Industry roundup · Shopify Plus agencies

Best Shopify Plus Agencies in the UK (2026)

UK agencies worth shortlisting for Shopify Plus: design-led builds, platform migrations to Plus, CRO-focused partners and enterprise-grade development. Includes LoudCrowd for post-launch SEO.

David Johnson, Managing Director at LoudCrowd

David Johnson

Managing Director, LoudCrowd

10 min read

Shopify Plus is a different shortlist than Shopify SEO

A Shopify Plus migration or build is a platform decision — architecture, checkout customisation, internationalisation, integrations. It is a different job from ongoing organic search, and most stores need both at different points.

This list covers UK agencies with genuine Shopify Plus delivery — builds, migrations and enterprise-grade development. LoudCrowd does not build on Plus; we handle what typically comes after launch — technical SEO, organic recovery and CRO — and are included here for that reason, not as a Plus development partner.

LoudCrowd · Post-launch SEO and CRO

Post-launch Shopify Plus SEO and CRO · Doncaster. Works with Shopify Plus stores after build or migration — recovering organic traffic lost in a platform move, fixing collection and faceted-navigation structure, and running CRO once the new store is live.

David Johnson profileBest Shopify SEO agencies UK

Design-led Shopify Plus builds

  1. 1. We Make Websites

    London — global Shopify Plus Partner

    Recognised as one of the top Shopify Plus Partners internationally, building high-performing, design-led stores for premium and fast-growing brands.

  2. 2. Blubolt

    UK — Shopify Plus agency with deep ecommerce roots

    Delivered 400+ ecommerce projects, helping established brands move to Shopify Plus and improve online performance.

Platform migration to Shopify Plus

Worth shortlisting specifically if you are moving off Magento, WooCommerce, Wix or a custom build.

  1. 1. Eastside Co

    One of the UK's earliest Shopify Plus Partners

    500+ Shopify projects delivered including 70+ on Shopify Plus, with enterprise clients across well-known consumer brands.

  2. 2. Blue Array

    Reading & London — SEO-safe Plus migrations

    Helps mid-market and enterprise brands move to Shopify Plus from Magento, WooCommerce, Wix and custom builds, balancing SEO-safe migration with conversion-focused design.

  3. 3. Fourmeta

    London — Shopify Plus migrations

    Known specifically for SEO-conscious platform migrations onto Shopify Plus — protecting redirects, data and existing rankings through the move.

CRO-focused Shopify Plus partners

  1. 1. Rainy City Agency

    Manchester — data-driven UX and CRO

    Builds for data-driven brands with a focus on user experience — heat mapping, A/B testing and mobile-first design layered onto Shopify Plus builds.

Enterprise-grade development

  1. 1. Rave Digital

    UK — complex, enterprise-grade builds

    Shopify development agency specialising in complex, enterprise-grade ecommerce builds.

  2. 2. NOVOS

    London — ecommerce-only, SEO and Plus

    Founded exclusively to serve ecommerce brands, working with well-known DTC names across both Shopify and Shopify Plus.

  3. 3. Juno Ecommerce

    Bristol — Shopify Plus agency

    Close to two decades building and scaling ecommerce stores, with SEO delivered as one strand of a broader Shopify Plus offering.

Questions before you shortlist

Do I need Shopify Plus, or is standard Shopify enough?
Plus is worth the extra cost once you need checkout customisation, multiple storefronts, higher API limits, or your order volume outgrows standard Shopify's automation tools. Most stores under a few million in annual revenue are fine on standard Shopify.
Should the agency that builds my Shopify Plus store also handle SEO?
Not necessarily. Build agencies are judged on launch delivery; SEO is an ongoing discipline that benefits from a specialist watching rankings before, during and after the move — which is also when most migration traffic loss happens.
What is the biggest risk when migrating to Shopify Plus?
Lost organic traffic from broken redirects, changed URL structures, and stripped-out content during the rebuild. Agree the SEO migration checklist before development starts, not after launch.

Final thoughts

Shopify Plus agencies are judged on build and migration delivery — a different skill from the ongoing SEO and CRO work a store needs once it is live.

LoudCrowd works specifically with Shopify and Shopify Plus stores post-launch, from Doncaster, UK-wide. If you have a migration planned or recently completed, book 15 minutes before traffic loss compounds.

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