Start with the Nominet record, because it decides everything
Before you argue with anyone, look up the record. For a .co.uk, .org.uk or .uk name, use Nominet's own lookup at nominet.uk/lookup. It is free and takes about ten seconds. Nominet is the registry for .uk names, so its record is the one that counts, not what your designer's control panel says.
You will see a handful of fields: the domain name, the Registrant, the Registrant type, the Registrant's address, the Registrar and its tag, the registration and expiry dates, and the name servers. Read the Registrant line first. If it shows your business name, or your own name, you are in a far better position than you probably feared.
If it shows your designer, their limited company, or their hosting brand, that is the real problem and everything else follows from it. Where it names a limited company, look that company up on Companies House for free and check it is still active. Two things can obscure the answer: a private individual who is not trading can opt out of showing their address, and some domains are held through a reseller, which appears as a separate line. If the record looks blank or plainly wrong, contact Nominet and ask.
Registrant, tag holder, admin contact: only one of them is the owner
The registrant is the legal holder of the domain. Nominet's registration contract is with the registrant, not with whoever happened to set the domain up. This is the only line on the record that answers the question "is it mine".
The registrar, also called the tag holder, is the company whose IPS tag sits on the domain. They manage the record on the registrant's behalf. They do not own the name. Moving the tag from one company to another changes who manages it and changes nothing at all about who owns it. If your designer bought the domain through a reseller account, you may also see a "Registered through" line, which is simply the company in the middle.
The admin contact, the technical contact and the registrant email address are contact details, not ownership. They still matter enormously in practice, because the registrant email is what logs you into Nominet Online Services. Designers who put their own email in that field end up holding the keys without owning the house, and that is the single most common reason people get stuck.
What an IPS tag is, and how a .co.uk transfer actually works
An IPS tag is a short code identifying the registrar looking after a .uk domain. IPS stands for Internet Provider Security, which tells you roughly how old the system is. Tags look like STACK or GODADDY. Every .uk domain has exactly one. There is no auth code, no EPP code and no transfer key for a .co.uk, so if anyone asks you to fetch one, they have confused .uk with .com.
A .co.uk transfer is simply a tag change. The company currently holding the tag replaces it with your new provider's tag. In most systems that happens instantly. Your new provider then claims the domain into their account, usually by entering the domain name and confirming. Nothing else moves. The owner stays the same, the expiry date stays the same, and no extra year is added or charged.
Here is the part most people are never told: if your current provider will not do it, you can. Nominet lets registrants manage their own domains through Nominet Online Services at secure.nominet.org.uk, and you can change the registrar from there. Nominet's published fee for a change of registrar that it processes itself is £10 plus VAT per domain. The catch is that you log in using the registrant email address on the record, so if that inbox belongs to your designer, read the next two sections.
A .com works nothing like a .co.uk
A .com, .net or .org sits under ICANN rules and moves between registrars, with no involvement from Nominet. To move one you need an authorisation code, usually called an auth code or EPP code. You also need the domain unlocked, meaning the status clientTransferProhibited has been removed. Your current registrar has to provide both.
You hand the code to the new registrar and they start the transfer. The old registrar emails the contact on file to confirm it. If nobody clicks anything, the transfer normally completes on its own after about five days. Unlike a .uk tag change, a .com transfer adds a year to the registration and you pay for that year.
Locks catch people out. A .com usually cannot be transferred within 60 days of being registered, or within 60 days of a previous transfer, and historically also within 60 days of any change to the registrant details. ICANN has been reworking those rules, so ask your new registrar what applies right now rather than trusting an old blog post. If a registrar flatly refuses to release a name without a proper reason, you can raise a complaint with ICANN Contractual Compliance.
If your designer is named as the registrant instead of you
Ask first, in writing, and be specific. Name the exact legal entity that should be the registrant, give its full registered name and address, and ask them to complete a change of registrant. On a .uk name that is done through Nominet Online Services, Nominet's fee is £10 plus VAT, and the incoming registrant then has five days to accept before the request times out. Plenty of designers are not being difficult, only disorganised, and a clear polite request settles it.
If they say no, whether they are entitled to keep it is a genuine legal question and not one I can answer for you. It turns on what your contract says, what you actually paid for, and what was agreed at the time. Designers sometimes claim a right to hold a domain against an unpaid invoice. Whether that stands up in your circumstances is exactly the sort of thing to put in front of a solicitor, and an hour of proper advice is worth it before you spend months arguing.
Whatever route you take, start gathering evidence today. Find the invoices showing you paid for the domain or its renewals, the emails where it was set up for your business, and anything proving you and only you have used it. That evidence is not only for a solicitor. It maps directly onto what Nominet's dispute experts look at, which is the subject of the next section.
If they still refuse: the Nominet dispute route, and what it will not fix
Nominet runs a Dispute Resolution Service, the DRS, for .uk names. To win you must show two things: that you have Rights in a name identical or similar to the domain, and that the registration is abusive in the hands of the person holding it. Paragraph 5.1.5 of the DRS policy describes this situation almost word for word. It treats as evidence of an abusive registration a domain registered as a result of a relationship between the two parties, where you have been using the registration exclusively and paid for the registration or its renewal.
Know the counter argument too. Paragraph 8.1.3 lets the other side reply that their holding of the domain is consistent with an express term of a written agreement between you. So if you signed something years ago saying they hold the domain, that will very likely sink the complaint. The DRS also will not settle an argument about money. It decides who should hold the name and nothing else. A fee dispute belongs in the county court or in a negotiated settlement.
The mechanics: you file a complaint, the other side has 15 days to respond, Nominet provides free mediation, and only if that fails does it reach an expert. Published fees are £200 for a summary decision where there was no response, £750 for a full expert decision and £3,000 for an appeal. Since 7 July 2026 complaints are filed with and administered by WIPO, while the policy, the experts and Nominet's mediation are unchanged. Check the current fees before filing, as they do change. When you finally get the domain back, put it somewhere you control directly, in your own name, with your own email on the record. That is how I set every client up, so nobody ever has to read a guide like this twice.
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Common questions
Will changing the IPS tag take my website or email down?
No, not by itself. A tag change only moves who manages the registration. Your DNS records, and therefore your website and email, carry on pointing wherever they already point. Things break when the old provider also hosts the site or the mailboxes and switches them off afterwards. Before you move anything, write down every DNS record, especially the MX records for email, and get your website files and any database exported. Move the domain first, then the hosting.
Can my web designer legally keep my domain because I owe them money?
That is a legal question and the honest answer is that it depends, so take proper advice. It turns on your contract, what the invoice covers, and what was agreed when the domain was registered. Being listed as the registrant is not the same as being entitled to stay listed. Equally, an unpaid bill is a real debt and ignoring it will not help your position. A short letter from a solicitor often shifts these situations faster than anything else.
How long does a .co.uk transfer take?
The tag change itself is usually instant, and claiming the domain at the new provider takes minutes. If you do it yourself through Nominet Online Services, allow a day or two for the account setup and the payment to clear. Getting an unwilling designer to cooperate is what takes the time, not the technology.
What if the registrant email on the record is my designer's, not mine?
Then you cannot simply log into Nominet Online Services, because that login is tied to the registrant email address. Contact Nominet directly, explain that you are the business behind the domain and cannot reach the email on file, and ask what evidence they need to verify you. They deal with this constantly. If that goes nowhere, you are back to the DRS or to legal advice.
What if the designer's company has been dissolved?
Check on Companies House first to confirm the status. When a company is dissolved its assets can pass to the Crown as bona vacantia, which makes an already awkward situation more awkward. Contact Nominet, explain the position and ask what they need from you. This is one of the situations where paying for an hour of legal advice early is far cheaper than the alternative.