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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

Active filters

249 Conversion rate optimisation ecommerce agencies match your filters

Showing 126 to 150 of 249, 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.

  9. Stellar Projects

    Paris, France · also Leeds

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

    From their site Nous concevons des boutiques Shopify qui convertissent et des outils métier IA sur-mesure pour nos clients.

    Team
    1 to 10
    Founded
    2018
    Offices
    3

    Named clients7

    +3 more clients

    Superbon, Maroquinerie Renouard, Cabania

    stellarprojects.fr (opens the agency's website in a new tab)

  12. Webshark Web Services

    Bengaluru, India

    • Matches: Shopify Plus
    • Matches: Conversion rate optimisation
    • Shopify
    • Headless commerce
    • Fashion and apparel
    • Beauty and skincare
    • +4

    From their site Conversion-driven, SEO-optimized, and scalable Shopify experiences engineered to grow your business, not just go live

    Founded
    2019

    Named clients7

    +3 more clients

    Stephen Webster, Culture Pop Soda, JSW Steel

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

  14. Concise Digital

    Sydney, Australia

    • Matches: Shopify Plus
    • Matches: Conversion rate optimisation
    • Shopify
    • Food and drink
    • Home and furniture

    From their site Certified Shopify partners providing custom eCommerce solutions from design to migration and marketing.

    Named clients6 6 corroborated

    +2 more clients

    Bare and Boho ✓, Pure Interiors ✓

    concise.digital (opens the agency's website in a new tab)

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%

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.