Professional indemnity insurance—FCA-regulated professionals (including IFAs and brokers)

ATT mirrors CIOT structurally: 2.5 × fees, £100k floor, £1m practical minimum at £400k+ fees. Tax technician portfolios skew to frequency rather than severity — structure accordingly.

• Proof of insurance must be submitted annually to ACCA
• Failure to maintain insurance can lead to disciplinary action
• ACCA may request a certificate of insurance at any time
• The policy must be in the name of the firm or sole practitioner
• Cover must be continuous with no gaps

The Association of Accounting Technicians licenses members in practice through its Licensed Accountant bet betting promo codes for existing customers and Licensed Bookkeeper schemes. AAT is the largest UK accountancy body by membership and supervises a substantial number of small-practice principals.

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Worked example: A sole-practitioner ACCA member with gross fee income of £180,000 must hold 2.5 × £180k = £450,000 — above the £100k floor and below the £500k band minimum. The next band starts at £200,001 of fees, when the limit jumps to £500,000 minimum. ACCA requires its members in practice to: Confirm PII compliance annually at practising certificate renewal; Disclose insurer details to ACCA on request; Notify ACCA of any decline, cancellation, void or non-renewal within 14 days. ACCA uses a four-band sliding scale, floored at £100k for the smallest practices and capped at £1.5m for the largest under the formula. Excess capped at 2% of gross fee income.

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Six-year run-off mandatory; Bye-Law 8 disciplinary risk for any breach. The Institute of Chartered Accountants of Scotland regulates members and firms operating north of the border, but its rule set applies UK-wide to ICAS members in practice. The Public Practice Regulations set out the PII obligations. ICAS aligns broadly with ICAEW: the greater of 2.5 × gross fee income or £1.5 million, with the £3m cap on the formula for sub-£12m firms. Beyond that, "adequate and appropriate" cover is required.

Clayton and Clayton Accountants LLP

The ICAS excess cap mirrors ICAEW: lower of £30,000 per principal or 3% of gross fee income. Two Scots-law features should be on the underwriter's risk note: Scots law has a five-year prescriptive period for most obligations under the Prescription and Limitation (Scotland) Act 1973, but with delayed-discoverability provisions that can extend the practical exposure considerably. The 2018 amendments brought parts of the regime closer to England's Limitation Act framework, but differences remain. Scottish law applies joint and several liability among delinquent professionals somewhat differently from English law; counsel's advice is essential where a claim has both English and Scottish defendants. ICAS is a Recognised Supervisory Body for audit purposes. AAT requires every Licensed Member to hold PII at not less than £50,000 per claim as a baseline, with the limit scaled to gross fee income: AAT licensed members may undertake bookkeeping, financial accounts, management accounts, payroll, VAT, personal tax and limited company tax (where the member's licence covers it), and limited company accounts. AAT does not licence audit work — a member intending to perform audit must hold registration with a Recognised Supervisory Body (ICAEW, ICAS, CAI or ACCA).

Why do accountants need insurance?

These claims often combine direct tax loss (the unpaid tax, interest, sometimes penalties) with consequential loss (forced sale of an asset, breakdown of a transaction). Heads of damage compound, and a £1m minimum can be eroded quickly by a single high-net-worth client matter. CIOT requires six years of run-off at the level of the last live limit. Worked example: A CIOT-regulated tax boutique with £900,000 of fees must hold at least 2.5 × £900k = £2.25m. The firm runs a single high-net-worth client with annual planning fees of £80,000 and a potential structure size of £4m.

9.1 The IFA minimum

The minimum complies with CIOT, but is not "adequate" for the actual risk: the broker should recommend at least £5m to give headroom. CIOT requires 2.5 × fees with a £100k floor and a £1m practical minimum for mid-sized firms. Tax claims combine direct and consequential loss — minima erode quickly on HNW work. The Association of Taxation Technicians sits alongside CIOT as the sister-body for tax practitioners. Its Members in Practice (MiP) rules require licensed members to hold PII at the same proportional structure as CIOT. six years of run-off following cessation; notification within 14 days of cancellation, decline or material restriction; Worked example: A newly licensed AAT bookkeeper with first-year gross income of £18,000 must hold £50,000 minimum.

The market floor for licensed-member PI is typically £600–£900 per annum for this profile — the minimum-premium dynamic in chapter 16 explains why. AAT runs a banded scale starting at £50k for the smallest practices. Scope is wide but excludes statutory audit.

• New practices must secure insurance before commencing work
• ACCA provides a list of approved insurance brokers for guidance
• The requirement applies to all ACCA members offering professional services
• Certain non-practicing roles may be exempt from mandatory PI
• Scope of services offered dictates the necessary level of cover

The Institute of Financial Accountants regulates members under its Practising Certificate framework. The IFA is also a recognised AML supervisor under the Money Laundering Regulations 2017. The IFA requires holders of a Practising Certificate to hold PII at not less than: minimum of £500,000 once fee income exceeds £250,000. The IFA's framework is closer to ACCA's banded approach than to ICAEW's formula-with-cap.

• Financial penalty for non-compliance can be up to £5,000
• Suspension of membership is a potential consequence
• ACCA's Professional Standards Department monitors compliance
• Members must notify ACCA of any material change in cover
• Breach of requirement is considered misconduct

The IFA also operates a member benefits scheme through which preferential PI terms are sometimes available — practitioners should benchmark against open-market quotes regardless, because the cheapest quote is not always the most appropriate cover. Six years of run-off is required. IFA mirrors ACCA's banded approach: £100k floor, £500k at £250k of fees.

Member-scheme cover is one option, not the default. The Independent Certified Practising Accountants is a smaller body that operates a member scheme covering practice support and a group PI facility. ICPA members in practice must hold PII at not less than £250,000 per claim as a baseline, with scaling to fee income (a multiple of fees similar to other bodies). Members who use the ICPA group scheme have the minimum requirement met by default, but should always confirm the specific limit on their schedule. Group schemes — operated by ICPA and historically by other small bodies — bring administrative convenience but two underwriting trade-offs: The scheme rates the membership as a whole; an individual practice with a poor claims record may pay more than the pool average or be removed. Group schemes typically offer a narrow range of options. Practices with bespoke risks (R&D advisory, IHT planning, insolvency) may need to top up the scheme cover with excess-layer placement. Watch out: group-scheme cover written through an unrated or lightly capitalised insurer is a financial-strength risk.

• Trustee appointments often require specific PI insurance verification
• Insolvency practitioners have separate, statutory PI requirements
• Public sector appointments may have different insurance stipulations
• Working overseas may necessitate additional local insurance

Always confirm the insurer's S&P / AM Best / Fitch rating and the FSCS-protection status before relying on the cover.

PII frequently asked questions

ICAS audit firms must hold PII that responds to audit work and must notify ICAS Audit Monitoring of any audit-related claim. The minimums apply uniformly to audit and non-audit firms; the standard expected on placement, however, is markedly higher for audit firms with quoted-company or substantial pension-scheme audits in their portfolio. Watch out: an ICAS firm registered with HMRC for AML supervision but not for audit still has a Public Practice Regulations obligation — the PI rule does not turn on whether the firm does audit work. ICAS minimum mirrors ICAEW: greater of 2.5 × fees or £1.5m, capped at £3m on formula. Scots-law prescription rules differ from English limitation — this affects long-tail claim profile.

15.3 The PI position — RPB requirements

Audit-registered ICAS firms face supervisory monitoring of claim notification. The Chartered Institute of Taxation regulates Chartered Tax Advisers and the firms they own or principal. CIOT publishes its Professional Rules and Practice Guidelines (PRPG) and a specific PII Regulations section. CIOT requires its members in practice to hold PII at not less than: a minimum floor of £100,000 for the smallest sole-practitioner practices, and a tapering structure that brings firms above £400,000 of fees to a £1,000,000 minimum. Many tax-only firms hold both Chartered Tax Adviser (CIOT) members and Taxation Technician (ATT) members.

Professional indemnity cover

The CIOT/ATT joint guidance treats the firm-level requirement as set by the highest body; in practice, where any principal is a CIOT member, the CIOT rules apply firm-wide. CIOT-regulated tax firms bet new uk sports betting sites 2026 see a recurring pattern of claim types that drive limit-setting: Mis-application of a tax statute (capital allowances, EIS/SEIS, IHT business property relief). Failure to file or to advise of a filing deadline. Negligent advice on a tax-driven structure (EBT, contractor loan schemes, certain R&D positions). Misadvice on residence and domicile (heightened risk since the 2024 statutory residence reforms). ICPA operates a small-body group scheme with a £250k baseline and fee-multiple scaling. Group schemes are administratively simple but underwriting-restrictive. Always confirm insurer financial strength and FSCS status. The "2.5 × fees" formula is so embedded in UK accountants' PI that it can obscure the underlying question: does the limit reflect the actual exposure?

What's covered by professional indemnity insurance for Accountants

a £1,000,000 minimum for firms above £400,000 of fees. A meaningful proportion of ATT MiPs operate as compliance and bookkeeping practitioners with a tax-return-heavy book of business. The risk profile is different from a CIOT-only advisory boutique: high volume of low-value engagements, lower per-claim severity but higher claim frequency. PI structuring should reflect this — a relatively lower per-claim limit with a higher aggregate or reinstatement may be more appropriate than a flat any-one-claim policy. ATT requires six years of run-off and reserves the right to suspend the MiP licence if PII evidence is not produced on demand. This chapter answers that question by reference to worked examples at five fee tiers. The 2.5 multiple emerged from historic claims data showing that, in aggregate, accountancy practices generated PI claims with average severity broadly equivalent to 2 to 3 times the annual revenue of the responsible firm. The number is a rule-of-thumb hardened into regulation; it bears no necessary relation to the size of any individual claim. *Apex-recommended floor is illustrative for a general-practice mix without audit, R&D advisory or insolvency exposure.