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Agencies by specialism

Enterprise and high volume ecommerce agencies.

Agencies whose named clients or own descriptions show enterprise and high volume work, each listed with those client brands, 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
76
name at least one client
68
have a corroborated client
10
client brands named
929
countries with an office
17
Agency sites last read
September 2026

Active filters

15 enterprise and high volume ecommerce agencies match your filters

Showing 1 to 15 of 15, 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. SeedCMS

    London, UK

    • Matches: BigCommerce
    • Matches: Enterprise and high volume
    • Shopify
    • Shopify Plus
    • Adobe Commerce (Magento)
    • WooCommerce
    • +6

    From their site Shopify Plus Experts, Since 2013

    Team
    11 to 50
    Founded
    2013

    Named clients59 8 corroborated

    +55 more clients

    Crown Affair ✓, Pleasing ✓, Cibu ✓, Patricks ✓, Good Smile US, Vault Comics, Toho Animation Store, Hello 82, Higround, Just Water, Lectric eBikes, Modernica, Mod Gents, Pop & Bottle, Rokform, ABCmouse, Nomadix, Trubar, Wakemakers, Beyond Yoga, Hat Club, L'Agence, RVCA, 100 Thieves, Akila, Austin Post, Bogey Boys, Golf Le Fleur, Golf Wang, Madhappy, Revo, Eby, O'Neill, John Elliott, Pistola Denim, PSD, Tasc Performance, Tipsy Elves, Wildfang, Z Supply, Arctic Fox Hair Color, Allies of Skin, Ghurka, Detox U, City Grounds, Ammo NYC, Swiss Gear, Igloo Coolers, Blueair, Orgain, Pure Fishing, D'Addario, Stussy, Kith, Anastasia Beverly Hills

    seedcms.com (opens the agency's website in a new tab)

  2. 247 Commerce

    London, UK

    • Matches: BigCommerce
    • Matches: Enterprise and high volume
    • Amazon
    • Adobe Commerce (Magento)
    • Food and drink
    • Home and furniture
    • +2

    From their site The Agentic eCommerce Consultancy

    Named clients38 2 corroborated

    +34 more clients

    Ambala, London Transport Museum, Independent Buying Consortium Member Portal, Victoria and Albert Museum, Marks and Spencer Outlet, JCB Parts, British Museum, National Theatre, Westminster Abbey, Glyndebourne, National Museum of the Royal Navy, Ashmolean Museum, The Co-operative Electrical Shop, Wow Camping, Musbury Fabrics, Doulton, Find Me A Gift, Activewear, City and Guilds, Eyecatch, Gatwick Airport, Harper Collins, Netprice Direct, Something Different, SS Great Britain, The Monogram Group, Euro Car Parts, Andrew Page, Stoneacre Motor Group, Guildford Toyota (Inchcape), Blackcircles, IN'n'OUT Autocentres, Oxford University, Chartered Insurance Institute

    247commerce.co.uk (opens the agency's website in a new tab)

  3. Zaelab

    Chicago, US

    • Matches: BigCommerce
    • Matches: Enterprise and high volume
    • Shopify
    • Headless commerce
    • Home and furniture
    • Jewellery and luxury
    • +4

    From their site Customer First. Revenue, Now.

    Team
    201 to 500

    Named clients23

    +19 more clients

    Gesswein, Topcon, Simpson Strong-Tie, General Electric, E.B. Bradley Co., ProjectorScreen.com, ESAB, Sarnova, Titleist, Direct Tool Factory Outlet, Air Lift Company, Certor Sports, Palmer Johnson Power Systems, Precision Matthews, CORT, Cox Automotive, IEWC, Lonza, De'Longhi

    tmg.io (opens the agency's website in a new tab)

  4. IWD Agency

    Austin, US · also New York, Barcelona +1

    • Matches: BigCommerce
    • Matches: Enterprise and high volume
    • Shopify Plus
    • Adobe Commerce (Magento)
    • WooCommerce
    • Headless commerce
    • +6

    From their site The ecommerce agency that builds the store, then stays for the growth.

    Founded
    2008
    Offices
    5

    Named clients20

    +16 more clients

    Runner's Athletics, Purdue University, Berkey Creamery, Penn State University, School Fix, DMC Tools, EvoShield, Warner Press, US Camera Pro, Inyo Pools, Europa Eyewear, BinMaster, Circle Y Saddles, ADTRAN, Urbanspace, Dominate

    iwdagency.com (opens the agency's website in a new tab)

  5. Ziffity Solutions LLC

    Dallas, US

    • Matches: BigCommerce
    • Matches: Enterprise and high volume
    • Shopify Plus
    • Adobe Commerce (Magento)
    • Fashion and apparel
    • Food and drink
    • +3

    From their site We Blend Design, Technology And Marketing For Best-in-Class eCommerce Solutions

    Named clients18 1 corroborated

    +14 more clients

    Kurt Geiger, US Electrical (USESI), Airfield Supply, Olam Food Ingredients, Preseperse, It's Sugar, Sour Patch Kids, Earthlite, Super Breakers, Agilex, Walthers, Global Industrial, WPI, Travers Tool

    ziffity.com (opens the agency's website in a new tab)

  6. Acidgreen

    Sydney, Australia

    • Matches: BigCommerce
    • Matches: Enterprise and high volume
    • Shopify Plus
    • Adobe Commerce (Magento)
    • Fashion and apparel
    • Beauty and skincare
    • +5

    From their site Crafting exceptional eCommerce solutions to captivate visitors, foster customer loyalty, and maximise sales.

    Founded
    2000

    Named clients18

    +14 more clients

    St Frock, Woolworths, Paddy Pallin, Early Settler, Pierre Hardy, Dion Lee, Camillia, Janison, Danone Nutricia, Selfie Leslie, Princess Polly, St Maclou, Cotelac, Legend Corporation

    acidgreen.com.au (opens the agency's website in a new tab)

  7. Mindweb

    Montreal, Canada

    • Matches: BigCommerce
    • Matches: Enterprise and high volume
    • Shopify
    • Adobe Commerce (Magento)
    • WooCommerce
    • Food and drink
    • +1

    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

    mindweb.ca (opens the agency's website in a new tab)

  8. Sandcastle Web Design & Development

    Seattle, US

    • Matches: BigCommerce
    • Matches: Enterprise and high volume
    • Shopify
    • WooCommerce
    • Food and drink
    • Home and furniture
    • +1

    From their site Commerce Systems That Actually Integrate

    Founded
    2001
    Offices
    2

    Named clients15

    +11 more clients

    Southland Medical, ChefShop.com, Aviation Supplies & Academics, Media TrAIner, Enviromech, Seattle Children's Hospital | Guilds, Prothman, Direct Branding, Custom Pure Water, Financial Assistance, Inc., 468 Insider / 468 Communications

    sandcastle-web.com (opens the agency's website in a new tab)

From the ecommerceguide dataset

Enterprise and high volume agencies in numbers

Calculated from every agency in this category, not just this page. Each figure opens the list filtered to it.

Agencies listed
76
Name at least one client
68 89%
Agency to client links recorded
955
Have a corroborated client
10 13%
Team size on record
16 21%
Founding year on record
15 20%

Where they have offices

Platforms

Sectors

Services

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.