This guide is maintained as a current resource for September 2026 and covers only the laws of England and Wales. Information is for general guidance, not legal advice. Consult a qualified solicitor for advice specific to your situation.
Challenging restrictive covenants in commercial contracts in England and Wales explained. Learn what restrictive covenants are, how courts test enforceability, grounds to challenge them, the legal process, practical steps and common issues to consider when dealing with non‑compete, non‑solicitation or similar clauses. Clear guidance for professionals and members of the public.
Restrictive covenants are clauses in commercial agreements that limit what a party can do during or after the contract. Common examples include non‑compete provisions, non‑solicitation terms and non‑dealing clauses. In commercial contracts between businesses or between a business and an individual, these clauses are intended to protect commercial interests such as confidential information, client relationships or workforce stability. However, the law in England and Wales regards restraints on trade with caution and will not enforce terms that are wider than necessary or otherwise unreasonable.
This guide explains what restrictive covenants are, how and when they can be challenged, the legal tests applied by courts and tribunals, what processes and remedies exist, and common practical questions.
What Are Restrictive Covenants?
A restrictive covenant is a contractual promise by one party not to undertake specified activities. In commercial contracts, examples include:
- Non‑compete clauses - preventing competition with a former employer or business partner for a set time or within a specified market.
- Non‑solicitation clauses - prohibiting outreach to customers, clients, suppliers or staff of the other party.
- Non‑dealing clauses - stopping a party from doing business with particular customers, even if contacted first.
- Non‑disclosure/ confidentiality provisions - restricting use or disclosure of proprietary information.
Restrictive covenants commonly arise in employment contracts, shareholder agreements, sale and purchase agreements, agency or distribution agreements, and joint venture contracts.
The Legal Test: Restraint of Trade
Under English law, any term that restrains a person's freedom to carry on trade or business is prima facie void and unenforceable unless it is reasonable. This is known as the restraint of trade doctrine. It applies equally in commercial contexts and in contracts with individuals.
Two Core Requirements
- Protection of a Legitimate Business Interest
A restrictive covenant must aim to protect a genuine legitimate interest of the party benefiting from the covenant. Typical recognised interests include:- Confidential information and trade secrets
- Goodwill and client connections
- Stability of the workforce
- Investment in training or business relationships
Protection of competition as such, without more, is not a recognised legitimate interest.
- Reasonableness in Scope, Geography and Time
Even where a legitimate interest exists, the restriction must not go further than is reasonably necessary to protect it. This means the clause must be proportionate in:- Scope - the activities restrained
- Geographical reach - the area in which competition is restricted
- Duration - how long the restriction continues after contract end
If a term is excessively broad in any of these dimensions, the court is likely to find it unenforceable.
In commercial contracts with limited inequality of bargaining power, courts may be more willing to uphold restrictive covenants that are specifically negotiated, but the fundamental tests remain the same.
Grounds for Challenging Enforceability
If you are subject to a restrictive covenant, you can challenge it on several legal grounds:
1. The Clause Is Not Necessary to Protect a Legitimate Interest
A covenant that serves only to limit competition generally, without protecting confidential information or a specific business relationship, is unlikely to be upheld.
2. The Restriction Is Unreasonably Wide
Courts assess reasonableness by reference to the particular contract and industry context. For example, a three‑year ban preventing all similar work nationwide will often be considered wider than necessary for most commercial relationships.
3. Lack of Clear Drafting, Definition or Certainty
If the terms are vague or ambiguous, particularly around what constitutes a prohibited business or defined clients, the covenant may be unenforceable. English courts interpret unclear terms against the party that drafted them.
4. No Consideration in Exchange
In some commercial contracts, if a covenant is added after the main agreement without fresh consideration (something of value given in exchange), it may be unenforceable.
5. Bargaining Inequality or Undue Pressure
While less common in commercial contracts than in employment contracts, gross imbalance in bargaining power or evidence of duress may affect enforceability.
Legal Processes for Challenging a Restrictive Covenant
If negotiations with the other party do not resolve concerns about a restrictive covenant, there are formal legal avenues:
Pre‑Action Steps
- Contract Review - Have a solicitor assess the wording and surrounding circumstances.
- Letter Before Action - A solicitor can write to the other side explaining why the covenant is unenforceable and seeking variation or withdrawal.
Court Proceedings
If informal resolution fails, the next step is litigation in the High Court or Commercial Court:
- Application for Declaration - You can ask the court to declare the covenant unenforceable.
- Injunctions - The other party may seek to enforce the covenant by injunction; you can resist on enforceability grounds.
- Damages Claims - The claimant may pursue damages for breach if the clause is upheld; similarly you can defend on validity grounds.
Interim Injunctions
An employer or business seeking enforcement can apply for an interim injunction while the main dispute is heard. The threshold includes showing a serious issue to be tried and balance of convenience, but interim orders are discretionary and may be resisted if the covenant is tenuous.
Time Limits
There is no fixed statutory deadline for challenging the enforceability of a covenant before breach; the key dates arise once proceedings are issued. If the other party is enforcing the clause by seeking injunctions, time pressures may be intense. Prompt action upon receiving notice of enforcement is advisable.
Practical Steps When Facing Restrictive Covenants
- Review the Contract as a Whole - Context matters. The clause must be read with the rest of the agreement.
- Identify the Exact Interests Protected - If the covenant is tying protection to specific relationships or information, its enforceability is stronger.
- Assess Proportionality - Consider whether the geographical range, market and duration are proportional to the interest protected.
- Seek Negotiation or Amendment - Sometimes mutual amendment to narrower terms resolves disputes without litigation.
- Get Professional Advice Early - Restrictive covenants can affect career moves or strategic business choices; an early legal evaluation can save costs and risk.
Risks and Consequences of Enforcement Attempts
Challenging a covenant carries risks:
- Costs - Court proceedings can be expensive.
- Injunctions - The other party may secure interim orders restricting activity pending trial.
- Damages Exposure - If enforcement succeeds, you may face damages for breach.
- Avoid acting in breach of a covenant before its validity is determined, as this could worsen exposure.
Common Misconceptions
- A restrictive covenant expires automatically after a period - Not always; some clauses are time‑limited, but courts look at validity, not simply lapse.
- Redundancy cancels restrictive terms - No. Unless the contract says so, covenants can survive redundancy if they are enforceable.
- A promise is unenforceable because it limits freedom - No. Restrictive covenants are enforceable if reasonable and justified.
Key Takeaways
Restrictive covenants in commercial contracts are treated with caution under English law due to public policy against restraining trade. To be enforceable, a covenant must protect a legitimate commercial interest and be reasonable in scope, geography and duration. If a covenant is overly broad, lacks clear definition or protects no genuine business interest, it can be challenged and may be declared unenforceable by the courts.
Anyone subject to a restrictive covenant should seek legal assessment of the clause, consider negotiation or amendment with the other party, and, if necessary, pursue formal legal proceedings to test enforceability. Prompt and informed action is essential to protect your rights and commercial opportunities without breaching the contract.
