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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

481 Conversion rate optimisation ecommerce agencies match your filters

Showing 426 to 450 of 481, 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. Transformed Design Inc.

    • Matches: Ecommerce web design
    • Matches: Conversion rate optimisation
    • Shopify
    • WooCommerce

    From their site Custom WordPress websites, professional branding, and local SEO strategies built to increase visibility, organic traffic, and qualified leads.

    Team
    1 to 10

    No client brands named on its site

  2. Brand Boosting GmbH

    Albstadt Ebingen, Germany

    • Matches: Ecommerce web design
    • Matches: Conversion rate optimisation
    • Shopify
    • Shopify Plus
    • WooCommerce
    • B2B and wholesale
    • +1

    From their site Ihre Agentur für optimierte Onlineshops, Webentwicklung und Onlinemarketing.

    Team
    1 to 10

    No client brands named on its site

  3. Personal Journey Marketing

    Moers, Germany

    • Matches: Ecommerce web design
    • Matches: Conversion rate optimisation
    • Shopify
    • Beauty and skincare
    • Pet brands

    From their site BUILD. LAUNCH. SCALE.

    No client brands named on its site

    psjn.eu (opens the agency's website in a new tab)
  4. PixelPropel

    • Matches: Ecommerce web design
    • Matches: Conversion rate optimisation
    • Shopify
    • Shopify Plus

    From their site Senior agency thinking, custom websites, e-commerce stores, and SEO programs that grow real revenue

    No client brands named on its site

  5. Halbstark

    • Matches: Ecommerce web design
    • Matches: Conversion rate optimisation
    • Shopify

    From their site We are holistic strategists, designers and programmers working as a team for the perfect Shopify launch.

    No client brands named on its site

  6. Y1 Digital AG

    Stuttgart, Germany · also Munich, Berlin

    • Matches: Ecommerce web design
    • Matches: Conversion rate optimisation
    • Shopify
    • Shopify Plus

    From their site As an experienced Shopify and Shopify Plus agency, Y1 supports brands, manufacturers, and retailers in the strategic, technical, and creative implementation of powerful e-commerce projects.

    Offices
    2

    No client brands named on its site

  7. Opklopper

    • Matches: Ecommerce web design
    • Matches: Conversion rate optimisation
    • Shopify
    • Shopify Plus
    • Fashion and apparel
    • B2B and wholesale

    From their site Shopify Plus Partner voor groeiende merken in Nederland & België

    No client brands named on its site

  8. Feel and Clic

    • Matches: Ecommerce web design
    • Matches: Conversion rate optimisation
    • Shopify
    • WooCommerce

    From their site Un partenaire e-commerce engagé sur la performance, l'intégration et la maîtrise technique

    No client brands named on its site

  9. Suratica

    • Matches: Ecommerce web design
    • Matches: Conversion rate optimisation
    • Shopify
    • Amazon
    • Shopify Plus
    • Adobe Commerce (Magento)
    • +1

    From their site Agencia Shopify especializada en construir, mejorar y hacer crecer tiendas online con visión de negocio

    Founded
    2014

    No client brands named on its site

  10. COPiLOT Agency

    Madrid, Spain

    • Matches: Ecommerce web design
    • Matches: Conversion rate optimisation

    From their site Somos tu digital partner: ponemos orden, control y criterio en todo lo que haces online — ecommerce, captación de leads o servicios.

    No client brands named on its site

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.