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Restrictive Covenants in Employment

EmploymentLast reviewed: 1 April 20257 min read

Restrictive covenants are clauses in employment contracts that seek to limit what you can do after you leave — such as working for a competitor, poaching clients, or recruiting former colleagues. They are only enforceable if they go no further than is reasonably necessary to protect a legitimate business interest. Understanding these clauses is vital when considering your next career move.

Key points

  • Restrictive covenants are only enforceable if they protect a legitimate business interest and are reasonable in scope, duration, and geography.
  • Non-compete clauses preventing you from working in your industry for a year or more are often unenforceable as unreasonably wide.
  • Your employer can apply for an injunction to enforce a valid covenant — breach can have serious financial and career consequences.
  • Covenants inserted mid-employment without fresh consideration are harder to enforce than those agreed at the start.

Types of Restrictive Covenants

The main types of post-termination restrictive covenants found in employment contracts are:

  • Non-competition: Prevents you from working for a competitor or setting up a competing business for a specified period after leaving.
  • Non-solicitation of clients: Prevents you from approaching clients you dealt with during employment to take their business to your new employer.
  • Non-dealing with clients: Broader than non-solicitation — prevents any business dealings with former clients, even if they approach you.
  • Non-solicitation of employees: Prevents you from recruiting former colleagues to your new employer or business.
  • Confidentiality: Prevents use or disclosure of the employer's confidential information (this applies even without an express clause).

Each type of covenant is assessed differently for reasonableness. Non-competition covenants are the hardest to enforce because they are the most restrictive of your freedom to work.

When Are Restrictive Covenants Enforceable?

A restrictive covenant in an employment contract is only enforceable if it:

  1. Protects a legitimate business interest — for example, trade secrets, confidential information, or stable client relationships
  2. Goes no further than reasonably necessary to protect that interest — in terms of duration, geographic scope, and activity restricted

Courts assess enforceability at the time the covenant was entered into (usually at the start of employment) and at the time of breach. A covenant that was reasonable when signed may become unreasonable if your role changed significantly during employment.

Factors that courts consider include:

  • The length of time — six to twelve months is commonly accepted for senior roles; longer periods are harder to justify
  • Geographic scope — a worldwide non-compete for a regional sales manager is likely to be too wide
  • The scope of restricted activities — blanket prohibition on working in an entire industry is usually too broad
  • Your seniority and access to confidential information or client relationships

Challenging a Restrictive Covenant

If your employer threatens to enforce a restrictive covenant, do not simply ignore it — take legal advice immediately. Options include:

  • Assessing whether the covenant is actually enforceable in its terms — many are wider than is legally justifiable
  • Checking whether the employer's own breach of contract (such as failing to pay notice correctly) has released you from post-termination obligations
  • Negotiating with your employer — in many cases employers are willing to reduce or waive the covenant in exchange for a settlement
  • Defending any injunction application in court if your employer seeks to restrain you

Breaching a covenant that a court later finds enforceable can result in an injunction (stopping you in your tracks), damages (compensation to the employer for losses caused), and costs. Your new employer could also be liable if they induced the breach. Take this seriously and always seek legal advice before breaching a covenant.

Frequently asked questions

Can my employer enforce a non-compete that prevents me from working in my industry?
It depends on how wide it is and whether there is a legitimate reason. A blanket prohibition on working in an industry for a long period is very likely to be unenforceable as an unreasonable restraint of trade. A narrower prohibition focused on direct competitors, for a short period, for a senior employee with significant client relationships and access to trade secrets, is more likely to be enforceable.
If my employer dismissed me in breach of contract, do I still have to comply with restrictive covenants?
Possibly not. If your employer's own breach of contract — such as dismissing you without notice — was sufficiently serious, you may have been released from post-termination obligations including restrictive covenants. This is a complex area and you should seek legal advice urgently.
Can covenants be added to my contract mid-employment?
Yes, but they must be supported by fresh consideration — something of value given to you in exchange for agreeing to the new restriction. A mere promise of continued employment is usually not sufficient consideration. Covenants inserted mid-employment without additional benefits are harder to enforce.

What to do next

  1. 1
    Find an employment solicitor

    Get specialist legal advice on whether your covenant is enforceable.

  2. 2
    Read about garden leave

    How garden leave interacts with restrictive covenants.

  3. 3
    Read about settlement agreements

    Covenants can often be negotiated as part of a settlement.

Official bodies and resources

Advisory, Conciliation and Arbitration Service

Government

Provides free, impartial advice on workplace relations and employment law, and offers early conciliation before tribunal claims.

Employment Tribunal

Tribunal

Hears claims about employment disputes, including unfair dismissal, discrimination, and unpaid wages.

Citizens Advice

Charity

Provides free, confidential, and independent advice on a wide range of issues including benefits, housing, debt, and employment.

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Disclaimer

This information is for general guidance only and does not constitute legal advice. You should seek qualified legal help if your situation requires it.