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Website & Domain Sale Agreement UK: Full Guide

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Written by Brad Askew Solicitor (non-practising)
Brad is on the roll of solicitors of England & Wales but does not hold a practising certificate and does not provide legal advice.
Updated June 2026 · England & Wales
Buying or selling a website has moved from niche transaction to everyday business. Whether you're acquiring an established ecommerce store, offloading a side project, or transferring a blog with an engaged audience, the deal almost always involves more than just a URL. You're dealing with content, code, customer data, hosting arrangements, supplier relationships and, crucially, a domain name that carries its own reputation and technical setup. A Domain Name and Website Sale Agreement is the contract that pulls all of this together. It sets out who is selling what, for how much, and on what terms, and it protects both sides if something goes wrong after completion. In this guide I'll walk through what the agreement covers, why each section matters, and the practical issues I see come up most often when website sales happen in England and Wales.

What this document is

A Domain Name and Website Sale Agreement is a written contract between a seller and a buyer that records the sale of a website as a whole, including the domain name, the site files, any databases, content, images, and associated rights. It can be used whether the seller is a private individual offloading a personal project or a limited company selling a commercial asset.

The agreement typically deals with three linked transfers: the domain name itself (which sits with a registrar), the website files and any hosting assets, and the intellectual property that makes the site valuable. It also sets out payment terms, warranties from the seller about what they're selling, restrictions on what the seller can do afterwards (such as not launching a direct competitor), and how disputes will be handled.

Without a clear written agreement, buyers can end up paying for something they don't actually own and sellers can face claims months after they thought the deal was done.

How to use this document

  1. Agree the scope of what's being sold. Before signing anything, list exactly what transfers with the site: the domain name, subdomains, source code, content, images, user accounts, email lists, social media handles, and any third-party accounts like payment gateways or analytics. Ambiguity at this stage is where most post-sale arguments start, so be specific.
  2. Confirm ownership and carry out due diligence. The buyer should verify that the seller actually owns the domain and the content on the site. Check the registrar records, ask about any licensed or stock imagery, and confirm there are no outstanding chargebacks, hosting debts, or third-party claims. A seller who can't evidence clean ownership is a serious red flag.
  3. Settle price, payment method, and escrow. Decide whether payment will be a single sum, staged, or held by an escrow agent until transfer completes. For anything beyond a small sum, escrow is worth the fee because it protects the buyer from paying for a site that never transfers and protects the seller from transferring a site that never gets paid for.
  4. Handle the technical transfer properly. The domain needs to be unlocked, an authorisation code issued, and the transfer initiated with the new registrar. Website files, databases, and admin access should be handed over in a controlled way, ideally with a short handover period where the seller answers questions. Document every credential handed over.
  5. Sign the agreement and keep records. Both parties should sign the final written agreement before any money or access changes hands, and each should keep a copy along with evidence of the transfer. This paperwork becomes important if a warranty claim, tax question, or ownership dispute arises later.

Common questions

If you're dealing with this kind of situation, speak to an experienced legal adviser who can walk you through it — from £89.

Common questions

Q Do I need a written agreement to sell a website in the UK?
Technically a verbal agreement can create a contract, but in practice selling a website without a written agreement is risky for both sides. A written contract records exactly what is being transferred, what warranties the seller is giving, and how payment works. It also gives you something concrete to rely on if the other party disappears, changes their mind, or disputes what was sold. For any meaningful sum, put it in writing.
Q What is a non-compete clause and do I need one?
A non-compete clause stops the seller from launching a directly competing website or poaching customers for a defined period after the sale. Buyers usually want one because they're paying for an established audience and don't want the seller to rebuild the same thing next month. To be enforceable in England and Wales, the restriction must be reasonable in scope, duration, and geography. Overly broad clauses are often struck down.
Q How does the domain name actually transfer between parties?
Domain transfers happen at the registrar level, not through the contract itself. The seller typically unlocks the domain, generates an authorisation code (sometimes called an EPP code), and the buyer uses that code to pull the domain to their own registrar account. The contract should record that the seller will cooperate with this process and shouldn't reverse it after payment.
Q What warranties should the seller give?
Common warranties include that the seller owns the domain and content, that the site doesn't infringe anyone else's intellectual property, that there are no outstanding legal claims or disputes linked to the site, and that any revenue figures shared are accurate. Warranties give the buyer a contractual route to recover losses if something the seller said turns out to be untrue.
Q Should I use an escrow service for the payment?
For anything beyond a small sum, escrow is strongly worth considering. An escrow agent holds the buyer's money until the domain and site have been successfully transferred, then releases funds to the seller. This removes the awkward chicken-and-egg problem of who goes first. There are established domain escrow services that handle these transactions routinely.
Q What happens to customer data when a website is sold?
If the site holds personal data about customers or users, UK GDPR and the Data Protection Act 2018 apply to the transfer. The buyer effectively becomes the new data controller, and there are obligations around lawful basis, privacy notices, and sometimes notifying affected individuals. This is an area where getting the details right matters, especially for ecommerce sites or any platform with user accounts.
Q Is VAT payable on the sale of a website?
It depends on whether the seller is VAT-registered and how the sale is structured. Sales of business assets can attract VAT, though some transfers qualify as a transfer of a going concern and fall outside the scope of VAT if specific conditions are met. The VAT treatment can materially affect the net amount each side receives, so it's worth getting this clear before signing.
If you're dealing with this kind of situation, speak to an experienced legal adviser who can walk you through it — from £89.

Sources

This guide is based on primary UK law and official guidance.

Brad Askew, Solicitor (non-practising)

Written & reviewed by

Brad Askew Solicitor (non-practising)

Brad is on the roll of solicitors of England & Wales but does not hold a practising certificate and does not provide legal advice. LegalDocuments.co.uk is not a law firm and does not provide regulated legal advice.

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Legal disclaimer
This article is for general information only. It is a tool to help you find your way — not legal advice, and not a substitute for speaking to a qualified adviser about your situation.