipestock
From their site Nous concevons et créons des boutiques Shopify et Shopify Plus pensées pour la conversion, la fiabilité, la scalabilité et la croissance durable.
Named clients13
+9 more clients
Kookai, Comme des Garçons, Hindbag, S.T. Dupont, Moulin Rouge, Vitry, An'ge Paris, Mon Petit Léon, Shilton
Softlimit
From their site You know your business, we know Shopify.
Named clients12 2 corroborated
+8 more clients
West Paw, Polyvinyl Records, Harbor, The Perfect Jean, Caitlin Wilson, Moon Juice, Sacred Bones Records, Little Miss Muffin
From their site We're an award-winning Shopify & Shopify Plus agency that designs and develops conversion-focused stores to scale ecommerce businesses.
Named clients12 1 corroborated
+8 more clients
Unimaginable Foods, Hydrate Buddy, 24K9, Chatelier, The Natural Posture, Little Creek, Doggie and Me Boutique, SnugglePals
From their site Award Winning Shopify Plus Agency in London UK, designing conversion-focused stores to scale ecommerce businesses.
Named clients12 1 corroborated
+8 more clients
Unimaginable Foods, Hydrate Buddy, 24K9, Chatelier, The Natural Posture, Little Creek, Doggie and Me Boutique, SnugglePals
Makro
From their site Local to talk to. Senior to build it.
Named clients12
+8 more clients
Ennis Fabrics, Wire America, Bruush, Bio-K+, Joelle, Matt and Nat, Stonz, Maddle
Shopimasters
From their site We are ecommerce experts and turn your project into a profitable, sustainable business.
Named clients12
+8 more clients
Tuvalum Bikes, Raciety: Racing Society Club, Barça Official Store, Olium, La Caja Saludable, Patch4Gi, Popa, Faride
Wow Group
From their site An eCommerce Development Agency, You Can 100% Rely On
Named clients12
+8 more clients
Righttrack Learning, Phase 3, Tesorodirect, Mypure, Mesheme, Net World Sports, Executive Online, Danfaye Ltd
From their site Leading Shopify Plus Partner helping merchants drive eCommerce growth since 2013.
Named clients12
+8 more clients
Nestle, Vital Proteins, Unilever, Cuddle+Kind, CAA, Nella Cutlery, Henry's, Dove
Refrsh
From their site Wir entwickeln Conversion-starke Shopify Shops, die bei gleichem Traffic mehr Umsatz generieren.
Named clients12
+8 more clients
Matchary, Inaraii, Studio Underdog, Graza, Aurumé, Aldea Kids, Perpétuel, HDSX
Named clients12
+8 more clients
MIOMENTE, PAKAMA athletics GmbH, Soul Spice, Frida & Fritz, Teacher News, Insurance with a head, Mindset Coach, Attorney at Law
Web Builders
From their site Wij bouwen aan jouw online succes
Named clients12
+8 more clients
I Love Group, Dolci di Luca, Art of Beauty by Renske, G&F Verpakkingen, Boutique Blooms, Happy Home, Aza Natural, SHUZ
Peanut Butter
From their site Soluciones Shopify para marcas ambiciosas. Creamos experiencias e-commerce que convierten, escalan y fidelizan.
Named clients12
+8 more clients
Naguisa, Petramora, 3ina, Zubi, IVB, Sansoeurs, Biribox, Hercules
Clarify Commerce
From their site In today's complex eCommerce world, we clarify and simplify.
Named clients11 6 corroborated
+7 more clients
Rethinkit ✓, Wheat ✓, Baum und Pferdgarten, Lollys Laundry, Paper Collective, By Green Cotton, Elise Gug
From their site Award-Winning Shopify Developers. Fixes, Upgrades, New Builds & Migrations
Named clients11
+7 more clients
Everlast, Bark Box, Ronaldo Jewelry, Ken & Dana Design, Woodland Essence, Oshēn Salmon, The Cashmere Sale
Named clients11
+7 more clients
Turf Care, Graphic Solutions Group, Byrne Electrical Specialists, Wilson Sporting Goods, Burpee, Lifetime, Prepper Gun Shop
From their site Agentur für Digital Commerce in Berlin, Hamburg, Göttingen, Kyiv
Named clients11
+7 more clients
Digitalcluster Hamburg, ASS Einrichtungssysteme, Nik the Greek GmbH, 7days, Fitstore24, EXPRESSO Deutschland GmbH & Co. KG, EGGERS
From their site Diseñamos, optimizamos y escalamos tiendas online con un enfoque estratégico que impulsa ventas reales
Named clients11
+7 more clients
Vinoteca.es, GreenCorners, Olium, Kaizen Care, Patch4Gi, La Caja Saludable, Popa
From their site Somos especialistas en llevar la presencia y captación digital de tu negocio a otro nivel
Named clients11
+7 more clients
Compliance Sin Fronteras, Windoor Realfly, Monbel, Onegen Lab, Ferrer, Mateco, MGS
dtails
From their site Danmarks skarpeste Shopify Partner
Named clients11
+7 more clients
FRAMA, OMHU, Ismageriet, Filterhuset, Bog & Idé, Soundboks, Ortofon
From their site Build a Shopify operation that can support what comes next.
Named clients10 2 corroborated
+6 more clients
Boletaje, Butcher James, BoxChois, Classy Walking Canes, Redondo Brand, Oomame
5874 Commerce
From their site Solving the core business challenges of modern retail: lowering the cost to serve while protecting profit margins.
Named clients10 2 corroborated
+6 more clients
Camperite, Monwell, ASC Direct, GTSE, Tackle Direct, Virbac
Tónica
From their site Shopify Partner oficial entre Argentina y España: desarrollo, migración e integración de tiendas Shopify y Shopify Plus.
Named clients10 1 corroborated
+6 more clients
Andala, DIMASA, SIGO, Criado Wines, Naturitas, Grupo Sicore
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.