Solicitors’ professional indemnity insurance
Category: Professional indemnity
Also known as: solicitors PI, solicitors professional indemnity insurance, law firm PI, qualifying insurance
Related concepts: SRA minimum terms, aggregation clause, run-off cover
Why it is compulsory and what that changes
An authorised body regulated by the Solicitors Regulation Authority must take out and maintain qualifying insurance with a participating insurer. That single requirement shapes the whole market. Because the cover has to meet the SRA minimum terms and conditions, the wording of the primary layer is largely settled before anyone quotes, and the negotiation moves to limit, excess, price and insurer security.
It also means the consequences of failing to place cover are regulatory rather than merely commercial. A firm that cannot obtain qualifying insurance is on a fixed timetable that ends in ceasing practice. That is a very different position from an unregulated business deciding whether professional indemnity is worth the premium.
What the cover responds to
Broadly, civil liability arising from private legal practice: negligent advice, missed limitation dates, defective conveyancing, undertakings given and not met, and the losses that follow. The minimum terms are drafted widely and contain far fewer exclusions than a commercial professional indemnity wording. Defence costs carry no monetary limit, which matters because a substantial claim that is successfully defended can still generate very large costs.
Claims-made cover and the discipline of notification
Solicitors’ PI is written on a claims-made basis. The policy that responds is the one in force when the claim is made against the firm, or when circumstances that might give rise to a claim are notified — not the one in force when the work was done. Two practical consequences follow.
First, circumstances must be notified during the policy period in which the firm becomes aware of them. A file that looks wrong in September should be notified in September, not held back until it becomes a claim next year, by which time the notification may fall into a different policy or be caught by an exclusion for known circumstances. Second, continuity matters: gaps in cover, or changes of insurer without proper handling of known circumstances, create exactly the kind of coverage argument nobody wants while defending a negligence claim.
Choosing a limit above the minimum
The minimum sum insured is a regulatory floor, not an assessment of any individual firm. The right limit depends on the value of the transactions the firm touches rather than on its fee income. A small conveyancing practice can handle property values many multiples of its turnover; a boutique corporate firm can advise on a transaction whose failure would dwarf the minimum. Most firms of any substance buy top-up layers above the primary, which follow the primary wording but sit outside the compulsory regime.
Aggregation and the limit you actually have
Because the minimum sum insured is expressed per claim, the aggregation clause decides how much cover a given set of facts attracts. Repetitive work — a block of plot sales on one development, a cohort of clients advised into the same scheme — is where firms discover that what felt like fifty claims is one. The aggregation clause in the minimum terms and its treatment by the courts is therefore not a technicality; it is the difference between a survivable loss and an uninsured one. Our side-by-side comparison of regulators’ aggregation wordings sets out how the solicitors’ position compares.
Run-off and succession
When a firm ceases practice, the minimum terms require run-off cover for six years. It is expensive, it is normally payable up front or over a short period, and it is the reason so many small practices find that retiring costs more than they planned. Firms merging, selling or winding down should be modelling the run-off premium at the point they start thinking about succession, not at the point they file the paperwork. See run-off cover.
If renewal fails
A firm that reaches expiry without replacement qualifying insurance enters the extended policy period and then the cessation period, and must cease practice by the end of that sequence unless cover is obtained. The window is short and the market for a firm in it is small, so speed and presentation matter enormously. We have written that up separately: solicitors’ PI not renewed — what now?
How a broker earns their keep here
Not on the primary wording, which is fixed, but on presentation, on structuring the layers, on holding insurers to the minimum terms where a schedule tries to narrow them, and on handling notifications properly so that a difficult file does not turn into a coverage dispute. Firms with claims history, unusual work, or a heavy conveyancing weighting need the presentation done carefully and early. See also our solicitors’ PI service page.
Frequently asked questions
Is professional indemnity insurance compulsory for solicitors?
Yes. An authorised body regulated by the SRA must take out and maintain qualifying insurance with a participating insurer, meaning a policy that complies with the SRA minimum terms and conditions. A firm that cannot obtain it faces a defined timetable that ends in ceasing practice.
What does qualifying insurance mean?
Qualifying insurance is a policy written by a participating insurer that complies with the SRA minimum terms and conditions. An insurer outside the participating insurer arrangement cannot provide it, and any policy term inconsistent with the minimum terms is of no effect as against the insured.
How long must run-off cover last?
The minimum terms require run-off cover for an additional six years following cessation, in respect of the ceased practice's acts and omissions. It is usually a significant one-off cost and should be planned for well before a firm decides to close, merge or retire.
Related entries
- /wiki/sra-mtc-minimum-terms-conditions-explained-uk/
- /wiki/aggregation-clauses-by-regulator-side-by-side/
- /wiki/aggregation-clause/
- /wiki/run-off-cover/
- /solicitors-pi-insurance-non-renewed-what-now-uk/
This entry is part of the Apex Insurance Wiki. It is insurance information about how UK cover responds to the rules described, and is not legal or regulatory advice. Rules, limits and wordings change; the position stated is as at August 2026. Check the primary source and take your own professional advice before relying on any of it.
Apex Insurance Brokers Limited is authorised and regulated by the Financial Conduct Authority (FRN 724952). This page is general information, not advice on a specific policy.
