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how to draft a non-compete agreement uk

How to Draft a Non-Compete Agreement in the UK

If you need to know how to draft a non-compete agreement in the UK, the first thing to understand is that UK courts do not automatically enforce them. A non-compete clause — whether in an employment contract, a shareholder agreement, or a business sale — is only valid if it protects a legitimate business interest and goes no further than reasonably necessary. That means getting the scope, geography, and duration right is not optional. Too broad and a court will strike it out entirely. Too narrow and it offers no real protection. This guide walks you through what must be in a UK non-compete agreement, what makes one enforceable, and where founders typically go wrong. It covers post-termination restrictions for employees, clauses in business sale agreements, and standalone non-compete deeds. If your situation involves senior executives, complex equity arrangements, or a business acquisition, you should involve a solicitor. For most standard cases, this guide and Atornee's document tools will get you to a solid first draft.

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Why this matters

Most UK founders reach for a non-compete clause when they are worried about a departing employee joining a competitor or a co-founder walking away with client relationships. The problem is that a badly drafted non-compete is worse than useless — it gives you false confidence while being completely unenforceable. UK courts apply a strict reasonableness test under common law restraint of trade doctrine. If your clause is too wide in geography, duration, or activity, a judge will not rewrite it for you — they will void it. Founders also frequently confuse non-competes with NDAs, or forget to include them in the original contract rather than adding them later, which creates separate enforceability problems.

The Atornee approach

Atornee lets you generate a UK-specific non-compete agreement that is structured around what courts actually look for: a defined legitimate interest, proportionate restrictions, and clear drafting. You answer a short set of questions about your situation — employee or contractor, seniority, industry, geography, duration — and Atornee produces a document built on UK legal standards, not a generic US-style template. You can review it clause by clause, ask questions about specific terms, and export it ready to use. It is not a substitute for a solicitor on high-stakes matters, but for most standard employment or contractor non-competes, it gets you to a legally grounded draft without the hourly rate.

What you get

A UK-compliant non-compete agreement structured around the common law reasonableness test, covering legitimate business interest, geographic scope, duration, and restricted activities
Clause-level explanations so you understand what each restriction does and why courts care about it — not just boilerplate you have to trust blindly
Guidance on tailoring restrictions by seniority, role, and industry so your clause has a realistic chance of holding up if challenged
A document you can use standalone or incorporate into an employment contract, shareholder agreement, or business sale deed
Clear flags on where your specific situation may need a solicitor to review — so you know when to escalate before it becomes a dispute

Before you sign checklist

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1. Identify the legitimate business interest you are protecting — client relationships, trade secrets, or confidential know-how — because without one, the clause will fail
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2. Define the geographic scope based on where your business actually operates, not where you wish it operated — courts will not enforce restrictions wider than your real footprint
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3. Set a duration that reflects how long your business interest genuinely needs protection — six to twelve months is typical for most employees; longer periods require stronger justification
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4. List the specific activities being restricted rather than using catch-all language — vague restrictions are easier to challenge
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5. Check whether the restriction is going into an existing contract or a new one — adding a non-compete after employment has started requires fresh consideration to be enforceable
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6. Consider whether you also need an NDA alongside the non-compete, since they protect different things — confidentiality versus competitive activity
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7. Have a solicitor review the final document if the employee is senior, has equity, or if the restriction period exceeds twelve months

FAQ

Are non-compete agreements enforceable in the UK?

Yes, but only if they pass a reasonableness test under UK common law restraint of trade doctrine. The restriction must protect a legitimate business interest — such as client relationships or trade secrets — and must be no wider than necessary in terms of scope, geography, and duration. Courts will not rewrite an overly broad clause; they will void it entirely. Enforceability is assessed case by case, so there is no guaranteed formula.

How long can a non-compete last in the UK?

There is no statutory maximum, but courts are sceptical of anything beyond twelve months for most employees. Six to twelve months is the typical enforceable range for senior staff with genuine access to confidential relationships or information. Longer periods are sometimes upheld in business sale agreements, where the seller has received payment partly in exchange for the restriction, but even then they need to be proportionate.

Can I add a non-compete to an existing employment contract?

You can, but it needs to be supported by fresh consideration — something of value given to the employee in exchange for agreeing to the new restriction. Continued employment alone is generally not enough. A pay rise, a promotion, or a one-off payment are common ways to provide consideration. Without it, the clause may be unenforceable even if the employee signs it.

What is the difference between a non-compete and an NDA?

A non-compete restricts what someone can do after leaving — typically working for competitors or soliciting your clients. An NDA restricts what information they can share. They protect different things and you often need both. An NDA alone does not stop someone from joining a competitor; a non-compete alone does not stop them from sharing your trade secrets with a third party who is not a direct competitor.

Do non-competes apply to contractors and freelancers in the UK?

They can, but the enforceability analysis is slightly different. Courts apply the same reasonableness test, but they also consider whether the restriction is consistent with the contractor's genuinely self-employed status. A very broad non-compete on a freelancer may be harder to justify. If you are using non-competes with contractors, make sure the rest of the contract is consistent with genuine self-employment — otherwise you risk both an unenforceable clause and an employment status challenge.

When should I get a solicitor to review my non-compete agreement?

If the employee is a senior executive, a co-founder, or someone with equity in the business, get a solicitor involved. The same applies if the restriction period is longer than twelve months, if the clause is part of a business sale or shareholder agreement, or if you are trying to enforce an existing clause through litigation. For standard employment non-competes covering mid-level staff, a well-drafted template reviewed against this guide is a reasonable starting point.

Related Atornee Guides

Cheap Contract Solicitor Alternative (UK)

Useful if you want to understand the broader options for contract drafting without full solicitor fees.

Cheap Solicitor for NDA (UK)

Non-competes and NDAs are often needed together — this covers the confidentiality side of the same situation.

Atornee Use Cases

See how UK founders and HR teams use Atornee across different contract and document workflows.

External References

GOV.UK Business and Self-employed

Official UK government guidance on employment and business operations, including contract obligations.

UK Legislation

Primary statutory reference for UK contract law and employment legislation relevant to restrictive covenants.

ICO Guidance for Organisations

Relevant where non-compete agreements intersect with data protection obligations around employee or client data.

Trust & Verification Policy

Authored By

A

Atornee Editorial Team

UK Employment and Contract Law Research

Reviewed By

C

Compliance Review Desk

UK Business Legal Content QA

Last reviewed on 3/4/2026

"This content is based on analysis of UK case law on restraint of trade, common drafting patterns in UK employment contracts, and the practical questions UK founders ask when protecting their business on exit of staff or co-founders. It reflects the standards UK courts apply when assessing enforceability of post-termination restrictions."

References & Sources