Who Needs Professional Indemnity Insurance?

Editorial attribution: Professional Insurance UK Editorial Team
Editorial review: 28 June 2026

Professional indemnity insurance is not a universal legal requirement for every UK business. It may nevertheless be compulsory for a regulated profession, required by a professional body, demanded by a client contract or chosen because professional work could cause significant financial loss.

Quick test: PI is most relevant when a client relies on your expertise, judgement, design, advice, report or specialist service—and could claim that an error caused financial loss.

This page distinguishes the source of a requirement. It does not decide whether a particular business must buy a policy.

For the wider policy structure, start with the Professional Indemnity Insurance UK guide. The separate guide to what professional indemnity insurance covers explains why a requirement should be checked against the actual wording rather than the policy name alone.

Four reasons a business may need PI insurance

1. Regulatory or professional rules

Some professions cannot practise, remain authorised or keep a practising certificate without suitable professional indemnity arrangements.

Examples include:

• SRA-authorised law firms;
• ICAEW members with practising certificates who engage in public practice;
• RICS-regulated firms;
• architects expected to maintain adequate and appropriate PII under ARB standards;
• certain firms within FCA prudential rules, including firms within MIPRU 3.2.

Each regime has its own definitions, minimum limits, approved insurers, excess restrictions, wording, territorial rules and run-off requirements. A generic online policy may not satisfy the relevant scheme.

Minimum limits and excess restrictions can also affect the price and structure of PI cover.

2. A client or contract requires it

A private contract, tender, framework or supplier agreement may require PI even where no regulator does.

The clause may specify:

• a minimum limit;
• any-one-claim or aggregate cover;
• a maximum excess;
• an insurer rating;
• territories and jurisdictions;
• a period for maintaining cover after completion;
• proof through a certificate;
• notification to the client if cover changes;
• waiver of subrogation or other terms.

These requirements are contractual, not automatically statutory. They still matter because failing to comply may be a breach of contract or prevent appointment.

3. A professional body, membership or scheme requires it

Some bodies make PI a condition of membership, accreditation, licence or use of a designation. The body may not be a statutory regulator, but the rule can still be binding on members.

Check the current rule directly. Do not rely on an old certificate, colleague’s policy or general web list.

4. The business chooses it as risk protection

A business may buy PI voluntarily because the consequences of a professional error could be substantial.

Relevant questions include:

• Could the client act on your advice or report?
• Could a design or calculation need expensive correction?
• Could an omission delay a project or transaction?
• Could a client claim lost profit, wasted expenditure or remedial cost?
• Could an allegation require specialist legal defence even if unfounded?
• Do you handle confidential information or intellectual property?
• Do you subcontract work for which you remain responsible?

Is PI insurance a legal requirement?

There is no single UK statute requiring every consultant, contractor or professional-services business to hold PI.

However, legislation and regulatory rules can create requirements for specific activities. The FCA Handbook, for example, requires firms within MIPRU 3.2 to maintain PII meeting that section. Other professions operate through their own regulatory frameworks.

The safest wording is therefore:

• PI is not universally compulsory for all businesses;
• it is compulsory or effectively required for some regulated or professional activities;
• it may be required by contract;
• it may be prudent for other advice or service businesses.

The broader Business Insurance Requirements in the UK guide explains the difference between law, regulator rules, contracts and voluntary cover.

Professional examples

Solicitors and law firms

SRA-authorised firms must maintain qualifying insurance and adequate and appropriate cover under the SRA Indemnity Insurance Rules. The associated minimum terms prescribe broad civil-liability protection and other scheme conditions.

A policy not written to the SRA scheme will not necessarily satisfy those obligations.

Accountants in public practice

ICAEW states that PII is compulsory for members who hold a practising certificate and engage in public practice. Its regulations specify the amount, insurers and minimum wording for firms within scope.

Other accountancy bodies have their own rules. Check the body that governs the practice.

Chartered surveyors and RICS-regulated firms

RICS requires regulated firms in the UK to have adequate and appropriate professional indemnity arrangements and publishes detailed requirements and approved-insurer information.

The required cover depends on the firm’s regulated status and work. Construction, valuation and fire-safety exposures can attract specific conditions.

Architects

ARB guidance says architects are expected to cover their professional liabilities through adequate and appropriate PII under the Architects Code. The guidance explains claims-made cover and minimum expectations.

Financial-services firms

The FCA Handbook contains PII requirements for specified categories of firm. MIPRU 3.2 is one example. Other prudential sourcebooks can apply to other firm types.

An entry on the FCA Register does not by itself explain every insurance obligation. The firm’s permissions, activities and applicable sourcebook must be checked.

Consultants

Consultants often provide recommendations, analysis, strategy or implementation support. PI may be relevant where a client could say that the advice was negligent or did not meet the engagement terms.

Examples include:

• management consultants;
• IT and technology consultants;
• marketing consultants;
• human-resources consultants;
• health and safety consultants;
• environmental consultants;
• training and organisational-development consultants;
• business-continuity and compliance consultants.

The word “consultant” is broad. Insurers need the actual activities, sectors, contract values and deliverables.

Freelancers and sole traders

A freelancer can create professional liability even without employees or premises.

Examples include:

• designers and copywriters;
• developers and digital specialists;
• bookkeepers;
• photographers;
• translators;
• project managers;
• researchers;
• independent advisers.

A sole trader does not have a separate legal personality from the individual. That can increase the importance of understanding liability and policy protection, although PI does not remove personal or business responsibility.

Contractors and subcontractors

A contractor may need PI because:

• the end client requires it;
• an agency or consultancy agreement requires it;
• the contractor provides design, advice or professional judgement;
• the main contractor passes down insurance requirements;
• the contractor remains responsible for subcontracted work.

Do not assume the main contractor’s policy protects every subcontractor. Conversely, requiring a subcontractor to hold PI does not automatically remove the main contractor’s liability to the client.

Technology and software businesses

PI can be relevant to:

• software development;
• systems integration;
• data migration;
• cloud consultancy;
• managed services;
• technical support;
• cybersecurity advice;
• digital transformation.

The exposure may involve failed functionality, inaccurate specification, delay, loss of data, security weakness or integration failure.

Technology PI and cyber insurance can overlap but are not interchangeable. A technology policy may combine them or define separate sections.

Creative and media businesses

Designers, agencies, publishers and content businesses may face allegations involving:

• failure to meet a brief;
• errors in published material;
• intellectual-property infringement;
• breach of confidentiality;
• missed campaign deadlines;
• inaccurate claims or advice.

Intellectual-property and media extensions are not universal. Check the wording.

Businesses that prepare reports, valuations or certificates

A report may be relied on by the client, a lender, investor, purchaser, regulator or another party.

Examples include:

• surveys and valuations;
• inspection reports;
• compliance assessments;
• technical certificates;
• financial statements;
• due-diligence reports;
• expert reports.

Consider who is allowed to rely on the document, the liability wording and any contractual cap.

Businesses handling client information

Handling confidential documents or personal data can create professional, cyber and privacy exposures.

PI may be relevant if the handling forms part of the professional service, but it may not cover the full cost of a cyberattack, regulatory response, notification, restoration or business interruption.

Does a limited company need PI?

The question is not answered by incorporation alone.

A limited company may need PI if the company provides professional services or is subject to a contract or professional rule. The policy should correctly identify the insured entity and, where intended, directors, employees, previous firms and subsidiaries.

A company structure does not prevent claims against the company and does not guarantee that individuals will never be named.

Does a business with no employees need PI?

Yes, potentially. PI concerns professional liability to clients and third parties. It is unrelated to the number of employees in the way employers’ liability insurance is.

A one-person consultancy can create a high-value professional exposure.

Does every business that gives advice need PI?

Not as a universal legal rule. The practical need depends on:

• whether the advice is professional and relied on;
• the potential loss;
• contract requirements;
• professional rules;
• the business’s ability to defend a claim;
• the availability and terms of insurance.

Advice given informally or without charge can still create allegations. The ABI notes that compensation claims may arise even where a service or advice was provided free.

Client-contract checks

Before agreeing a PI clause, check:

• Does the required limit exceed what is available or affordable?
• Is the requirement any one claim or aggregate?
• Must defence costs be outside the limit?
• Is the excess capped?
• How long must cover continue after the work?
• Does the contract require cover for risks the policy excludes?
• Is liability uncapped or disproportionate to fees?
• Does the contract extend duties to third parties?
• Are subcontractors required to maintain equivalent cover?
• Does the clause require immediate notice of cancellation or material change?

A certificate shows selected policy details at a point in time. It does not prove that every contractual term is satisfied.

When PI may be less central

PI may be less central where a business sells standard goods and provides no professional advice, design or specialist service. Other covers may be more relevant, such as products liability, public liability, property, motor or employers’ liability.

However, a manufacturer that designs products, a retailer that gives specialist advice or a contractor that produces specifications can still have professional exposure.

Analyse the actual activities rather than the trade label.

Questions to decide whether to investigate PI

Answering “yes” to one or more does not prove a policy is required, but it suggests further review:

• Do clients pay for our expertise or judgement?
• Do we give advice, recommendations or opinions?
• Do we design, calculate, specify, certify or inspect?
• Could an error cause financial loss without injury or property damage?
• Do contracts require a PI limit?
• Does a regulator, licence or professional body impose PII rules?
• Do we use subcontractors but remain responsible to the client?
• Do we handle confidential data, documents or intellectual property?
• Could a claim arise years after the work?
• Would we be able to fund a specialist defence without insurance?

Evidence to collect

Before seeking a quote or reviewing cover, gather:

• service descriptions;
• standard and largest contracts;
• annual fee income or turnover by activity;
• client and sector breakdown;
• geographic scope;
• claims and complaints history;
• details of errors or circumstances;
• previous policy and retroactive date;
• professional-body rules;
• required limits and run-off periods;
• subcontractor arrangements.

The business insurance review checklist can help organise the information.

Frequently asked questions

Is PI compulsory for consultants?

Not as a universal legal rule. A consultant may be subject to a sector rule or client contract, and may choose cover because of the professional risk.

Is PI compulsory for freelancers?

Not simply because someone is freelance. The work, profession, membership and contracts determine the requirement.

Does a client request make PI legally compulsory?

It makes the cover contractually required if the term is agreed. That is different from a statutory duty.

Can a professional body set a minimum limit?

Yes. Rules can specify limits, wording, excesses, insurers and run-off arrangements.

Can I rely on a generic certificate?

A certificate is evidence, not the complete policy. Check the schedule, wording and endorsements.

Do I need PI and public liability?

They address different main risks. A business may need one, both or neither depending on activities and requirements.

Next step

Identify the exact source of any requirement: legislation, regulator, professional body, membership, client contract or internal risk decision. Then compare that requirement with the full policy terms.