Can a client sue you for bad advice? What actually happens and how to protect yourself

This article is general in nature and does not take into account your objectives, financial situation or needs. It is not legal or personal advice. If you're facing an actual or threatened claim, contact your broker and insurer promptly.

The short version

If a client believes your professional advice or work caused them a financial loss, they can pursue a claim against you, and defending it costs money whether or not you're ultimately found liable. Professional Indemnity (PI) insurance is built for exactly this: it covers your legal defence costs and any settlement or judgment, up to your policy limit. This guide walks through what actually happens when a claim comes in, shows how it plays out differently across professions, and explains how the cover responds.

First: you don't have to be wrong to be sued

This is the part most professionals underestimate. A claim doesn't require that you were negligent in some obvious way. It requires that a client believes your advice or work fell short and cost them money, which is a much lower bar.

A project that failed for reasons partly outside your control. A recommendation that was reasonable at the time but didn't play out. A difference of interpretation about what you were actually engaged to deliver. Any of these can become a claim, and even one you're confident is baseless has to be responded to, which takes time, money, and usually lawyers.

That's the core reason PI exists: not because professionals are careless, but because being blamed is an ordinary business risk, and defending yourself is expensive.

What actually happens, step by step

Step 1: The claim arrives

It usually starts before any court and shows up as a letter of demand or a formal complaint, asserting that your advice or work caused a loss and seeking compensation. It might come from the client or their lawyer.

What to do first: don't respond substantively, don't admit fault, and don't offer to fix or pay for anything. Notify your broker and insurer straight away. Most PI policies require prompt notification, and responding yourself before the insurer is involved can complicate the claim.

Step 2: Notification and assessment

Your insurer assesses the claim. This is where cover changes everything: instead of you personally working out your exposure, the insurer's claims team (and appointed lawyers, if needed) take it on. They look at what was agreed, what advice was given, what the client's loss really is, and whether the claim has merit.

Step 3: Defence or negotiation

Most claims never reach a courtroom. They resolve through correspondence, negotiation, or mediation. If it escalates, your PI cover funds the defence: solicitors, barristers, expert reports, court costs. This is the expensive part, and the part PI really protects you from — defence costs alone can run well into five or six figures, even for a claim you win.

Step 4: Resolution

The claim resolves through settlement, withdrawal, or (rarely) a court judgment. Where you're liable, PI covers the settlement or judgment up to your limit. Where you're not, it covers the cost of proving it. Either way, your exposure is largely your excess and your time, not the full financial weight of the claim.

How this plays out in your profession

The process above is universal, but what you get sued for looks very different depending on what you do. Here's how a claim typically arises across professions through some examples.

Accountants and bookkeepers

The claim is usually about numbers, deadlines, or advice that cost the client money. A tax return with an error that triggers an ATO penalty. A missed lodgement deadline. Financial advice or a forecast the client relied on for a decision that went wrong. A misclassification that leads to an audit. Because clients act on your figures for real financial decisions, the loss they claim can be many times your fee.

Engineers

The claim typically involves a design, calculation, or certification that's alleged to have failed or fallen short. A structural design that doesn't perform as intended. A specification error that causes a rebuild. A certification a client relied on. Engineering claims can be high-value because downstream costs for things like rectification, delays, and safety remediation are large, and PI (often mandatory for registered engineers) is central.

Management and business consultants

The claim is about advice or recommendations that didn't deliver. You recommended a strategy, restructure, or system, the client implemented it, and it didn't produce what they expected, so they claim the cost. Consulting claims often hinge on what was actually promised versus what the client believed they were buying, which is why a clear scope is your best defence.

Designers, creative and marketing

The claim often involves IP, brand damage, or a deliverable that missed the mark. You unknowingly used an image or asset that infringes copyright. A campaign or rebrand the client says damaged their brand or underperformed against what was agreed. A deliverable that missed the brief and cost the client a launch. Creative claims blend professional-service risk with IP exposure.

IT consultants and developers

The claim is about code or technology advice that caused a loss. A bug that makes it to production and costs the client. A system integration that doesn't work as contracted. A recommended architecture that fails, or a project that runs late. For tech professionals, this sits within IT Liability — PI tuned for technology work, because generic PI often excludes tech-specific failures. (More in our ICT & SaaS insurance guide.)

The common thread: across every one of these, you don't have to have been careless. You have to have a client who believes your work cost them money, and the cost of defending that is the same regardless of who's ultimately right.

What it costs: with insurance vs without

Without PI:

• Legal defence costs can run into the tens or even hundreds of thousands of dollars before any damages are awarded, even for a claim you ultimately win
• Any settlement or judgment: potentially far more, uncapped
• Your time, and the stress of managing it personally
• Depending on your business structure, personal assets can be exposed

With PI:

• Your policy excess
• Time spent providing documents and information
• Everything else — defence, settlement, legal strategy — handled by the insurer and their lawyers, up to your policy limit

The premium is a small, known annual cost. A single claim is a large, unknown one. That's the trade the cover exists to make.

How to reduce the risk of a claim

Insurance responds when things go wrong, but a few habits make claims less likely and easier to defend:

• Put the scope in writing. Most "you gave me bad advice" disputes are really "we disagreed about what you were engaged to do." Clear engagement terms are your best protection.
• Document your advice and the client's decisions. A record of what you recommended, why, and what the client chose is powerful evidence if a claim comes.
• Manage expectations honestly. Over-promising is a common root of claims. Being clear about limitations and risks up front narrows the gap between expectation and outcome.
• Flag when something's outside your competence. Recommending specialist input where appropriate is both good practice and good protection.

None of these eliminate the risk, which is why the cover matters, but they lower it and make any claim far easier to defend.

Protect yourself before it happens

If your business gives advice or delivers professional services, Professional Indemnity is the cover that responds when a client says it cost them money, whatever your profession.

Talk to the Pocket team → about the right PI cover for your work.

With Pocket is a business name of Insurance Services Holdings Pty Ltd (ABN 36 612 629 295, AFSL 491165). Member of NIBA. Part of the Steadfast Group. This article contains general information only and does not take into account your objectives, financial situation or needs. It is not legal or personal advice. Before acting on any information here, consider whether it is appropriate for your circumstances and read the relevant Product Disclosure Statement.