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Why is PI insurance required?

Why is PI insurance required?
Professional Indemnity (PI) insurance is essential for any professional providing advice or services because it protects against claims of negligence, errors, or omissions. It is often contractually or regulatorily mandated and preserves both your finances and reputation by covering legal defense costs and client compensation.


Key Points

  • PI insurance covers legal costs and client damages following claims of professional fault.

  • Many industries or professional bodies require it for licensing or contracts.

  • It protects professionals against allegations—even if claims ultimately lack merit.

  • Provides peace of mind in litigious environments.

  • Safeguards your business continuity and credibility.


1. Shield Against Errors, Omissions, and Negligence

Claiming that advice, services, or design work met expectations can be subjective. Even diligent professionals risk lawsuits simply over mistakes. PI insurance responds to such claims, covering legal fees and compensation—even when allegations are unfounded.

2. Not Always Legally Required—but Usually Mandatory Contractually

While laws rarely mandate PI insurance, many professional and regulatory bodies effectively do. In sectors like law, accounting, engineering, architecture, and financial services, membership or contract eligibility often hinges on having active PI cover.

3. Why It Matters in Real Practice

Mistakes happen—even for experienced professionals:

  • An audio consultant’s design flaw leads to a costly reinstallation.

  • A designer unintentionally replicates copyrighted work.

  • A consultant breaching confidentiality faces client backlash.

PI insurance ensures these risks don’t cost careers—or businesses.

4. Financial & Reputational Protection

Defending a claim can ruin a small business in time and cost. PI insurance handles:

BenefitDescription
Legal DefenseAttorney, court, expert witness fees
Settlements & JudgmentsClient compensation and negotiated agreements
ReputationDemonstrates responsibility and reliability to clients

5. Industry Mandates and Good Practice

Clients or regulators often demand PI insurance in contracts. No PI cover means losing clients, being unlicensed, or being excluded from tenders.

6. Real Cases Illustrate the Need

  • An acoustics firm sued for £35,000 due to poor design. PI saved them financially.

  • A marketing agency reprinted materials with wrong contact info; PI covered the £12,000 mistake.

  • A breach of confidentiality or copyright could lead to high-stakes lawsuits—PI protects both your assets and reputation.

7. Coverage Types: Claims-Made vs. Occurrence-Based

  • Claims-Made: Covers claims reported during the active policy term.

  • Occurrence-Based: Covers incidents occurring during policy, even if reported later.
    Contracts may require “run-off” or extended reporting after coverage ends.

8. Picking the Right Limit

Coverage limits should match risk level, client-contract demands, and industry standards. Going under-insured leaves you exposed to disastrous financial risk.


Frequently Asked Questions (FAQ)

Q1: Is PI insurance always mandatory?
Not legally, but many industries, regulatory bodies, and clients require it for compliance or credibility.

Q2: How does PI differ from general liability insurance?
PI covers financial loss due to professional mistakes. General liability covers physical injuries or property damage.

Q3: Why are there different policy types?
Claims-made is more affordable but stops when policy ends. Occurrence-based extends post-policy claims.

Q4: Can errors made years ago still be claimed?
Yes—unless retroactive coverage or occurrence policies protect you. Run-off coverage helps when you stop practice.

Q5: Is PI expensive?
Costs vary by field; low-risk freelancers may pay modest premiums; higher-risk professions pay more. Still far cheaper than losing a lawsuit.


At THAgency, we simplify securing tailored PI insurance that protects your expertise and reputation—without overpaying or getting underinsured. We compare hundreds of carriers to find the best, most cost-effective coverage for your profession.

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