Migrating Your UK E-commerce Store to Shopify: The Honest 2026 Guide

If you're a UK retailer thinking about moving to Shopify from another platform — WooCommerce, Magento, BigCommerce, EKM, Squarespace Commerce, or a custom build — you've probably read 50 articles already. Most are written by Shopify partners trying to upsell you, full of marketing fluff, missing the actual painful details.

This isn't that. This is what we tell our own clients when they ask us about Shopify migration: the real costs, real timelines, real risks, and what to actually expect over the first 6 months after migration.

Should you actually migrate?

Before we get into how, let's make sure you should.

Migrate to Shopify if:

Your current platform is fundamentally limited (frequent crashes, can't add features you need, security concerns)
You're spending more than £200/month on hosting + plugins for WooCommerce that Shopify includes natively
You hate dealing with the technical side of WooCommerce updates
You want to focus on growing the business, not maintaining the platform
Your sales are growing and the platform is becoming a bottleneck
You need omnichannel selling (online, POS, social, marketplaces) from one platform

Don't migrate to Shopify if:

WooCommerce is working fine and you have someone managing it well
Your store has highly customised functionality that would break on Shopify
You sell items requiring complex tax configurations Shopify doesn't handle natively
You have unusual product types (e.g. subscription bundles with complex rules)
You're already doing significant volume on Shopify Plus territory but don't want to pay the £1,800+/month for Shopify Plus

We covered the broader Shopify vs WooCommerce comparison for UK retailers in detail. Worth reading first if you're still deciding.

What migration actually costs (UK pricing 2026)

Real numbers, no marketing fluff:

DIY migration (small store, under 100 products)

Shopify subscription: £25/month (Basic) or £65/month (Standard)
Theme: Free or £170 one-off for premium
Migration apps: £200-£500 (LitExtension, Cart2Cart, etc.)
Your time: 40-80 hours
Total cost: £400-£900 + your time

Agency-managed migration (medium store, 100-1,000 products)

Shopify subscription: £65-£369/month depending on Plan
Theme: £170-£600 (premium theme, customisation)
Migration cost: £2,500-£7,500
SEO preservation work: £500-£1,500
Total cost: £3,500-£10,000

Enterprise migration (1,000+ products, complex requirements)

Shopify Plus subscription: From £1,800/month
Custom theme development: £8,000-£25,000
Migration project: £10,000-£50,000+
Custom apps/integrations: £5,000-£30,000
Total cost: £25,000-£100,000+

For most UK SME retailers, you're in the £3,500-£10,000 range. We typically quote agency-managed migrations starting at £4,500.

What's actually involved (the unsexy details)

A Shopify migration isn't "click a button and import." It's a multi-week project with dozens of steps. Here's what we typically do for a 100-500 product store:

Phase 1: Pre-migration audit (Week 1)

Audit current store: products, categories, customers, orders, design, plugins
Document custom functionality that needs to be preserved
Identify SEO assets: top-ranking pages, backlinks, redirects needed
Map current product attributes to Shopify equivalents
Identify integrations: payment, shipping, accounting, email, etc.
Document what's working vs what needs to be improved

Phase 2: Shopify setup (Week 2)

Create Shopify account on appropriate plan
Install and customise theme
Set up payment gateway (Stripe, PayPal, Klarna for UK)
Configure UK-specific settings (VAT, shipping zones, etc.)
Set up tax rules per HMRC requirements
Install essential apps (review, email marketing, etc.)

Phase 3: Data migration (Week 2-3)

Import products with all attributes (categories, variants, images, descriptions, SEO meta)
Import customer accounts (with passwords reset notification)
Import order history (varies by plan and migration method)
Import blog posts and content pages
Set up collections to mirror current categories
Configure related products and upsells

Phase 4: Design and content (Week 3-4)

Customise theme to match brand (or improve)
Build homepage, key landing pages
Set up navigation menu
Configure footer
Add legal pages (Privacy, Terms, Returns) — UK GDPR compliant
Set up cookie banner

Phase 5: SEO preservation (Week 4)

Map every old URL to new Shopify URL
Set up 301 redirects for all changed URLs
Preserve meta titles, descriptions, structured data
Configure XML sitemap
Update Google Search Console
Plan for any unavoidable SEO disruption

Phase 6: Testing (Week 5)

Test checkout flow end-to-end with real cards
Test on multiple devices (iOS Safari, Android Chrome, desktop)
Test all payment methods
Test order confirmation emails
Test shipping calculations
Test promotional codes
Test customer account creation/login
Test refund flow

Phase 7: Launch (Week 6)

Update DNS to point to Shopify
Submit new sitemap to Google
Monitor for any issues
Be ready to fix things rapidly post-launch
Send launch announcement to existing customers

Phase 8: Post-launch (Week 7-12)

Monitor SEO rankings closely
Fix any 404s that emerge
Respond to customer questions about new site
Optimise based on real user behaviour
Build out any features deferred from launch

This is a 6-12 week project for a typical UK SME retailer. Don't trust agencies promising 2-week migrations unless your store is genuinely tiny.

SEO preservation: the most critical (and most botched) part

This is where most Shopify migrations go wrong. Your SEO authority — the rankings you've built over years, the backlinks pointing to specific products and categories — can vanish overnight if migration is done badly.

What can go wrong:

Old URLs return 404 → Google sees thousands of broken pages, drops your rankings
New URLs are different structure → existing backlinks point to dead pages
Product descriptions get auto-cleaned → unique content becomes generic
Schema markup is lost → rich snippets disappear from search results
Page speed gets worse → rankings drop further
Internal linking is restructured poorly → page authority distributed badly

What we do to prevent it:

Comprehensive 301 redirect map — every changed URL maps to its closest equivalent
Preserve all meta titles and descriptions during migration
Manual review of top 50 pages to ensure content quality maintained
Set up new schema markup matching or improving on old
Submit updated sitemap immediately post-launch
Daily Search Console monitoring for first 30 days
Quick fixes for any 404s that emerge from real-world traffic

A well-handled migration loses 5-15% of organic traffic temporarily, recovering and exceeding within 2-3 months. A badly-handled migration can permanently lose 30-50%+ of organic traffic.

The customer migration challenge

Beyond technical SEO, you need to migrate your actual customers. This means:

Existing customer accounts

Shopify doesn't allow direct password import for security reasons. Customers need to "reset" their password to access their account on the new site.

Best practice: send a launch announcement explaining what's happening, with a clear "reset your password to access the new site" CTA. Make it sound like an upgrade, not a hassle.

Order history

Importing order history is possible but limited. Most migration tools import order data but not all the rich detail (customer notes, refund history, etc.). Be honest with customers about what they will/won't see.

Loyalty/rewards programs

Almost always get reset during migration unless you use the same loyalty app on both platforms. Plan to honour existing balances manually if needed.

Subscription customers

This is the highest-risk part. If you have ongoing subscription customers, you need to migrate them carefully — usually through a specific subscription app like ReCharge or Bold Subscriptions. Plan extra time for this.

Common Shopify migration mistakes

We see these frequently in clients who've migrated themselves or used cheap agencies:

Underestimating the project scope

"Just import products and we're done." No. Add 30-50% to your initial estimate.

Ignoring SEO until after launch

By the time you realise rankings have dropped, recovery is much harder. SEO planning starts in Week 1, not after launch.

Not preserving review history

Product reviews are valuable social proof. Use a review app that imports existing reviews from your old platform.

Cheap themes that look great but perform badly

Some Shopify themes look stunning in the demo but load in 6 seconds on real connections. Test theme speed before committing. We covered Core Web Vitals extensively elsewhere.

Forgetting integrations

Your accounting system, your email marketing, your fulfilment service, your inventory management — all need to be connected to Shopify. Don't discover this on launch day.

Skipping the staging environment

Shopify's "Development store" feature lets you build everything before going live. Use it. Never migrate directly to production.

Going live on a Friday afternoon

Murphy's Law applies. Launch midweek so you have full team availability if issues arise.

What about UK-specific considerations?

Several things to handle for UK retailers specifically:

VAT

Shopify handles VAT well but configuration matters. Set up:

Tax registration number under Settings > Taxes
Per-product VAT rates if you sell mixed goods (e.g. zero-rated children's clothes)
Tax-included pricing display (UK customers expect this)
Proper VAT invoices for B2B customers

Shipping

Configure UK shipping rates by zone:

Standard 2-3 day delivery
Next-day delivery
Royal Mail vs courier (Hermes/Evri, DPD, etc.)
Free shipping thresholds
International rates if applicable

Apps like Shippo or Easyship integrate UK couriers if you need shipping label printing.

Payment

GDPR compliance

We covered this in GDPR compliance for UK websites. Key Shopify-specific items:

Configure cookie banner via app (Shopify's built-in is basic)
Review your privacy policy for Shopify-specific data collection
Set up customer data export/deletion processes
Audit any third-party apps for their data practices

Realistic timeline for a typical UK SME store

Here's what to expect for a store with 200-500 products, decent traffic, established customer base:

Pre-migration: 1-2 weeks

Decision to migrate, vendor selection, kickoff

Migration project: 6-10 weeks

All the phases above

Post-launch monitoring: 4-8 weeks

Active monitoring, fixes, optimisations

Recovery and growth: 3-6 months

SEO recovery period, new performance baseline

So from "we're going to migrate" to "we're outperforming the old site": realistically 6-9 months.

How to choose a Shopify migration partner

If you're hiring help, vet carefully:

Experience markers to look for

Specific experience with your source platform (e.g. WooCommerce → Shopify is different from Magento → Shopify)
Portfolio of similar-sized migrations
Clear documented process (not "we'll figure it out as we go")
References from clients 6+ months post-migration (the real test)
Shopify Partner status (check at partners.shopify.com)

Red flags to avoid

Promising migration in 2 weeks for a real store
No SEO preservation plan in their proposal
Won't share specific migration method
Quotes drastically lower than other agencies (corner-cutting)
Won't provide written contract with deliverables
No post-launch support included

What we charge for Shopify migrations

For context — our pricing for a typical UK SME Shopify migration:

Small store (under 100 products, simple migration): £4,500
Medium store (100-500 products, custom design): £6,500-£12,000
Larger store (500+ products, custom apps needed): £15,000-£30,000

These include design, migration, SEO preservation, testing, launch, and 30 days post-launch support. See our Shopify development services for more detail or request a custom quote.

DIY migration: when it makes sense

Doing migration yourself is realistic if:

You have under 100 products
Your current store has minimal customisation
You're comfortable with technical setup
You have time (40-80 hours) to dedicate
You can accept some learning curve and inevitable mistakes

The DIY route saves money but costs time. For small stores it's reasonable. For larger or more complex stores, professional help usually pays for itself in avoided problems.

What about migration apps?

Several apps automate parts of migration:

LitExtension — comprehensive, handles most platforms
Cart2Cart — similar functionality
Matrixify — for advanced data manipulation post-migration

These automate product import but not design, SEO preservation, theme customisation, or testing. They're tools, not solutions. Budget £200-£500 for one of these if doing DIY.

A realistic post-migration period

Here's what typically happens in the 6 months after Shopify migration for a UK retailer:

Month 1

Some customers confused by changes — provide active support
5-15% temporary drop in organic traffic (normal)
A few 404s emerge from edge cases — fix as they appear
Conversion rate slightly down as customers adjust

Month 2-3

Organic traffic recovering, often exceeding pre-migration levels
Core Web Vitals improvements compound (Shopify's CDN typically faster)
Customer feedback positive if migration done well
Conversion rate back to baseline

Month 4-6

Organic traffic 10-30% higher than pre-migration baseline
New Shopify-only features (apps, abandoned cart, etc.) compound
Lower maintenance burden frees up time for marketing
ROI on migration becomes positive

This is the realistic curve for a well-executed migration. Bad migrations don't recover or take 12+ months.

Where to start if you're considering migration

If you're a UK retailer thinking about Shopify migration:

Audit your current platform honestly. What works, what doesn't, what's the actual cost (including your time)?
Define what you'd want from a new platform. Performance? Lower maintenance? Specific features? Different design?
Evaluate Shopify against your needs. Read our Shopify vs WooCommerce comparison.
Get 2-3 quotes from agencies. Vet thoroughly using the criteria above.
Plan timing carefully. Don't migrate during your busiest season. Q1 or summer for most retailers.
Set realistic expectations for the recovery period.

Where to go next

Related guides:

Or get help with your migration:

Shopify development services — full migrations and new builds
Free 30-minute consultation — we'll review your current store and give honest advice
Request a quote — for a written migration proposal

Migration is disruptive. It's expensive. It's stressful. But for the right retailer at the right stage, it transforms how the business operates. The trick is being honest about whether you're that retailer at that stage — and choosing a partner who'll be honest with you about it too.

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Migrating Your UK E-commerce Store to Shopify: The Honest 2026 Guid