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There is no UK-wide three-month statutory cap on non-compete clauses in force. Under the current law described by the Department for Business and Trade (DBT), a post-termination non-compete is treated as a restraint of trade. It starts from a presumption of unenforceability unless the employer can show that the particular restriction is reasonable; a court decides enforceability if the clause is challenged.
That means neither a clause’s presence in a signed contract nor a short duration guarantees that it will stand. The wording, the job, the employer’s legitimate business interests, the information or relationships at risk, and the circumstances of the employee’s departure all matter. This guide explains how to read a clause, what the proposed reforms do and do not change, and what each side should do before taking action.
What is a non-compete clause?
A post-termination non-compete limits what an individual may do after employment ends. It commonly prevents the person from working for a named competitor, any business competing with the former employer, or a competing business that the person starts themselves. The restriction may apply for a stated period and sometimes within a defined geographical area.
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1Clear out junk files and repair common Windows errors2Scan for outdated or missing drivers - takes under a minute3Repair Windows errors before they cause bigger problemsEmployers use these clauses to try to protect interests such as confidential information, customer connections, investment and training. For an employee, the practical effect can be significant: a clause may restrict the jobs they can accept or the business they can launch during the restricted period. A clause is not the same as an employer’s general right to keep trade secrets confidential; those are separate contractual and legal issues.
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Is my non-compete clause enforceable in the UK?
DBT’s Working paper on options for reform of non-compete clauses in employment contracts states: “The starting point under current law is that a non-compete clause, as with any clause in restraint of trade, is unenforceable, unless the employer can demonstrate it is reasonable, which is assessed by a court if a challenge is brought as to the clause’s enforceability.”
Reasonableness is assessed clause by clause
There is no automatic result based only on the number of months written in the contract. A court looks at the restriction in its employment context. Relevant questions include what business interest the employer is protecting, whether the employee had access to information or relationships that could realistically harm that interest, how wide the prohibited activity is, and whether the period and any geographical limit go further than reasonably necessary.
The employee’s actual role matters. A restriction imposed on a senior employee with strategic knowledge may raise different issues from the same wording applied to a junior worker who had no access to sensitive plans or influential customer relationships. The employer must establish reasonableness; the employee does not have to prove that every restriction is excessive before the clause can be challenged.
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Signing the contract does not settle the question
Acceptance of an employment contract is evidence that the term was agreed, but it does not remove the restraint-of-trade test. Equally, a short clause is not automatically valid. A six-week restriction could still be drafted too broadly, while a longer period might be argued to protect a clearly identified interest in unusual circumstances. Only a court can give a binding decision on a disputed clause, and Acas warns that this area of law can be complex.
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Read the exact wording
Check whether the clause identifies competitors, activities, customers, locations and dates clearly enough to understand what is prohibited. “Any business that competes” can raise different issues from a list of specified businesses or products. Look for separate definitions of the restricted period, when the period starts, and whether the clause applies after dismissal, resignation, garden leave or payment in lieu of notice. Ambiguity and an over-wide definition can be important, but they do not create an automatic answer without considering the full contract and facts.
Is there a three-month limit on non-competes?
Not under the current law described by DBT. In May 2023, the government announced an intention to introduce a three-month statutory limit for non-compete clauses. That announcement referred to Great Britain—England, Wales and Scotland—and noted that employment law is devolved to Northern Ireland. The proposal said legislation would be brought forward when parliamentary time allowed.
DBT’s later working paper, issued on 26 November 2025 and updated on 19 February 2026, records that no action was taken on the announced limit. The 2023 statement is therefore policy history, not an operative cap. An employer cannot assume that a clause longer than three months is void, and an employee cannot assume that every clause of three months or less is enforceable.
The 2025–26 paper sought views on possible approaches rather than enacting a new rule. Its response period closed on 18 February 2026. Until legislation is passed and brought into force, the existing reasonableness principles continue to govern challenges.
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How is a non-compete different from other restrictions?
Acas lists several restrictive covenants. Identify which one appears in the contract before deciding what it prevents.
| Restriction | What it normally limits | Question to ask |
|---|---|---|
| Non-competition | Working for a competitor or starting a competing business after leaving | Which competing work or business is covered, for how long and where? |
| Confidentiality or non-disclosure | Using or revealing confidential information | What information is defined as confidential, and are ordinary skills and experience excluded? |
| Non-solicitation | Approaching or pursuing former employer customers or clients | Which customers are covered, and does the clause require a prior relationship? |
| Anti-poaching | Encouraging former colleagues or other workers to leave | Who is covered and what conduct counts as encouragement? |
| Exclusivity | Working for another organisation during the employment relationship | Is this an exclusivity term rather than a post-termination restriction? |
Exclusivity is a separate issue. Acas describes statutory restrictions on some exclusivity clauses, including provisions affecting zero-hours workers and people earning at or below the lower earnings limit. The Acas page gives that limit as £129 per week, but the amount depends on the tax year and it is not a non-compete threshold. Do not use the exclusivity rules to decide whether a post-termination non-compete is valid.
What should an employee do before joining a competitor?
- Obtain the complete contract. Read the non-compete together with definitions, confidentiality terms, non-solicitation wording, notice provisions, garden-leave clauses and any later variation. A document titled “restrictive covenants” may contain several different restrictions.
- Mark the dates. Record your termination date, notice period, any garden leave and the date the restriction is said to end. Check whether the clause runs from the last day actually worked or another contractually defined date.
- Describe the proposed work precisely. Note the employer, role, customers, products, territory and start date. A role that is not genuinely competitive may present a different issue from joining a direct rival in the same market.
- Protect information while deciding. Do not copy customer lists, pricing files, source code, strategy documents or other confidential material to a personal device or new employer. Keep evidence that you returned or deleted company material in accordance with the contract and workplace instructions.
- Ask focused questions in writing. You can ask the former employer to identify the clause relied on, the interest it says is protected and the period it says applies. Avoid making admissions about alleged breaches before obtaining advice.
- Check whether the employer has waived or changed the term. Written releases, settlement agreements, revised contracts and communications about notice can affect the practical position. Do not assume that silence is a waiver.
- Get advice before starting if the risk is material. Acas says restrictive-covenant law can be complex. An employment solicitor can assess the wording and facts, advise on correspondence and explain urgent court procedures if the former employer threatens an injunction.
- Tell the prospective employer enough to manage risk. Share the existence and dates of the restriction, without disclosing your former employer’s confidential information. The new employer may adjust duties or start dates, but that commercial decision does not itself determine enforceability.
What should an employer do when drafting or enforcing a clause?
- Identify the specific interest. Explain internally whether the concern is confidential information, customer connections, strategic plans, investment or training. A general desire to prevent competition is not the same as a narrowly identified protectable interest.
- Match the restriction to the person’s role. Consider access, seniority, decision-making authority, customer influence and how quickly information becomes obsolete. Avoid giving every worker the same broad wording without a role-based reason.
- Define the prohibited conduct. State the relevant business activities, competitors, customers or territory as clearly as possible. Separate non-compete, confidentiality, non-solicitation and anti-poaching obligations instead of combining unrelated restrictions in one sentence.
- Set a defensible period. Explain why the chosen duration is needed for the identified interest. A longer period is not automatically safer, and a short period is not automatically enforceable.
- Use the employment process consistently. Give the employee the contractual terms, allow time to consider new restrictions and record any later changes. When employment ends, remind the person of the exact obligations and preserve evidence of confidential-information controls.
- Consider narrower alternatives. Strong confidentiality obligations, access controls, return-and-deletion procedures, non-solicitation terms and anti-poaching terms may protect an interest without preventing all competitive work. Each alternative still needs clear drafting and a reasonable scope.
- Take advice before threatening proceedings. An injunction application can be urgent and costly. Obtain advice on the clause, evidence of the alleged risk, the likely remedy and whether a narrower undertaking would protect the interest.
Acas expressly advises employers to consider legal advice before including restrictive covenants in contracts. A template copied across roles can create avoidable uncertainty and weaken the argument that a restriction was tailored to a real business need.
How can an employer protect confidential information without a non-compete?
A non-disclosure clause can prohibit unauthorised use or disclosure of genuinely confidential information while allowing a person to use their general knowledge, skills and experience. Practical controls should support the contract: limit access by role, label sensitive material, maintain leaver checklists, disable accounts promptly, recover devices and confirm deletion or return of records.
Where the concern is customer movement rather than trade secrets, a clearly drafted non-solicitation clause may address active pursuit of specified customers. An anti-poaching term may address targeted recruitment of colleagues. These clauses are not interchangeable with a non-compete and can also be challenged if unclear, excessive or untethered to a legitimate interest.
What reforms are being considered?
DBT’s updated working paper describes options, not enacted law. The proposals differ in who would be covered, whether they ban non-competes or cap their duration, and how they balance worker mobility against employer interests.
| Option described by DBT | Who could be covered | Form of restriction | Main policy trade-off |
|---|---|---|---|
| General duration limit | Potentially all workers | Allow a non-compete up to a statutory maximum | Creates a clear ceiling but may preserve restrictions for lower-paid workers and leave scope disputes. |
| Duration limits by employer size | Workers grouped by company-size categories | Different maximum periods | Could recognise smaller employers’ resources while creating classification and boundary problems. |
| General ban | All workers | Prohibit post-termination non-competes | Maximises mobility but shifts protection of confidential information and relationships to other covenants and controls. |
| Ban below a salary threshold | Workers earning below a specified level | No non-compete below the threshold | Targets workers with less bargaining power while retaining restrictions for higher-paid roles. |
| Combined threshold and duration limit | Ban below a threshold; cap duration above it | Two-tier statutory framework | Combines mobility protection with a limit for higher-paid workers but requires rules for pay, variable compensation and changing earnings. |
The Competition and Markets Authority (CMA), in a response dated 25 February 2026, endorsed a ban below a salary threshold together with a statutory duration limit above that threshold. That is the CMA’s recommendation, not evidence that the government adopted it. Until legislation changes the position, employers and employees must apply the existing reasonableness framework.
How common are non-competes?
The following figures are reported in DBT’s 2025 working paper from earlier analysis and polling; they are not presented as new 2026 measurements.
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| Reported finding | Qualification and attribution |
|---|---|
| Around 5 million employees in Great Britain | Had a contract containing a non-compete; the typical duration was around six months, according to DBT’s 2025 paper citing previous analysis. |
| 71% of non-compete clauses | Were longer than three months in YouGov polling conducted for the previous government’s consultation, as reported by DBT. |
| 20–30% of workers earning under £99,000 | Appeared to have non-competes; the proportion rose to over 40% among workers earning £100,000 or more, based on CMA research reported by DBT. |
| More than 10% in teaching and retail | Were reported as having non-competes in the evidence cited by DBT. |
| More than 20% in accommodation or food services | Were reported as having non-competes in the evidence cited by DBT. |
These figures describe prevalence, not validity. A clause appearing in a contract is not proof that it would survive a court challenge.
Does the answer differ across the UK?
The 2023 proposed limit was framed for Great Britain and acknowledged Northern Ireland’s separate employment-law position. Because that proposal was not implemented, it does not create a current three-month rule in England, Wales or Scotland, and it should not be presented as a UK-wide enacted reform. Anyone working in Northern Ireland should obtain advice on the law applicable there rather than assume that a Great Britain policy announcement applies.
When should you obtain legal advice?
Prompt advice is sensible where a new job or business starts soon, the clause covers a wide market or long period, the former employer has threatened an injunction, confidential information may have been accessed, or the contract contains several overlapping covenants. Bring the full contract, amendments, job descriptions, notice correspondence and a factual timeline. Acas can explain general employment rights, but it does not decide whether an individual non-compete is enforceable; a court determines that issue if it is litigated.
For employers, advice before inserting a restriction can prevent a generic term from becoming the focus of a later dispute. For employees, advice before signing a settlement, accepting a role or responding to an allegation can preserve options that may be lost by an avoidable admission.
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