What Does PI Insurance Actually Cover? A Plain-English Guide for Accountants

Most accountants can explain professional indemnity insurance to a client in one sentence, but ask them to explain their own policy and the answer gets vaguer fast. That is not a criticism. Insurance language is built to be precise for lawyers, not clear for the people paying the premium. Here is what your PI cover actually does, in plain English.

The basic idea

Professional indemnity insurance responds when a client claims they lost money because of your advice, your work, or something you failed to do. Not because they are unhappy with your fee, and not because the outcome simply did not go their way. The claim has to allege that your professional conduct caused a financial loss.

Picture the practical version. A client says your advice on a structure cost them a preventable tax bill. A lodgement error triggers ATO penalties the client says you should have caught. A deadline was missed and the client lost a concession as a result. These are the situations PI insurance exists for.

What it actually pays for

When a claim is made, a PI policy generally covers two different things, and the distinction matters.

The first is the cost of defending the claim itself. Legal fees add up quickly even for a claim that eventually gets dropped, and this is often the larger share of what a policy actually pays out. The second is any settlement or judgment your practice becomes liable for, up to your policy's cover limit. A policy that only covered payouts and not defence costs would be far less useful than it sounds, which is why the TPB's minimum cover requirements are expressed inclusive of both.

What it generally does not cover

This is the part worth understanding before you ever need to rely on it, because it shapes what "adequate cover" actually means for your practice.

PI insurance is not general liability cover. A client tripping in your office reception is a different type of policy entirely. It is not cyber insurance either. If client data is breached or a scam email costs a client money, that typically needs separate cyber cover, something the TPB has explicitly flagged as a gap many practitioners assume is covered when it is not.

It also does not cover deliberate wrongdoing. Fraud, dishonesty, or knowingly breaching the law sit outside what any PI policy is designed to respond to. And it generally will not help with a client simply unhappy about your invoice. A billing dispute is a commercial disagreement, not a professional negligence claim, and the two get treated very differently.

The claims-made detail nobody explains well

Here is the piece of the puzzle that trips people up most. PI insurance is written on a claims-made basis, which means the policy that responds is the one in force when the claim is made against you, not the one that was in force when you did the work in question.

Practically, that means a piece of advice from three years ago is protected by whichever policy you hold today, provided your retroactive date reaches back that far. It also means continuity matters enormously. A gap in cover, or switching insurers without confirming your retroactive date carries across, can leave past work exposed even though you did nothing wrong at the time.

Why the minimum isn't automatically the right amount

The TPB sets minimum cover levels tied to your turnover, and meeting the minimum satisfies your registration requirement. But minimum and adequate are not the same question. A firm with large or complex clients, advisory work, or high-value engagements may face a bigger potential claim than the minimum tier assumes. Cover level is really a question about your actual exposure, with the TPB minimum as the regulatory floor underneath it, not the ceiling above it.

The one habit that protects you most

Understanding what your policy covers only helps if you use that understanding. The single most protective habit is raising a concern early. If a client relationship feels off, if you have spotted an error, or if something makes you uneasy enough to mention it to a colleague, that is worth a confidential conversation with your insurer or broker about notifying a circumstance, before it becomes a formal claim. Most claims-made policies are built around exactly this behaviour, and using cover the way it is designed to be used is often the difference between a smooth claim and a contested one.

The short version

PI insurance pays your defence costs and any settlement when a client alleges your professional work caused them a financial loss. It does not cover general liability, cyber incidents, dishonesty, or fee disputes. The policy that matters is the one you hold when a claim is made, not the one you held when the work happened, which is why continuity and an accurate retroactive date matter more than almost anything else on the schedule.

If you have read this and are not entirely sure your own cover matches your current practice, that is a completely normal place to be. The team at Abacus is happy to walk through what your policy includes, with no pressure and no commitment.