If you work in accounting - whether as a sole trader, a principal in a small practice, or a partner in a larger firm - professional indemnity insurance is not optional. It is a regulatory requirement, a commercial necessity, and one of the most important risk management tools your practice can hold.
This article explains why PI insurance is mandatory for accountants in Australia, what happens without it, and what to look for when choosing a policy.
Yes. Professional indemnity insurance is a mandatory requirement for registration as a tax agent in Australia under the Tax Practitioners Board (TPB). The TPB requires registered tax agents to maintain PI insurance at all times, with minimum coverage levels determined by annual fee income.
Failure to hold adequate PI insurance is a breach of TPB registration conditions and can result in suspension or cancellation of your registration - which would prevent you from legally providing tax agent services.
Members of professional bodies such as CPA Australia, Chartered Accountants Australia and New Zealand (CA ANZ), and the Institute of Public Accountants (IPA) are also typically required to hold PI insurance as a condition of membership.
Even the most diligent accountant can face a claim. Common scenarios that give rise to professional indemnity claims against accounting firms include:
• Errors in tax returns that result in ATO penalties forthe client
• Advice on a business structure or transaction that theclient subsequently disputes
• Omissions in financial statements that affect aclient's ability to secure finance
• SMSF audit work where the client later alleges a compliance failure was missed
• Business advisory services where the client attributesa commercial loss to professional advice
A PI insurance policy responds to these claims by covering the cost of legal defence and, where a claim is settled or judgment is made against you, any damages awarded - up to the policy limit.
Operating without PI insurance exposes your firm to potentially significant financial risk. Legal defence costs alone - even for claims that are ultimately unsuccessful - can run to tens of thousands of dollars. If a claim is found against you, the financial exposure could be far greater.
Beyond the financial risk, operating without PI insurance while registered as a tax agent puts your TPB registration at risk - which would effectively prevent you from practising.
Many accounting firms hold PI insurance under a generic business policy that was not designed with their specific risk profile in mind. These policies often include exclusions that are directly relevant to accounting work, or set coverage limits that do not reflect the firm's actual exposure.
A specialist PI policy - one designed specifically for accounting and advisory firms - provides cover that is aligned to the work you actually do, including the higher-risk advisory services that many modern accounting firms now provide alongside traditional compliance work.

We believe in working closely with you to understand your unique needs and preferences, ensuring that the insurance coverage we offer is affordable and precisely tailored to meet your requirements.