AAT Members Professional Indemnity Insurance

Contractual obligations: Some contracts stipulate minimum cover levels. As a sole practitioner providing basic bookkeeping services to small local businesses, you might adequately manage risk with £250,000 coverage. However, if you were offering corporate tax advice to medium-sized companies, you would likely need £500,000 or more. If you’re asking yourself this question, ICPA can help.

Accounting-specific insurers, like A-rated insurer AXA, understand the profession’s nuances and regulatory requirements.

Paul Gillett

The reality is that even the most careful accountant can face a claim…PI insurance protects your professional reputation and your clients’ interests when that happens. When a claim comes in – and statistically, it probably will at some point in your career – you want to be properly covered. How much professional indemnity insurance do you need? It all depends on factors like the size of your practice, your client mix, and the specific services you provide. A sole trader doing basic bookkeeping for corner shops has very different risk exposure than someone advising on corporate acquisitions.

16.1 The minimum-premium floor

Understanding what’s mandatory versus what’s wise is the first step in making sure you’re adequately protected. From human error to miscommunication to claims of negligence, things can – and occasionally do – go wrong. A single claim, even if it’s unfounded, can have serious repercussions. As an accountant, you handle sensitive financial information and provide advice that influences your clients’ business decisions. An error in judgment, a calculation mistake, or a missed deadline can result in serious financial losses for clients – and potentially devastating claims against your small practice. ICPA Pro, Premium, and Essentials members benefit from tailored cover provided by AXA, along with options to scale up affordably depending on your practice’s turnover and risk profile. Don’t leave your practice exposed to preventable risks. Whether you’re a sole practitioner or a growing firm, contact ICPA today to discuss how our professional indemnity insurance solutions can provide the protection and peace of mind your practice deserves.

What Professional Indemnity Insurance covers for accountants

Different professional bodies set varying minimum requirements, reflecting their assessment of typical member risk exposure: ICAEW: For firms with less than £800k in fee income, the minimum limit must be equal to 2.5 times its gross fee income, with a minimum of £250,000. ACCA: If your firm’s total income is less than £600,000 a year, you need coverage worth at least 2.5 times your annual income, but never less than £100,000 – whichever figure is higher. Sole traders: the greater of either 2.5 times your firm’s gross fee income or £50,000. Partnerships: the greater of 2.5 times your firm’s gross fee income or £100,000. Limited companies: the greater of 2.5 times your firm’s gross fee income or £100,000.

Optimism returning to the market

This includes fees from all accounting services – audit work, tax advice, bookkeeping, and consultancy. Basically, anything that falls under your professional activities. Investment income or rental income from office space doesn’t count. Let’s look at ACCA’s requirements as an example… You need minimum £100,000 cover (the baseline applies) You need minimum £200,000 cover (2.5 x £80,000) You need minimum £375,000 cover (2.5 x £150,000). Professional bodies like ACCA recognise that larger practices face proportionally greater risk exposure. Sign up to our mailing list to receive weekly bulletins on all of the latest accounting news. ACCA's rules are changing in September 2023 ACCA is introducing new professional indemnity insurance (PII) regulations in September 2023. The new PII regulations are the first in a series of planned modernisation and improvements to the Global Practising Regulations and the ACCA Rulebook. However, members and firms will be given a period of time to adjust to the changes and obtain PII cover which is compliant with the new regulations. The guidance on this site is based on our own analysis and is meant to help you identify options and narrow down your choices.

• For office-based businesses, minimum often includes EL, Public Liability, and contents insurance.
• For construction contractors, minimum typically includes EL, Public Liability, and Contract Works insurance.
• For consultants, minimum often includes Professional Indemnity and Public Liability insurance.
• For retail businesses, minimum includes EL, Public Liability, and Product Liability insurance.
• For hospitality, minimum includes EL, Public Liability, and Employers' Liability.

We do not advise or tell you which product to buy; undertake your own due diligence before entering into any agreement.

• Public Liability insurance is not a legal minimum but is often required for contracts and leases.
• Professional Indemnity insurance is a legal requirement for certain professions like financial advisors.
• Motor insurance is a legal minimum for any company vehicles, with at least third-party cover.
• Product Liability insurance may be required if you manufacture, supply, or repair goods.
• Directors' and Officers' Liability insurance is not legally required but is critical for risk management.

The amount of insurance an accountant needs depends on whether or not they're a chartered accountant, with which professional body they hold membership and how much they collect in fees. Let's look at how these factors affect the limit of professional indemnity insurance (PII) an accountant needs.

4. ACCA Professional Indemnity Insurance Regulations

A practice turning over £200,000 annually likely handles bigger clients and more complex work than one generating £40,000. Of course, this only applies to practices with income below £600,000. If you cross that threshold, you’ll need to check ACCA’s higher-tier requirements, which typically involve fixed minimum amounts rather than income-based calculations. The 2.5 multiplier might seem arbitrary, but it reflects typical claim values relative to practice size. Smaller practices face different risk profiles than larger firms.

Pro Members – £300k Cover

The requirements attempt to match coverage to realistic exposure levels. Remember, though, these are minimums, not necessarily recommendations. Depending on your client mix and service complexity, you might need more than the baseline suggests. Operating outside of a professional body doesn’t eliminate the need for PI insurance. As an independent practitioner, you face the same liability risks. Rated 4.7 out of 5 stars on Reviews.co.uk Chartered accountants must have a professional indemnity insurance (PII) policy, and this policy must meet certain requirements. For starters, PII for a chartered (or chartered certified) accountant must be considered 'qualifying insurance'.

How Apex helps

Without adequate professional indemnity cover, you’re personally liable for all legal costs and settlements, and a single claim could jeopardise your practice. Even if you’re confident in your work, claims can arise from misunderstandings, third-party reliance, or client disputes. Skimping bet betting joining offers on cover is a false economy. Minimum requirements are just a starting point, but real-world risks vary widely, and your actual coverage needs depend on the following factors. Fee income and client size: Bigger clients or higher-value engagements mean higher potential claims.

12.2 Liability Limitation Agreements (LLAs)

And turnover alone doesn’t determine optimal coverage. A practice specialising in high-risk advisory work, for example, might need coverage exceeding what turnover-based formulas suggest. Type of work: Client profile significantly impacts risk levels. Practices serving large corporations, high-net-worth individuals, or regulated industries face different risk exposures than those focusing on small businesses or personal tax work. Complex corporate restructuring advice carries different liability risks than basic bookkeeping services. Underwriters issuing qualifying insurance agree to abide by certain minimum terms on accountant PII, to make sure all chartered accounts maintain a certain standard of protection. Next, chartered accountants have to abide by certain minimum limits of insurance as stipulated by their accountancy body membership (e.g., ICAEW, ACCA). The required amount of professional indemnity dictated by these bodies is linked to fee income (both annual fee income and largest client fee income). BUT many accountancy businesses need to hold more depending on their fees and the work they do. Let's have a look at the minimum PII requirements as stipulated by the Institute of Chartered Accountants in England and Wales (ICAEW) and the Association of Chartered Certified Accountants (ACCA), since these are the two largest accountancy bodies in the UK.

• Check if your business needs Professional Indemnity insurance as mandated by your professional body.
• Review client contracts, as they often specify minimum insurance levels for Public Liability.
• Assess the value of assets and potential business interruption to determine adequate property insurance.
• Consider Cyber Liability insurance, increasingly required in contracts for handling client data.

Under the ICAEW Professional Indemnity Insurance Regulations (effective September 2024), the previous £100,000 minimum has been abolished. For 2026, most chartered accountancy firms are now required to maintain a minimum limit of indemnity of £2 million for any one claim and in the aggregate. However, for smaller practices with a gross fee income of less than £800,000, the minimum limit is calculated as two and a half times the firm's gross fee income, subject to a absolute minimum of £250,000.

Additionally, firms must ensure their policy excess does not exceed the higher of £3,000 or 3% of their gross fee income. As of 2026, the ACCA has simplified its requirements into two primary income bands, having increased the absolute minimum limit from £50,000 to £100,000. For firms with a total income below £600,000, the required PII limit is the greater of two and a half times the firm's total income or £100,000.

For firms with a total income of £600,000 or more, the minimum limit of indemnity is now fixed at £1.5 million. Note that the old '25 times the largest fee' multiplier has been removed from the standard calculation to simplify compliance.

• Insurance requirements can be stipulated in the Articles of Association for limited companies.
• Shareholders' agreements may mandate specific Directors' and Officers' Liability cover levels.
• Bank loans or financing agreements often require asset and key person insurance as collateral.
• Landlord lease agreements frequently require tenants to have Public Liability insurance.

Accountants who are not chartered technically don't have any obligation to buy PII. That said, it is widely recommended for all accountants to have professional indemnity insurance.

What happens to PI on practice merger or sale?

Without PI insurance, legal fees, court costs, and compensation can easily run into tens or even hundreds of thousands of pounds. The financial impact can quickly exceed what most small practices can absorb. Beyond the financial hit, reputational damage can be even harder to repair. Claims, even unfounded ones, can damage client relationships and referral networks that take years to build. Insurance coverage provides the resources needed to defend your practice effectively.

7.2 Practical overlap with bookkeeping and compliance

And clients need confidence that, in the unlikely event of a mistake, you can put it right. If you’re a member of a professional body such as ICAEW, ACCA, or AAT, professional indemnity insurance is a requirement. Operating without adequate cover can limit your ability to secure work with larger clients (particularly corporate or public sector clients) who require evidence of PI insurance as part of their procurement processes. Some lenders will also mandate it for business financing. Professional bodies prescribe minimum levels of cover – based on turnover, fee income, and other risk factors.