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.
Explore when indemnity clauses in business contracts under English law are subject to statutory reasonableness tests. Understand how the Unfair Contract Terms Act 1977 applies, the factors courts consider, and practical guidance for drafting enforceable indemnity provisions.
An indemnity clause in a business contract is a provision in which one party agrees to compensate the other for specified losses, liabilities, costs or claims if certain events occur. These clauses are common in commercial agreements and are powerful tools for allocating risk. However, under the law of England and Wales, certain indemnity clauses can be subject to statutory reasonableness tests, meaning their enforceability may depend on whether they are fair and reasonable in the context of the contract. This article explains when and how reasonableness tests apply, the relevant legal framework, and what businesses should consider when negotiating or drafting indemnity provisions.
Legal Framework: The Unfair Contract Terms Act 1977
The primary statute governing whether indemnity clauses are subject to reasonableness tests is the Unfair Contract Terms Act 1977 (UCTA). UCTA limits the extent to which contractual terms can exclude or restrict liability or impose onerous obligations, particularly in contracts where one party deals on the other's standard written terms or where a party is a consumer.
Section 4: Indemnity Clauses and Reasonableness
UCTA expressly provides that a person dealing as a consumer cannot be made to indemnify another person for liability arising from negligence or breach of contract unless the indemnity clause satisfies the requirement of reasonableness. This means that in consumer contexts, indemnity terms must be fair and reasonable to be enforceable.
While Section 4 focuses on consumer protection, in business‑to‑business (B2B) contracts indemnity clauses may also attract scrutiny under UCTA when they have the substantive effect of excluding or limiting liability - particularly for negligence or breach - even though UCTA does not explicitly say all indemnities are subject to reasonableness in B2B contexts. Courts and commentators have noted that indemnity clauses that effectively operate as exclusions of liability may be treated as terms that must satisfy UCTA's reasonableness test.
Reasonableness Test Requirements
The UCTA reasonableness test requires that a contractual term is “a fair and reasonable one to be included having regard to the circumstances which were, or ought reasonably to have been, known to or in the contemplation of the parties when the contract was made.” Factors considered by courts include:
- The relative bargaining positions and knowledge of the parties.
- Whether the parties had an opportunity to negotiate terms.
- The resources and ability to obtain insurance to cover the risk.
- Whether responsibility for particular liability is appropriate in the circumstances.
How Reasonableness Tests Apply in Practice
B2C Contracts
In business‑to‑consumer (B2C) contracts, indemnity clauses that would make a consumer liable for another's negligence or breach are subject to the UCTA reasonableness requirement. Unless the clause can be shown to be fair and reasonable, it will be unenforceable against the consumer.
B2B Contracts
In business‑to‑business contracts, indemnity clauses are not automatically subject to a reasonableness test simply because they are indemnities. However:
- If a contractual term is drafted in a way that it excludes or restricts liability for negligence or breach of contract, or functions effectively as an exclusion clause, UCTA's reasonableness test may apply.
- Courts may look beyond the label “indemnity” to the substance of the clause. If the indemnity operates as a shielding mechanism from liability that UCTA would otherwise regulate, it could be treated as a term subject to reasonableness scrutiny.
Interaction with Other Contract Terms
When indemnities are paired with other limitation of liability clauses, courts may assess the entire risk allocation regime. For example:
- If an indemnity or related exclusion seeks to limit liability for negligence or other significant losses, UCTA's reasonableness test may apply to those terms.
- Even in the absence of a direct statutory requirement on indemnities in B2B contexts, overly broad indemnities that leave one party liable for risks unrelated to the contract or disproportionate to the contract value can be challenged as unreasonable under general principles.
Practical Implications for Businesses
Businesses should take several practical steps when dealing with indemnity clauses:
1. Draft Clearly and Precisely
Indemnity clauses must specify the scope of indemnification, including what losses are covered, when the indemnity is triggered, and how claims should be made. This clarity helps avoid arguments that the clause is an unfair exclusion of liability.
2. Consider Reasonableness Early
Even in B2B contracts, parties should consider whether their indemnity terms could be viewed as imposing unreasonable obligations. This is particularly relevant where one party has significantly greater bargaining power or where the indemnified risks are extensive.
3. Align with Insurance and Risk Management
Requiring the indemnifier to maintain appropriate insurance can support the argument that the indemnity is reasonable, as it shows foresight and mitigation of risk.
4. Review Standard Terms
Where contracts use standard form terms, businesses should periodically review indemnity clauses to ensure they reflect current law and commercial practice, and can be justified under the reasonableness test where required.
Key Takeaways
Indemnity clauses in contracts under the law of England and Wales can be subject to reasonableness tests, particularly under the Unfair Contract Terms Act 1977. In consumer contracts, indemnity provisions that make consumers responsible for another party's negligence or breach must satisfy the statutory reasonableness requirement to be enforceable. In business‑to‑business contracts, indemnities are not automatically subject to the test, but clauses that operate as exclusions or limitations of liability - especially for negligence or breach - may be scrutinised under UCTA's reasonableness criteria. Careful drafting, clear definition of risks, and consideration of statutory controls help ensure indemnity clauses are enforceable and appropriate for the risks they are intended to cover.
