Identity
Domains
Find and register the perfect domain with DNS, forwarding and privacy options.
Explore →.co.uk domain · register from $19.00/yr — field guide & FAQ
CO.UK TLD ENCYCLOPEDIA
Register .co.uk
In use since 1985. Carries enormous trust signal for UK consumers. Free inbound transfers, generous grace period.
Register $19.00/yr
Transfer $0.00
Renew $19.00
Already own a .co.uk? Beam it home →
★ DOSSIER · CO.UK ★
What is .co.uk?
The original commercial second-level for the UK, dating to 1985. Still the most-used extension for British businesses.
★ Mission log · Interesting facts
- bbc.co.uk launched in 1994, just a few years after the World Wide Web itself — one of the oldest large news websites on Earth.
- .co.uk remains the dominant UK extension despite the 2014 launch of shorter .uk.
- UK consumers actively trust .co.uk for shopping — many studies show higher conversion rates vs .com for UK e-commerce.
- Nominet uses surplus revenue to fund cybersecurity initiatives including Cyber 9/12 for university teams.
★ ADOPTION RECORDS ★
Who uses .co.uk
★ Notable transmissions
- BBC.co.uk
- Tesco.co.uk
- Sainsburys.co.uk
- Argos.co.uk
- TheGuardian.co.uk
- virtually every UK business
★ Sectors of operation
- UK retail
- Banking
- Insurance
- Education
- Media
- Tourism
- Government suppliers
★ MISSION MODULES ★
Great products for .co.uk
Pair your .co.uk with any of the tools in the Rocket Domains suite — DNS, hosting, secure email, workspaces, and more.
Cloud
Planetary Cloud
Fast, secure global cloud hosting with WordPress, SSL, CDN and backups.
Explore →
Private work
Space Email
Secure mail, calendar, drive, meet and collaboration for cosmic professionals.
Explore →
Free starter
Orbit Email
Free mail included with eligible domain registration, transfer or web hosting.
Explore →
★ MISSION DURATION ★
The .co.uk lifecycle
From registration to expiry — and the recovery windows if you miss a renewal.
-
01
Registration
1 year minimum. Renewable up to 10 years for most TLDs. Lock in early for budget certainty.
$19.00 · first 1 year -
02
Active period
Your domain is fully active. Renew anytime up to expiry — no penalty, no downtime.
$19.00 · per 1 year renewal -
03
Grace period
If you miss the renewal date, your domain still works during the grace period. You can renew at the normal price — no extra fees.
90 days -
04
Release
After all recovery windows close, the name returns to the public pool and anyone can register it again.
Anyone can register
★ ENTRY REQUIREMENTS ★
Who can register .co.uk
✓ Open to all earthlings
Open globally.
★ FREE WITH EVERY DOMAIN ★
What ships with your .co.uk
Every domain at Rocket Domains comes bundled with the essentials for getting online — included at no extra cost.
Premium Global Planetary DNS
Anycast DNS network with DDoS protection — 100% uptime SLA.
Mailbox
Custom email address at your own domain.
Calendar
Shared calendars with scheduling and invites.
Contacts
Address book that syncs across devices.
Email Forwarding
Route mail from your domain to any existing inbox.
Domain Forwarding
Send visitors from any domain to any URL.
COMS Interactive Website
Free tier — no-code site builder ships with every domain.
DNSSEC
Cryptographic DNS signing to prevent domain hijacking.
★ FREE WITH PLANETARY CLOUD ★
Add hosting, unlock more
Add Planetary Cloud hosting and your .co.uk picks up another layer of premium tools — included.
Premium Speed
Google Cloud-grade infrastructure with intelligent caching.
Security & SEO Tools
WAF, malware scanning, daily backups, and built-in SEO toolkit.
Free Migration
White-glove migration from any host — included with hosting.
USA Directory Listing
Free listing on usa.directory — local discovery for US visitors.
Planetary CDN
Edge caching across 100+ global locations for fastest delivery.
Automatic Daily Backups
Restorable snapshots of your full site, retained for 30 days.
Free SSL Certificate
Auto-issued and auto-renewed Let's Encrypt SSL.
Analytics & Reporting
Visitor insights, performance metrics, and uptime monitoring.
★ FREQUENT TRANSMISSIONS ★
.co.uk FAQs
The most-asked questions from earthlings, answered.
Is .co.uk better than .uk for SEO?
Both work, but UK consumers more readily recognize .co.uk. Many businesses own both; most prefer to lead with .co.uk for brand reasons.
Can a US business buy .co.uk?
Yes — no residency restrictions. Many global brands hold both .com and .co.uk for UK market presence.
Why does .co.uk grace period last 90 days?
Nominet's policy. Generous compared to most TLDs and forgiving for accidental expiries.
Is the .co.uk transfer free?
Yes — Nominet doesn't charge for inbound transfer. Rocket Domains passes that on at zero cost.
Ready to claim your .co.uk?
From $19.00/yr, with free email, planetary DNS, and privacy included. No surprises, no upsells, no fuel required.