February 20, 2026
Professional indemnity insurance sits quietly in the background of many NSW businesses, right up until something goes wrong. A client alleges negligent advice, a design error causes loss, or a professional service falls short of expectations. Even where a business has acted reasonably, defending that allegation can be costly. Professional indemnity cover exists to manage that risk.
At Maguire & McInerney, we regularly assist businesses and professionals where claims arise or where insurers decline cover. Our approach is practical and commercial, aimed at protecting long-term business interests, not just winning an argument.
If your insurer has declined cover, or you are facing a claim and unsure how your policy responds, contact our team for a clear assessment of your position.
What professional indemnity insurance covers
Professional indemnity insurance (often shortened to “PI insurance”) generally protects a business or professional against civil liability arising from the provision of professional services.
It typically responds to claims alleging:
- Negligence or breach of professional duty
- Errors or omissions in advice, design, or services
- Misleading or deceptive conduct connected to professional work
- Unintentional defamation, breach of confidentiality, or infringement of intellectual property (depending on policy wording)
Coverage is not one-size-fits-all. The insuring clause, limits, and exclusions differ across industries. Policies are usually “claims made and notified”, meaning the policy triggered is the one in place when a claim is made and reported—not when the work occurred. That feature makes correct notification essential.
Who Needs Professional Indemnity Insurance in NSW
PI insurance is often mandatory under legislation or professional standards for certain occupations and industries. It is also a commercial expectation in many contracts.
Common NSW examples include:
- Construction, engineering, surveying, and design professionals
- Accountants, financial advisers, and mortgage or insurance brokers
- IT consultants and software/service providers
- Marketing, media, and communications professionals
- Health and allied health practitioners in private practice
- Management consultants, trainers, and other advisory services
In construction and engineering, PI insurance can be a contractual requirement on projects and a prerequisite for tendering. Where services involve reliance by a client, PI insurance is a sensible cornerstone of business insurance.
Common Claim Scenarios
Professional indemnity claims tend to arise from a familiar set of issues. Understanding these patterns helps inform both policy selection and risk management.
Advice or service alleged to be negligent
A client might allege that advice was incorrect, incomplete, or not suited to the circumstances. The claimed loss may involve financial impact, delay costs, or downstream remediation.
Design or specification errors
Engineers, architects, certifiers, and building professionals frequently face claims where a design element fails, does not comply with standards, or requires rectification. NSW construction projects can generate high-value claims because the alleged loss often includes consequential costs.
Failure to warn or document assumptions
Some claims follow a service that was otherwise competent but lacked clear warnings, limitations, or written records. In disputes, documentation is often the dividing line between a defensible position and a liability exposure.
Misleading or deceptive conduct
Even without intent, professional representations can lead to allegations under the Australian Consumer Law. PI policies commonly include cover for these allegations, but exclusions can apply where conduct is dishonest or reckless.
Exclusions that cause real problems
Most PI disputes centre on policy exclusions. Insurers rely on exclusions to narrow liability, and sometimes to decline claims entirely. The policy wording matters.
Fraud, dishonesty, or intentional wrongdoing
Almost all policies exclude cover for deliberate misconduct. Some still cover innocent partners or employees, but only if the policy contains a “severability” or “innocent insured” clause.
Known circumstances and prior claims
Policies exclude claims connected to matters that were known (or reasonably should have been known) before inception. This is a frequent issue when a business changes insurers or delays notification.
Contractual liability
PI insurance generally covers liability that arises under the ordinary law of negligence or statute. It may exclude liability assumed purely by contract—such as broad warranties or indemnities beyond common-law duty.
Fines and penalties
Civil penalties or criminal fines are typically excluded, though defence costs can sometimes be included depending on the wording.
Work outside the declared scope
If services performed are outside the “professional services” definition in the policy schedule, insurers may refuse indemnity. This comes up when a business expands into new service lines without updating cover.
When an insurer relies on an exclusion, the burden usually lies with the insurer to show the exclusion applies. The relationship is also regulated by duties of good faith under the Insurance Contracts Act 1984 (Cth), meaning claims decisions must be fair, transparent, and based on proper grounds.
Choosing The Right PI policy
Selecting a PI policy is a risk strategy, not a tick-box exercise. A good policy aligns with real exposure.
Match policy scope to actual services
A policy should define professional services broadly enough to cover what the business genuinely does, including minor or related service lines. If the scope is too narrow, coverage gaps appear fast.
Review limits and sub-limits
Claim size in NSW can escalate quickly when projects are large or when consequential losses are alleged. It is important to consider whether limits reflect worst-case exposure rather than average matters.
Pay attention to retroactive dates
Retroactive cover protects work done before policy inception. A retroactive date set too recently can leave historical projects uninsured.
Understand notification obligations
Because PI is ‘claims-made’, notification is crucial. Policies often require notification of:
- Actual claims
- Threats or demands
- Circumstances that might reasonably lead to a claim
Late notification can be enough for an insurer to deny indemnity. Building internal systems to report incidents early is a practical safeguard.
Coordinate PI with broader business insurance
Professional work risks sit alongside cyber, public liability, directors’ duties, and contract risk. PI should be considered as part of an overall business insurance framework, not in isolation.
What Happens When a PI Claim is Denied
A denial does not always mean the insurer is right. Denials often turn on interpretation of policy wording, timing, or the insurer’s factual assumptions.
Where cover is declined, practical steps include:
- Obtaining a full written explanation of the decision
- Reviewing the policy and proposal documents for scope, conditions, and exclusion
- Checking whether the insurer has met statutory duties of good faith
- Preparing a written response with supporting evidence
- Considering dispute pathways (internal review, AFCA where eligible, or court proceedings)
At Maguire & McInerney, we assist with disputed or denied claims by analysing the policy from a litigation perspective and pressing for a commercially sensible outcome. We focus on getting claims back on track, and where needed, we litigate decisively.
For businesses dealing with wider insurance disputes, our Insurance & General Litigation team provides end-to-end support, including negotiation, mediation, and court proceedings.
How Legal Support Strengthens PI Outcomes
Insurance disputes are not just technical arguments. They are risk moments that can shape a business’s future.
Early legal involvement can:
- Clarify whether a claim truly falls within exclusion
- Ensure notifications and communications are handled correctly
- Protect privileged material during investigations
- Challenge unreasonable delay or unfair reliance on exclusions
- Negotiate partial indemnity or strategic settlement where appropriate
In matters tied to business contracts or construction exposure, aligning PI advice with contract and project realities is essential. Our broader practice in Business & Company Law, Contract Disputes, and Building & Construction Law allows PI disputes to be managed in their commercial context.
Professional indemnity insurance is a key element of risk protection for NSW businesses that provide advice or professional services. It can cover defence costs and compensation where allegations of negligence, error, or misleading conduct arise. Yet policy exclusions, retroactive dates, and notification rules frequently create disputes when a claim is made.
When cover is questioned or refused, a firm view of the policy wording and insurer obligations often changes the outcome. Maguire & McInerney brings decades of insurance and commercial litigation experience to these disputes, with a focus on clear strategy and practical solutions.
To discuss professional indemnity claims, denied cover, or broader business insurance issues, contact our team and we will give you a clear view of your options.
