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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

156 Conversion rate optimisation ecommerce agencies match your filters

Showing 26 to 50 of 156, 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.

  1. Trepoly

    Denver, US

    • Matches: WooCommerce
    • Matches: Conversion rate optimisation
    • Shopify
    • BigCommerce

    From their site Conversion‑focused Shopify, WooCommerce, and BigCommerce stores built for Colorado businesses that want speed, clarity, and growth.

    Founded
    2012

    Named clients17

    +13 more clients

    Decadence Gourmet, Saddle Up Colorado, DiaSzabo, Simplesa, PCCO, Numato, Laser Perfect, Hot Shapers, Geolens, NCASS Equipment, Mattress by Appointment, GroutGetter, What Eyes Want

  2. ioVista

    Dallas, US

    • Matches: WooCommerce
    • Matches: Conversion rate optimisation
    • Shopify
    • Amazon
    • Adobe Commerce (Magento)
    • BigCommerce
    • +3

    From their site Digital Commerce Transformation Agency Empowering B2B and B2C brands since 2004

    Founded
    2004

    Named clients17

    +13 more clients

    Squibb Taylor, CORD Financial, Texas Restaurant Supply, Bio Gems, Control Specialties, Car Toys, Burkett Equipment & Supplies, Paragon Industries, HSP Diesel, Regis Manufacturing, PSC Motorsports, HM Herbs, Kilt Rental USA

  3. Ecommerce Design

    Birmingham, UK

    • Matches: WooCommerce
    • Matches: Conversion rate optimisation
    • Shopify
    • Adobe Commerce (Magento)
    • BigCommerce
    • Home and furniture
    • +2

    From their site We are an eCommerce Agency on a mission to help retail brands drive strategic, scaleable, and sustainable eCommerce growth.

    Team
    1 to 10
    Offices
    2

    Named clients17

    +13 more clients

    Corcorans, Cozilogs, Dog Destination, Cranes Direct, Dreams Villa, Ferne Animal Sanctuary, Ironmongery Online, Primus, Wrights, Mill Sales Direct, Lifting Gear Direct, Lifting Hoists Direct, LBS

    • Matches: WooCommerce
    • Matches: Conversion rate optimisation
    • Shopify
    • Shopify Plus
    • Fashion and apparel
    • Beauty and skincare
    • +2

    From their site L'agence au service de vos performances E-commerce, Publicitaires, CRO, Créa et Techniques et de vos clients

    Offices
    2

    Named clients17

    +13 more clients

    Eau Direct, Roseanna, Endro Cosmétiques, Propos Nature, FitClem, La Serviette Paris, Altrad, Nohèm, Ma Literie, Gruchy, Santarome, Medicis, Unesco

  4. Trafiki Ecommerce

    London, UK · also Dubai

    • Matches: WooCommerce
    • Matches: Conversion rate optimisation
    • Shopify
    • Amazon
    • Adobe Commerce (Magento)
    • BigCommerce
    • +6

    From their site Business-minded eCommerce Experts, Powered by Data.

    Offices
    3

    Named clients16 4 corroborated

    +12 more clients

    Besomi, Struts Depot, WaterRower, Babystore.ae, Watch Centre, Loop Generation, Rich Diamonds, CBD Oils UK, Bison Security Posts, Nohrd, The Village Butchers, Thames Rockets

  5. Newthink

    Los Angeles, US

    • Matches: WooCommerce
    • Matches: Conversion rate optimisation
    • Shopify
    • Shopify Plus
    • Adobe Commerce (Magento)
    • Fashion and apparel
    • +3

    From their site We're a dedicated Shopify agency, crafting DTC and B2B commerce experiences that elevate brands, engage customers, and sell product.

    Named clients16

    +12 more clients

    The Floral Society, LYS Beauty, Robin Piccone, Myabetic, Lawless Beauty, Shani Darden, Rebecca Minkoff, Prime, Oso & Me, Moon Juice, Minnow, Mercury Marine

  6. Kensium

    Chicago, US

    • Matches: WooCommerce
    • Matches: Conversion rate optimisation
    • Shopify
    • Amazon
    • Shopify Plus
    • Adobe Commerce (Magento)
    • +10

    From their site Unifying Digital Commerce Starts Here

    Team
    201 to 500

    Named clients16

    +12 more clients

    Big Country Pet Co, Earthy Tales, Wally's Wine, North40 Outfitters, Big Country Raw, Priester's Pecans, District Camera, Riddle's Jewelry, 3DXTECH, Door County Candle, SodStar, Room One / PTAC4Less

    • Matches: WooCommerce
    • Matches: Conversion rate optimisation
    • Shopify
    • Adobe Commerce (Magento)
    • BigCommerce
    • Food and drink
    • +2

    From their site High-performance Shopify stores, integrated with your ERP.

    Offices
    2

    Named clients15 2 corroborated

    +11 more clients

    SRA Karting, Quai Lanaudière, Plymovent - Remove the Fume, Premier Miel, Lapierre Law, Dentistes Shawinigan, Omind, Pave Expert, Quais Laurentiens, Creations Oceanes, Le Bro du Reseau

  7. Growisto

    • Matches: WooCommerce
    • Matches: Conversion rate optimisation
    • Shopify
    • Shopify Plus
    • Adobe Commerce (Magento)
    • Beauty and skincare
    • +1

    From their site Conversion-Led Shopify Development Services

    Named clients15

    +11 more clients

    Justrite, Neuma, HUL, Centerline, Tyresnmore, Dext, GuruNanda, Pilgrim, De-construct, Powerlook, Livguard

  8. Wedezign

    Paris, France

    • Matches: WooCommerce
    • Matches: Conversion rate optimisation
    • Shopify
    • Fashion and apparel
    • Health and supplements

    From their site Agence e-commerce à Paris, spécialisée dans la création de site e-commerce sur-mesure

    Offices
    2

    Named clients14

    +10 more clients

    RATP, TIM Hotel Paris, Allianz Real Estate, Third eye Cannabinoids, Le Comptoir de l'Or Vert, MCR Selling, Bonjour Bichat, Hopium Machina Hydrogène, Groupe Legendre, Kholod Paris

  9. GlobeSign

    Toronto, Canada

    • Matches: WooCommerce
    • Matches: Conversion rate optimisation

    From their site Digital Marketing That Actually Works Guaranteed Results - More Leads | More Traffic | More Sales

    Founded
    2008
    Offices
    2

    Named clients13

    +9 more clients

    Hawthorne Daycare, 91 Seafoods, Melio Homes, The LOC, Storia Photo & Video, Luso Roofing, Zippy Custom Homes, Northwood Roofing, Honey Badger Silver

  10. LWDA (London Web Design Agency)

    London, UK

    • Matches: WooCommerce
    • Matches: Conversion rate optimisation
    • Shopify
    • Shopify Plus
    • Adobe Commerce (Magento)
    • Beauty and skincare
    • +1

    From their site Driving Traffic & Boosting Sales

    Offices
    2

    Named clients11

    +7 more clients

    Sandbag Music Merchandising, Learn to Discover, South Coast Powersports, De Havilland Gin, Cutler & Gross, Formahouse, Penhaligon

  11. Tónica

    • Matches: WooCommerce
    • Matches: Conversion rate optimisation
    • Shopify
    • Shopify Plus
    • Adobe Commerce (Magento)
    • Fashion and apparel
    • +5

    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%

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.