Employers Liability Insurance

Understanding Employers Liability Insurance in New Zealand

New Zealand's ACC scheme provides no-fault cover for personal injury caused by accident, meaning employees cannot sue their employers for compensatory damages in respect of most workplace accidents. However, ACC does not cover every scenario — and that gap creates genuine employer liability exposure for every business with staff.

Employers liability insurance is typically purchased alongside public liability and statutory liability as part of a combined business liability package — together providing comprehensive protection against third-party, regulatory, and employee injury claims.

What ACC Does and Doesn't Cover

ACC covers personal injury by accident, including workplace accidents, and some work-related gradual process injuries. However, ACC does not cover:

• Pure stress, burnout, or anxiety conditions without a recognised physical component
• Some forms of occupational disease that fall outside the definition of "work-related gradual process injury"
• Situations where ACC status is disputed — a claim can be declined or appealed, leaving the employee without full compensation
• Common law damages claims in certain circumstances where courts have jurisdiction alongside ACC
• Mental health conditions caused by workplace conditions rather than a specific accident

These gaps are small in volume — most employee injury claims go through ACC — but they can generate significant individual claims that fall entirely outside the ACC scheme.

The Health and Safety at Work Act 2015: A Growing Employer Exposure

The HSWA creates significant duties for New Zealand businesses (as "PCBUs" — persons conducting a business or undertaking). Failures to comply can result in:

• WorkSafe improvement notices requiring immediate corrective action
• Infringement notices with on-the-spot fines
• Prosecution for reckless conduct or failure to comply with a duty

Business officers — directors, senior managers, and anyone in a position to exercise significant influence — can face personal prosecution under the HSWA for failing in their due diligence duties. This personal exposure makes directors and officers liability insurance an important companion to employers liability for companies with governance structures.

Statutory liability insurance covers the investigation and prosecution defence costs arising from WorkSafe matters. Employers liability covers the civil claims that may arise from the same incident.

Employers Liability vs. Employment Disputes Insurance

These two covers are frequently confused but address entirely different exposures:

Employers liability covers bodily injury and illness claims by employees that fall outside ACC — physical and mental health conditions caused by the work environment.

Employment disputes insurance (also called employment practices liability) covers personal grievance claims, wrongful dismissal allegations, and other employment relationship disputes. It covers the Employment Relations Authority and Employment Court proceedings that arise when the employer-employee relationship breaks down.

Both are typically recommended for any business with employees. Most brokers can package them together or include employment disputes as part of a management liability policy.

Which Businesses Carry the Highest Employers Liability Exposure?

Construction and Trades

Construction and trades businesses carry the highest physical injury risk of any sector. Gradual process injuries (hearing damage from machinery, musculoskeletal injury from manual handling), occupational disease (silica dust, chemical exposure), and stress claims in high-pressure site environments all create employers liability exposure beyond ACC's scope.

Manufacturing

Manufacturers face similar physical injury risks — industrial noise, chemical exposure, repetitive strain, and heat stress. A single occupational disease claim — for example, respiratory illness from exposure to inadequately controlled airborne particulates — can generate substantial liability outside ACC.

Healthcare

Healthcare businesses face unique employee risk from occupational infection exposure, workplace violence, and the stress of high-acuity clinical environments. Mental health claims from healthcare workers have increased significantly in recent years.

Office Environments

Even office-based professional services firms face employers liability claims — most commonly from workplace stress, burnout, and mental health conditions linked to work demands. While these claims are less common than in physical industries, they can be equally costly.

Practical Claim Scenarios

Scenario 1 — Occupational disease: A factory worker develops noise-induced hearing loss after 15 years of inadequate ear protection. ACC covers treatment costs, but the worker brings a civil claim for damages beyond ACC entitlements on the basis of employer negligence. Employers liability responds.

Scenario 2 — Mental health: A logistics manager develops a severe anxiety disorder attributed to working conditions — excessive workload, inadequate support, and a toxic team environment. ACC does not cover pure stress conditions. A civil claim follows. Employers liability covers the defence and any damages.

Scenario 3 — Gradual process injury: A nurse develops a chronic back condition from years of patient transfers. ACC covers some costs but the employee alleges inadequate manual handling equipment and training. Employers liability covers the civil proceedings.

How Employers Liability Premiums Are Calculated

Employers liability premiums are influenced by:

• Headcount and payroll: More employees equals more exposure
• Industry risk: Physical industries pay more than office-based businesses
• Claims history: Prior employer claims drive premium increases
• ACC experience rating: A business with a high ACC experience rating signals higher physical risk

For most SMEs, employers liability premiums range from $300 to $2,500 annually — reflecting the relatively narrow scope of claims outside ACC. For manufacturing or construction businesses with larger workforces, premiums can reach $5,000–$15,000.

Getting the Right Package

Employers liability is most effective when purchased alongside public liability and statutory liability as part of a business liability package. A licensed broker can review your workforce, operations, and industry risk profile to recommend appropriate limits and ensure your policy responds to the specific risks your business faces.

Consider also whether you need employment disputes insurance to cover personal grievance claims — ask your broker about combining this into your liability package.

See also: statutory liability insurance, directors & officers insurance, and guidance for construction and trades, manufacturing, and healthcare businesses.