Ecommerce · Buying guide · 2026

Best ecommerce platform for UK retailers in 2026

Your ecommerce platform isn't a 'website choice' — it's the operating system for your entire commercial team. Get it right and your merchandisers, marketers and customer service team move twice as fast. Get it wrong and every campaign, integration and stock movement takes an extra week. We've built and migrated stores on every major platform. Here's how they compare in 2026 for UK and EU retailers turning over £500k to £50m a year.

What to look for

  • Total cost of ownership over 3 years — licence, hosting, apps, dev
  • Speed (Core Web Vitals) and SEO control out of the box
  • Headless / composable readiness if you want a custom storefront
  • Native B2B features if you sell both DTC and trade
  • EU VAT, multi-currency and IOSS handling
  • App ecosystem for the integrations you actually need — ERP, 3PL, reviews, subscriptions

The 5 platforms to consider in 2026

1. Shopify (incl. Plus)

Visit Shopify (incl. Plus)
Best for: Most UK DTC brands under £20m·Pricing: From £29/month; Shopify Plus from £2,000/month
Pros
  • Fastest to launch
  • Huge app ecosystem
  • Built-in performance and security
  • Strong checkout conversion
Cons
  • Transaction fees if you don't use Shopify Payments
  • Customisation outside Liquid/Hydrogen is constrained
Our verdict: The default for a reason. Unless you have a specific reason not to, start here.

2. WooCommerce

Visit WooCommerce
Best for: Content-led brands already on WordPress·Pricing: Plugin is free — real cost is hosting, dev and plugins (~£200–£2,000/month)
Pros
  • Total control of code and data
  • Massive plugin library
  • Best-in-class for content + commerce blends
Cons
  • You own the security, performance and maintenance burden
  • Total cost creeps with paid plugins
Our verdict: Powerful in the right hands. Painful in the wrong ones. Only choose this if you have ongoing dev resource.

3. BigCommerce

Visit BigCommerce
Best for: Mid-market brands with B2B and DTC·Pricing: From around £25/month; Enterprise from £400+/month
Pros
  • Strong native B2B features
  • No transaction fees
  • Open APIs for headless
Cons
  • Smaller theme ecosystem than Shopify
  • Less brand recognition in the UK
Our verdict: Genuinely underrated for B2B-heavy operators. Worth a serious look against Shopify Plus.

4. Adobe Commerce (Magento)

Visit Adobe Commerce (Magento)
Best for: Enterprise retailers with complex catalogues·Pricing: Open Source free; Commerce typically £20k–£100k+/year
Pros
  • Unmatched flexibility
  • Strong B2B suite
  • Owns its data and infrastructure
Cons
  • Heavy total cost of ownership
  • Requires a specialist dev partner
  • Slow to deploy changes
Our verdict: Only choose this if your catalogue, pricing rules or multi-store needs genuinely break Shopify Plus.
Best for: Fashion and lifestyle brands going international·Pricing: £POA — enterprise tier
Pros
  • Built for fashion — sizes, drops, multi-market
  • Headless-first architecture
  • Strong DTC + wholesale
Cons
  • Niche use case
  • Requires headless dev capability
Our verdict: If you're a serious fashion brand selling across multiple EU markets, this is the most defensible choice.
Our pick for 2026

Shopify Plus for most UK ecommerce brands, BigCommerce or Centra for specific edge cases

Shopify Plus wins on speed, total cost of ownership and conversion for the vast majority of UK DTC brands turning over £2m–£30m. Choose BigCommerce if B2B is more than 40% of your revenue. Choose Centra if you're a fashion brand selling internationally. Choose Magento only if a custom-built case forces it.

Frequently asked questions

Is Shopify or WooCommerce better for SEO?

Both can rank. Shopify has better defaults — clean URLs, fast hosting, good Core Web Vitals — out of the box. WooCommerce gives you more granular control but you have to do the work. In our experience, a well-built Shopify store outranks a poorly-built WooCommerce store every time, and a well-built WooCommerce store outranks a poorly-built Shopify store.

How much does it cost to migrate from WooCommerce to Shopify?

A standard migration for a UK retailer with under 5,000 SKUs typically runs £8,000–£25,000 depending on theme work, app re-implementation and 301 redirect mapping. The bigger cost is execution risk — get the migration wrong and you lose 30–60% of organic traffic for months. We've run dozens of these; happy to scope yours.

Do I need a headless ecommerce setup in 2026?

Probably not. Headless makes sense if you have a real reason — extreme performance needs, a content-first brand with editorial-grade storytelling, or multi-channel commerce across web, app and in-store. Otherwise the added complexity costs more than it earns.

What's the cheapest way to launch an ecommerce store in the UK?

Shopify Basic at £29/month plus a free theme and Shopify Payments. You can be live in a weekend. The real cost shows up later — apps, paid ads, content. Budget at least £2,000–£5,000 a month for marketing once you launch, or the store will sit there.

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