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For startups, companies and modern online brands.

Build something bold
on a short .co Domain.

Secure a concise address for your company, product or personal brand with live availability and straightforward renewal pricing.

.co £29.95 Modern .co.uk £7.95 .net £14.95 .com £13.95
  • Fast Registration
  • WHOIS Privacy Included WHOIS Privacy
  • Clear Renewal Pricing Clear Renewals
  • 24/7 UK Support
oXnames domain specialist presenting .co domain search and DNS tools
Mini Knox helping with domain name ideas
Knox AI Naming Coach

Need a sharp name for your company?

Tell Knox what you are building and who it is for. It will create relevant .co ideas and check their availability live.

Simple 4-Step Onboarding

How .co Registration Works

Search live availability, choose your term and complete registration through the secure Knox ordering system.

search
1. Search Domain

Type your company, product, startup or brand name. Knox checks live registry availability and formats the .co search cleanly.

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2. Choose Term

Choose the available registration term. Add optional web hosting or professional email if needed, or continue with the domain alone.

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3. Registrant Details

Enter accurate contact details for the registrant. These details form the ownership record held for the domain.

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4. Manage in Knox

Once registration completes, manage renewal, nameservers and supported DNS options from your Knox account.

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Domain Ownership and Contact Details in Plain English

A .co registration needs accurate ownership and contact information. Where privacy is available, proxy details can be shown publicly while your verified account information remains with the registrar.

Personal registrations

Use your real name and current contact details. WHOIS privacy can protect eligible personal information from routine public lookup.

Company registrations

Register the name to the correct company or trading entity and keep its address, email and telephone details accurate.

Transparent Term Pricing

Clear, Honest Pricing with Zero Renewal Traps

Registration and renewal prices are loaded directly from Knox, so the amount shown here matches the price used when you continue to checkout.

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Register

New .co

£29.95

/year
What’s included
  • icon Global .ORG Registration
  • icon WHOIS privacy where available
  • icon Instant DNS Control Panel
  • icon £29.95/year
Search .co
Popular
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Renew

Keep Your Name

£29.95

/year
What’s included
  • icon Global .ORG Registration
  • icon Clear renewal pricing
  • icon Instant DNS Control Panel
  • icon Manage auto-renew from Knox
Manage Domains
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Transfer

Move to oXnames

Simple

domain transfer
What’s included
  • icon Keep your existing registration
  • icon Nameserver control in Knox
  • icon UK support if you need help
  • icon Any charge confirmed before transfer
Start a Transfer
Bring Your Domain to oXnames

Already have a .co domain elsewhere?

Move its management into Knox using the domain's transfer authorisation code. Your website and email can remain in place while the registrar transfer completes, and any charge is shown before you confirm.

Start Transfer
Optional Ecosystem Next Steps

Build Around your .co Domain

Launch your company website, create professional email or point the domain at an existing platform. The domain remains fully usable as a standalone purchase.

Search .co domains
driver
Web Hosting

UK RAID 10 Web Hosting

UK hosting built on resilient RAID 10 SSD storage in Nottingham and Coventry, with straightforward management through Knox.

  • icon RAID 10 SSD Storage
  • icon Optional backup services
  • icon One-Click WordPress Installer

£5.95/mo

View Hosting
email
Domain Email

Professional Email

Create addresses such as hello@yourcompany.co. Keep sales, customer and partnership messages on your own domain.

  • icon 10 GB Secure Mailbox Storage
  • icon Built-in Spam & Antivirus Guard
  • icon Webmail & Outlook/Mobile Sync

£2.49/mo

View Email
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Included with the Domain

DNS Management

Manage supported DNS records, nameservers and URL forwarding through Knox, whether the site is hosted with oXnames or elsewhere.

  • icon Free SSL Certificate Auto-Renew
  • icon Unlimited A, CNAME, MX Records
  • icon Domain Forwarding & Stealth

FREE

/with domain
Search Domains
Live Global Domain Search

Check your .co name in Knox

yourbrand.co

Live check in Knox

Knox checks the registry, then shows available alternatives, live prices and transfer options without making you sign in first.

Registration £29.95
£29.95/year
Check availability No account required to search

Useful company name routes

Examples update as you type above

yourbrand.co

Your exact brand name

£29.95/ first year
Check
yourbranduk.co

A clear UK-focused variation

£29.95/ first year
Check
yourbrandonline.co

A digital-first variation

£29.95/ first year
Check
getyourbrand.co

An action-led brand variation

£29.95/ first year
Check
A Short Address for Modern Brands

Built for Ideas Ready to Become Companies

A concise .co address suits businesses that want a clean, international identity without tying the brand to one product or location.

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Startups & New Companies

Give a new venture a short, memorable address that works from its first launch through future growth.

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Digital Products

Create a compact home for an app, platform, service or software product that needs an international identity.

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Creators & Consultants

Use one professional address for your portfolio, enquiries, services and branded email.

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International Brands

Choose a location-neutral address for a company serving customers across the UK and beyond.

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Honest SEO guidance: what a .co can and cannot do

A .co does not guarantee a search ranking. Useful content, technical quality and genuine authority matter far more. A clear, memorable .co can still help people recognise, trust and return to your brand.

Choose a Name Customers Remember

Naming a Strong .co Domain

Keep the address easy to say, easy to type and broad enough to represent the business as its products and audience grow.

01

Keep it Concise & Punchy

Shorter names are easier to type on smartphones and remember.

Aim for 1 to 3 words (under 15 characters total). Avoid cluttering your brand name with unnecessary filler words.

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Do Example

launchpad.co

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Avoid

our-new-company-online.co

02

Pass the Radio Test

Ensure your name is easy to spell when spoken out loud.

If you mention the address in a podcast, video or conversation, will a listener know how to spell it without having to see it written down?

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Do Example

northstar.co

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Avoid

n0rth-star-online.co

03

Avoid Awkward Hyphens

Hyphens and double letters cause accidental typos.

Long strings, awkward hyphens and repeated letters make a domain harder to share in conversation, advertising and customer emails.

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Do Example

buildbetter.co

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Avoid

build-better-company-online.co

04

Choose a Name That Can Grow

Give the company room to expand its products and reach.

A useful .co can develop from a first product into a wider company or international brand. Avoid a name that restricts every future idea to one narrow service.

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Do Example

openstudio.co

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Avoid

only-2026-local-app.co

Frequently Asked Questions

Your Questions, Answered

.co is a short domain extension used worldwide by companies, startups, digital products, creators and modern online brands. It can be a concise choice when you want a clean, location-neutral address.

A new .co registration is £29.95 for one year. The renewal amount is £29.95. Prices are loaded from Knox and match the amount used at checkout.

Individuals, sole traders, companies and other organisations can register an available .co. Accurate registrant and contact details must be supplied during checkout.

Yes. Unlock the domain at its current registrar, obtain the transfer authorisation code and start the transfer in Knox. Keeping the existing nameservers in place allows the website and email to continue during transfer.

Registration is submitted electronically after a successful order. The domain normally appears in your Knox account quickly, although DNS changes can take additional time to update across different networks.

Yes. A domain registered with oXnames can point to our hosting, another provider, a website builder or your own DNS service. Nameservers and supported DNS records can be managed from Knox.

No. .co and .com are separate domain extensions. A short .co can be a strong alternative when the matching .com is unavailable, but a brand that depends heavily on direct traffic may choose to secure both where possible.

The extension does not create an automatic ranking advantage. Search visibility depends more on useful original content, technical quality, links and reputation. A concise .co address can still make a brand easier to remember and revisit.

Yes. Use nameserver or DNS controls in Knox to point the domain to your existing website and mail provider. You can also add oXnames website hosting or professional email separately without changing the domain registration itself.
oXnames support

Your .co starts here

Search live .co availability, compare useful alternatives and continue through the secure Knox checkout when you find the right name.