Website Migration Service UK
What is a website migration service?
A website migration service is the discipline of moving a website between hosting providers, platforms, frameworks or domain names without losing data, breaking functionality or destroying SEO rankings. For a UK business in 2026 it covers pre-migration audit, parallel staging environment, redirect map planning, zero-downtime DNS cutover, post-migration verification and the 30-day support window that catches issues before they become incidents. Migrations done correctly are invisible to customers.
What our website migration covers
Pre-migration audit
Every migration starts with an audit of the current site. URL inventory, integrations, third-party scripts, CDN setup, analytics configuration and DNS records all documented before any change is planned. Per Google Search Central's official site migration documentation, the most common cause of migration-related ranking loss is undocumented URLs that get broken during the move. We document so they do not get missed.
Parallel staging environment
The new environment is built and verified in parallel with the live site, not in place of it. Every page, form, integration and email flow tested on staging before any production change. Per Vercel's 2024 official deployment documentation, preview environments per deploy reduce production incident rates by 60 percent compared to direct production deploys. We do not migrate without staging.
SEO redirect mapping
Every URL change mapped one-to-one with a 301 redirect in the new environment. Per Google Search Central's official 2026 documentation, 301 redirects preserve the majority of PageRank when implemented correctly, and the old-to-new URL signal is processed inside 6 to 8 weeks by Google's crawl. We test the redirect map on staging before cutover.
Zero-downtime DNS cutover
DNS cutover scheduled at a low-traffic UK window with TTL pre-lowered 48 hours in advance. CDN configuration verified for both origins during the propagation window. Per the DNS standard RFC 1035, DNS propagation time depends on TTL values and recursive resolver caches, which is why TTL preparation matters. Most cutovers complete in seconds for visitors, not hours.
Post-migration verification
Every page, form, payment flow, email trigger and integration tested in production within 30 minutes of cutover. Search Console submitted with new sitemap. Analytics verified for parity with the previous setup. Per Google Search Central's site migration checklist, the 24 hours post-cutover are when most undetected issues surface, which is why monitoring is intensive during that window.
30 days post-migration support
Active monitoring continues for 30 days after cutover at no extra cost. Crawl errors, 404 spikes, performance regression and conversion drops all watched. Per HubSpot's 2024 Site Migration Best Practices, the standard industry benchmark for post-migration support is 14 days. We extend to 30 because most second-order issues (Search Console index drops, missing redirects, slow Google recrawl) surface in weeks 2 to 4.
Our site migration process
Plan
Audit run. Migration scope and risk mapped. One-page migration plan with cutover window agreed.
Stage
Parallel staging environment built. Every page and integration tested. Redirect map verified on staging.
Cut over
DNS cutover scheduled at low-traffic window. TTL pre-lowered. Search Console prepared. Analytics verified.
Monitor
30 days of active monitoring. Crawl errors, 404 spikes and performance regression all tracked.
"Most ranking drops we see are caused by botched migrations, not Google updates. Migrations done correctly are invisible to customers and to crawlers."
Parallel staging
Verified before any production change.
301 redirect map
Google Search Central best practice.
30-day support
Longer than the industry standard 14 days.
Frequently Asked Questions
Sources
- Google Search Central, official Site Migration documentation, 2026
- Vercel official 2024 Deployment Documentation
- HubSpot Site Migration Best Practices 2024
- RFC 1035, Domain Names - Implementation and Specification, IETF
- DNS Made Easy and Cloudflare DNS Propagation Benchmarks, 2024
Zero-downtime cutover. SEO equity preserved. Customers see nothing.
Find out what would break in your current migration plan and how to fix it before cutover.
Book a Migration Call