Category: Insurance definitions · Reviewed by Chrissie Anderson, Client Executive · Last reviewed May 2026
A binder, or binding authority, is a contract under which one or more insurers delegate the power to underwrite and issue policies to another firm on their behalf. The firm holding that authority is the coverholder. In UK and Lloyd’s professional indemnity, much smaller and mid-market PI business is written through coverholder binders rather than directly by the insurer.
A binding authority (commonly shortened to “binder”) is a written contract between one or more insurers and a coverholder. It sets out the classes of business the coverholder is permitted to write, the maximum limits and premiums, the wording to be used, the geographic territory, the price guidelines, and the reporting and audit requirements. Within those limits the coverholder can issue policies, agree premium, and bind the insurer to the risk without referring each individual case.
The coverholder is the firm that holds the binder. In the Lloyd’s market the coverholder must be approved by Lloyd’s under its Coverholder approval process. In the wider UK market many coverholders operate as managing general agents (MGAs), authorised and regulated by the FCA in their own right.
A managing general agent (MGA) is a coverholder that takes on a broader range of insurer-style functions — underwriting, policy issuance, premium collection, often claims handling — under one or more binders with capacity providers behind it. From the insured firm’s perspective, the MGA looks and feels like an insurer; legally, the insurer behind the binder is the contracting underwriter.
The features matter to insured firms for two reasons. First, the policy is still a contract with the underlying insurer, not with the coverholder — so the financial strength and regulatory status of the insurer remain the key questions, even though the day-to-day interactions are with the coverholder. Second, the coverholder’s authority is finite. It cannot, for example, agree terms that fall outside the binder’s authority, even if it wanted to.
A typical UK PI binder runs through three operational stages.
Set-up. Capacity providers (Lloyd’s syndicates, company-market insurers, or a panel of both) agree the binder terms with the coverholder. The contract sets the underwriting parameters: which professions and sub-sectors, the maximum line size per risk, the territories, the wording, the rating method or schedule, and any restricted classes. Where multiple insurers stand behind the binder, they sit on a coinsurance or quota share basis within the binder’s capacity — see PI coinsurance and PI quota share arrangement.
Day-to-day underwriting. The coverholder receives submissions from brokers, applies the binder’s rating and underwriting criteria, issues quotes, and binds cover. The coverholder produces the policy documents — often using its own branded wording or a Lloyd’s-standard wording — and collects premium on behalf of the insurers. The bordereau (a regular report listing all policies bound) is sent to the underlying insurers, typically monthly or quarterly.
Claims. Claims handling may be retained by the underlying insurer (insurer-handled), delegated to the coverholder (coverholder-handled, often called a delegated claims administrator or DCA arrangement), or split between the two based on size and complexity. The binder sets out which model applies. Where the coverholder handles claims, it does so on insurers’ behalf and within authority limits in the same way it underwrites.
For the insured firm, the practical effect is that one organisation — the coverholder or MGA — is the point of contact for the policy, even though the legal counterparty on the contract is the insurer or syndicate behind the binder.
A 12-partner UK architects’ practice with £2m of fee income buys £1m of PI cover on each-and-every-claim terms to meet ARB requirements. The broker places the risk with an MGA that holds a binder from a panel of Lloyd’s syndicates.
A claim arises 18 months later. The MGA acts as the delegated claims administrator under the binder, instructs solicitors, and reserves the file. A £400,000 settlement is agreed; the MGA pays the claim out of the binder’s premium pot, and the three syndicates settle their percentages internally. The architects’ firm experiences a single broker and a single claims contact throughout, even though three syndicates were on the risk.
If the same firm had asked for £5m of cover, the MGA would have referred up the line: either to the binder’s lead insurer (because £5m is outside the binder’s authority) or to a separate market for a top-up layer. The binder defines the boundary.
Binders and coverholders matter to insured firms in three situations.
Mid-market and smaller PI risks. The Lloyd’s and London markets handle large or unusual risks directly, but the volume of standard small and mid-market PI is typically written through coverholder binders. Architects, accountants, surveyors and consultants buying limits up to £2m or £5m on standard wordings are very often dealing with an MGA or coverholder behind the scenes, even when the broker presents the cover as a “Lloyd’s policy”.
Specialist professions and niche schemes. Industry schemes, broker facilities and niche-profession PI products are commonly delivered through binders, which give the coverholder the flexibility to underwrite a defined book under one wording with one set of terms. Insureds in these schemes should understand that the legal contract is with the underlying capacity, not the scheme operator.
Insolvency and run-off scenarios. If a coverholder or MGA goes out of business, the underlying policies remain in force with the insurers behind the binder. Claims still need to be reported in line with the policy notification clause. The firm’s broker should be able to identify the underlying capacity and direct notifications correctly.
UK PI binder arrangements appear under several labels:
The policy schedule and the binder documents together govern. The broker should be able to identify the underlying capacity providers for any binder-written PI policy.
Is the coverholder my insurer?
No. The coverholder issues the policy on the insurer’s behalf and is the day-to-day operational contact. The legal contract of insurance is between the insured firm and the underlying capacity providers behind the binder — typically Lloyd’s syndicates or FCA-authorised company-market insurers. The policy schedule should identify the participating insurers.
Why does this matter to me as an insured firm?
Three reasons. First, the financial strength rating that protects you is that of the underlying insurers, not the coverholder. Second, the coverholder’s authority is finite, so any deviation from standard terms may require referral up the line and can take longer. Third, if the coverholder ceases trading, your policy continues with the underlying insurers, but you need to know who to notify.
Are binder-written policies regulated the same way?
Yes. The underlying insurance contract is regulated as ordinary UK insurance. The coverholder is itself a regulated firm — either a Lloyd’s-approved coverholder, an FCA-authorised MGA or insurance intermediary, or both. The regulatory protections that apply to a directly underwritten policy apply to a binder-written policy.
Do binder-written policies qualify for FSCS protection?
The Financial Services Compensation Scheme protects policyholders of authorised UK insurers in defined circumstances. Whether a specific binder-written policy is covered depends on the regulatory status of the underlying capacity providers, not the coverholder. Lloyd’s syndicates and FCA-authorised UK insurers are typically within FSCS scope subject to the usual eligibility rules. See FSCS PI cover.
Can a binder-written policy meet SRA minimum terms?
Yes, provided the underlying insurer is a qualifying insurer that has signed the SRA Participating Insurers’ Agreement and the binder’s wording on the primary layer is the SRA minimum terms and conditions. The coverholder writes the cover on behalf of a qualifying insurer; the firm’s protection is delivered by that insurer’s MTC compliance.
Who handles claims under a binder?
It depends on the binder. Some retain claims handling with the underlying insurer. Others delegate claims to the coverholder as a delegated claims administrator. The policy schedule and the notification clause will identify the correct claims contact — usually a single named team within the coverholder or insurer.
What happens if the MGA or coverholder goes out of business?
The policies remain in force with the underlying insurers. Claims still need to be notified in accordance with the policy. The insured’s broker should be able to identify the underlying capacity providers and direct notifications correctly. The closure of an MGA is operationally disruptive but does not, in itself, leave policyholders without cover.
How do I know if my PI is written through a binder?
The policy schedule will identify the issuing entity and the underlying insurer(s) or syndicate numbers. Where a policy is issued by an MGA on behalf of one or more insurers, that will normally be stated explicitly. If it is not clear, your broker can identify the underlying capacity from the placement documents.
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Apex Insurance Brokers Ltd is a Bristol-based insurance broker authorised and regulated by the Financial Conduct Authority (firm reference number 724952). The company is registered in England and Wales under Companies House number 07014570. Contact: info@apexinsurancebrokers.co.uk | 0117 325 0027.
Last reviewed: May 2026 by Apex Insurance Brokers Ltd.
Important: this article is general information, not advice on your specific circumstances. For advice on PI insurance for your firm, contact us on 0117 325 0027 or info@apexinsurancebrokers.co.uk.
Apex Insurance Brokers serves UK professional services firms and commercial businesses. Call 0117 325 0027, email hello@apexinsurancebrokers.co.uk, or request a quotation.
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