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Your UK Website Migration -- Zero Downtime, Full SEO Transfer

If you're a UK marketing director watching organic rankings slip while your dev team argues about WordPress vs. headless, you've hit the rebuild moment.

We migrate WordPress, Drupal, TYPO3, and Sitecore to headless Next.js + Supabase stacks. GDPR-compliant, SEO-preserving, zero-downtime.

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Website Migration

Website migration is the structured process of moving an existing site from one platform, architecture, or hosting environment to another while preserving search equity, URL structures, and content integrity. For UK businesses running legacy CMS platforms, this means replacing slow, plugin-dependent monoliths with a headless Next.js front end backed by Supabase. The work spans technical auditing, redirect mapping, content transfer, and post-launch monitoring to confirm no organic traffic is lost.

What is holding your current website back?

Common gaps we find in nearly every audit.

Organic rankings built over years are at risk the moment a migration is handled without a complete redirect map and crawl validation.
Risk: A missed 301 or a silently broken canonical tag can wipe months of search equity before anyone notices the traffic graph moving.
Legacy CMS platforms like WordPress multisite or Sitecore impose database bottlenecks that cause Core Web Vitals failures at scale.
Risk: Poor LCP and INP scores now directly affect Google ranking position and are visible to users as slow, frustrating page loads.
UK organisations storing user data inside a CMS database often inherit GDPR exposure when that data moves across hosting environments without a documented transfer protocol.
Risk: An undocumented cross-border or cross-host data transfer can trigger ICO scrutiny and contractual liability with enterprise clients.

How We Build This Right

Every safeguard, built in from Day 1.

GDPR-Compliant Data Transfer

All content and user data is migrated under a documented transfer protocol that satisfies UK GDPR Article 28 processor requirements. We provide a data flow map covering source database, transit method, and destination environment before any migration begins.

Zero-Downtime Cutover

DNS cutover is staged using a blue-green deployment pattern so the legacy site remains live until the new environment passes automated smoke tests. Rollback is available for 48 hours post-launch without content loss.

Core Web Vitals Lock-In

We benchmark LCP, INP, and CLS on the legacy site before migration and set contractual targets for the new headless build. Lighthouse and field data from CrUX are reviewed at sign-off, not treated as a post-launch afterthought.

What We Build

Purpose-built features for your industry.

Full 301 Redirect Architecture

Every URL on the legacy site is crawled, categorised, and mapped to its equivalent on the new stack. Redirect chains are collapsed, soft 404s are identified, and the final map is tested against the staging environment before cutover.

Headless CMS Content Transfer

Structured content is extracted from WordPress, Drupal, TYPO3, or Sitecore via API or direct database export and imported into a headless CMS of your choice, with field mappings documented so your editorial team can publish on day one.

Supabase Database Migration

Application data, user records, and relational structures are migrated to Supabase with row-level security policies configured from the start. Schema changes required by the new front end are handled in versioned migrations, not ad hoc alterations.

Post-Launch Search Monitoring

For 60 days after cutover we monitor Google Search Console for coverage drops, manual actions, and crawl anomalies. Any redirect gaps or indexing issues that surface in live conditions are resolved within one working day.

Built on a Modern, Secure Stack

Next.js 15SupabaseVercelSanityPayload CMSPostgreSQLDockerGitHub Actions

Our Development Process

From discovery to launch. Quality at every step.

01

Migration Audit

1-2 weeks

We crawl the existing site in full, audit the CMS database schema, document all URL patterns, and produce a risk-ranked migration plan covering redirects, content structure, third-party integrations, and GDPR data flows.

02

Headless Build on Staging

4-6 weeks

The Next.js front end and Supabase back end are built against a staging environment populated with a full copy of your production content. Design QA, performance benchmarking, and editorial workflow testing happen here before any DNS change.

03

Redirect Mapping and Validation

1 week

The complete 301 map is loaded into the new stack and validated by automated crawl against the staging environment. Redirect chains, incorrect status codes, and missing entries are resolved before the cutover window is booked.

04

Cutover and Post-Launch Monitoring

1-2 weeks

DNS is switched using a staged cutover with the legacy site held in reserve. We monitor crawl rates, Search Console data, and Core Web Vitals field scores daily for 60 days, resolving any issues that emerge in the live environment.

Social Animal

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Frequently Asked Questions

Most migrations take 6-10 weeks, depending on page count and how complex the CMS is. Straightforward WordPress sites under 2,000 pages finish in around 6 weeks. Enterprise Sitecore or Drupal migrations with custom modules and 50,000+ pages run 12-16 weeks. Every project kicks off with a scoped audit -- no surprises.
No. We build a complete 301 redirect map before cutover, preserving every URL, canonical tag, hreflang attribute, and structured data markup. After launch, we watch Google Search Console for 60 days and fix crawl issues within 24 hours. Our clients retain 99.9% of organic traffic.
Yes. Supabase runs EU-hosted PostgreSQL with encryption at rest and in transit. We configure Row-Level Security for data isolation, rebuild consent tracking through Supabase Auth, and make sure all personal data processing meets UK GDPR and ICO requirements. Your data doesn't leave EU data centres.
Your existing site stays live throughout the entire build. On cutover day, we deploy to Vercel using a blue-green deployment -- the DNS switch is atomic and instant. Automated health checks verify every page before traffic moves to the new stack. Users never hit an error page.
Yes. We extract Advanced Custom Fields, custom post types, WooCommerce products, Gravity Forms submissions, and plugin-specific data via WPGraphQL or REST API. Custom functionality gets rebuilt as Next.js components using Supabase Edge Functions or native headless CMS features -- no plugin dependencies carried across.
Simple WordPress migrations start at £10,000 for sites under 2,000 pages. Mid-market Drupal or TYPO3 projects with custom content models typically run £20,000-£40,000. Enterprise Sitecore migrations involving multi-site, multi-language, and complex data relationships start at £60,000. All quotes are fixed-fee -- no hidden costs.
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