Definition of Insured

Category: Clauses & wordings · Reviewed by Jake Leat, Associate Director · Last reviewed June 2026

The “Insured” is the person, company or group of entities entitled to the protection of the policy — the party whose legal liability, property or financial interests the insurer has agreed to indemnify.

Definition

In every UK insurance contract the word “Insured” (sometimes “Assured” in marine or older wordings, or “Policyholder” in consumer contexts) identifies who actually benefits from the cover. It is one of the most important defined terms in the policy because it controls four separate questions: who can claim, whose conduct can void or reduce cover, whose property or liability is insured, and whose knowledge is imputed to the insurer at placement.

A definition of Insured typically operates on three levels. The first is the Named Insured — the legal entity actually named on the schedule, usually the parent company that pays the premium. The second is Additional Insureds — subsidiaries, joint ventures, directors, officers, employees, principals, landlords or contractors brought within the cover by extension. The third is the Operative Insured for a particular claim — the entity actually exposed to the loss in question, which determines whether exclusions, limits and retentions apply at the individual or aggregate level.

The breadth of this definition determines the policy’s economic value. A definition that captures only the holding company offers limited protection for a modern group structure. A wider definition that brings in subsidiaries (often “any entity in which the Named Insured holds more than 50% of the issued share capital”), employees acting within the scope of their duties, and natural persons acting on behalf of the Insured will respond to the realities of group operations.

The definition also interacts with the doctrine of insurable interest under the Marine Insurance Act 1906, section 5 (applied by analogy to non-marine cover). An entity not properly captured by the Insured definition will struggle to demonstrate the necessary economic interest to recover. For brokers, getting this clause right at placement is one of the single highest-value tasks in the entire transaction.

Legal / Regulatory basis

The starting point at common law is that an insurance contract is a personal contract: only a party to the contract, or a party identified in the contract as benefiting from it, can enforce it. The Contracts (Rights of Third Parties) Act 1999 modifies this where a contract expressly confers a benefit on a third party, and many modern policies expressly exclude or modify the Act to control who has standing.

The Insurance Act 2015 places duties on “the insured” — particularly the duty of fair presentation under section 3 — and the meaning of that term is critical. Section 4(6) provides that an insured is treated as knowing what is known to its senior management and those responsible for arranging insurance. Where group companies are co-insured, the question of whose knowledge counts becomes legally significant: see AIG Europe Ltd v Woodman & Others [2017] UKSC 18 on the relationship between aggregate limits and multiple insureds.

The Third Parties (Rights against Insurers) Act 2010 allows a third-party claimant to step into the shoes of the insured in defined circumstances of insolvency. For composite policies covering multiple insureds, Tesco Stores Ltd v Constable [2008] EWCA Civ 362 confirmed that the construction of who is an Insured is to be approached on ordinary contractual principles, and that a party not within the definition has no claim notwithstanding commercial expectations.

The FCA’s Insurance Conduct of Business Sourcebook (ICOBS) requires the policy to be clear and intelligible (ICOBS 6.1), and the Consumer Insurance (Disclosure and Representations) Act 2012 applies a different standard to “consumers” — itself a defined sub-category. In financial lines, the J Rothschild Assurance v Collyear [1999] CLC 999 line of authority confirms that the identity of the insured at the time of the wrongful act is the relevant question for claims-made cover.

How it works in practice

In day-to-day claims handling the Insured definition is the first thing a coverage solicitor will read. Three practical scenarios recur constantly.

First, mergers and acquisitions. When the Named Insured acquires a new subsidiary mid-term, the question is whether the acquisition automatically falls within the Insured definition. Most commercial wordings include an “automatic acquisition” clause subject to a size threshold (typically 10–25% of consolidated turnover or assets), beyond which the buyer must notify and the insurer may impose additional terms. Acquisitions exceeding the threshold without notification can sit entirely outside the policy. Brokers should diary acquisitions and confirm coverage in writing.

Second, divestments and run-off. Where a business unit is sold, the policy will usually cease to cover that unit prospectively but may continue to cover legacy liabilities — known as “run-off cover”. For liability policies on a claims-made basis, the question is whether a claim made after divestment for pre-divestment acts is still within the Insured definition. This often requires an endorsement and is a key Sale and Purchase Agreement negotiation point.

Third, individual liability claims. Directors’ and officers’ (D&O) policies will define the Insured to include “any natural person who was, is or shall be a director, officer, in-house counsel or equivalent of the Company”. This deliberately broad language captures historic, current and future office-holders. Side A cover protects directors personally where the company cannot indemnify them; Side B reimburses the company; Side C protects the company itself (in listed entities, often limited to securities claims).

Claims handlers will also test whether a claim against a partnership, LLP, or unincorporated body is correctly captured. A claim against an LLP member personally may fall outside a policy that names only the LLP. Joint venture cover almost always requires specific endorsement: a 50/50 JV is a separate legal entity neither party owns more than 50% of, so the standard subsidiary definition fails.

Finally, the definition controls severability of conduct. Most modern policies expressly state that the knowledge or conduct of one Insured will not be imputed to another for the purposes of declinature, except where that Insured is a director or senior officer of the Named Insured. This severability clause is essential for innocent co-insureds.

Common variations

Named Insured only: the most restrictive form, covering only the entity on the schedule. Common in personal lines and small commercial property covers.

Named Insured plus subsidiaries: the standard commercial form, typically defined by a percentage ownership test (more than 50%) at the inception date, with automatic acquisition cover for new subsidiaries during the period, subject to a size threshold.

Composite policies: separate policies issued under one document to multiple insureds, each with its own contract of insurance. Common in construction (employer, contractor, sub-contractors all co-insured) and joint ventures. Tesco v Constable clarifies the principles.

Group policies with Insured Persons: D&O, employment practices liability and pension trustee policies typically define both the Company (entity Insured) and Insured Persons (individuals) separately, with Side A/B/C structures.

Vendor extensions and additional insureds: product liability and professional indemnity policies often extend cover to customers or principals as additional insureds in respect of liability assumed under contract.

Run-off insureds: former subsidiaries or office-holders covered only for acts committed during the period when they were within the Insured definition.

Worldwide and territorial variations: some wordings limit the Insured definition by territory (UK incorporated entities only) or by activity (only in respect of the insured business).

Example

Apex Manufacturing Group Ltd is the Named Insured on a combined liability policy. The policy defines the Insured as “the Named Insured and any Subsidiary (any entity in which the Named Insured holds more than 50% of the voting share capital at inception or which is acquired during the Period of Insurance subject to clause X)”. The size threshold for automatic acquisition is 15% of consolidated turnover (£18m on a £120m group).

In March 2026 Apex Manufacturing acquires Beta Components Ltd (turnover £8m — within the 15% threshold). Beta is automatically an Insured from completion. In September 2026 Apex acquires Gamma Holdings Ltd (turnover £25m — above the threshold). The broker fails to notify. A product liability claim arises in November 2026 in respect of a Gamma product manufactured in October.

The insurer declines cover for the Gamma claim on the basis that Gamma is not an Insured. Apex has no contractual claim because Gamma falls outside the Insured definition and no endorsement was issued. The Beta claim, however, proceeds normally because the threshold was not breached and Beta was automatically captured.

The lesson: monitor acquisitions against thresholds and notify in writing within the contractual window.

See also

References

  1. Insurance Act 2015, sections 3, 4 and 7
  2. Marine Insurance Act 1906, section 5 (insurable interest)
  3. Contracts (Rights of Third Parties) Act 1999
  4. Third Parties (Rights against Insurers) Act 2010
  5. Consumer Insurance (Disclosure and Representations) Act 2012
  6. FCA Handbook, ICOBS 6.1 (product information)
  7. AIG Europe Ltd v Woodman & Others [2017] UKSC 18
  8. Tesco Stores Ltd v Constable [2008] EWCA Civ 362
  9. J Rothschild Assurance v Collyear [1999] CLC 999
  10. Law Commission Report No. 353, “Insurance Contract Law: Business Disclosure” (2014)

Last reviewed

By Matt Bartlett, Director, on 2026-06-11. Next review: 2026-12-11.


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This entry is part of the Apex Insurance Wiki. Last reviewed by Matt Bartlett on 2026-06-11. Apex Insurance Brokers Limited, FCA FRN 724952, Companies House 07014570. Not regulated advice — consult your broker on your specific position.

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