Public Liability Insurance — Who Needs It and What It Covers

If you run a business in the UK — whether you're a sole trader, freelancer, or limited company — you've probably come across the term "public liability insurance" at some point. Maybe a client asked you for it. Maybe you saw it on a form. Maybe a fellow business owner mentioned they'd just renewed theirs.

But what exactly is it? Do you actually need it? And what does it cover if something goes wrong?

In this guide, we'll break down everything you need to know about public liability insurance in plain English — no jargon, no small print waffle, just the practical stuff that matters.

What Is Public Liability Insurance?

Public liability insurance protects you and your business if a member of the public (which includes clients, customers, suppliers, and passers-by) is injured or their property is damaged as a result of your business activities.

If someone makes a claim against you, public liability insurance covers:

• Legal fees — The cost of defending the claim, whether or not it's successful
• Compensation — Any damages you're ordered to pay if the claim succeeds
• Medical costs — Treatment costs related to the injury

For example, imagine you're a self-employed electrician working in a customer's home. You accidentally knock a shelf off the wall, and an expensive vase smashes on the floor. Or, more seriously, a customer trips over your tools and breaks their wrist. Public liability insurance would cover the cost of replacing the vase or compensating the customer for their injury.

It's worth emphasising that public liability insurance covers incidents involving third parties — people who aren't your employees. If you have employees, you'll need employers' liability insurance for workplace injuries (more on that in a moment).

Is Public Liability Insurance a Legal Requirement?

Here's a question we get asked all the time, and the answer might surprise you: for most sole traders and small businesses, public liability insurance is not legally required.

Unlike employers' liability insurance, which is compulsory if you have employees, there's no general legal obligation to carry public liability cover. You could, in theory, operate without it.

That said, just because it's not legally required doesn't mean it's not practically essential. There are several situations where you'll struggle without it:

Client contracts. Many clients — particularly larger companies, government bodies, and property management firms — require you to have public liability insurance before they'll work with you. It's often a condition of the contract, and without it, you simply won't get the work.

Working on other people's premises. If you regularly visit clients' homes or offices, the risk of an accident is real. Even something minor can result in a claim that could cost thousands.

Public-facing work. If members of the public come into contact with your work — at markets, events, exhibitions, or on construction sites — the potential for incidents is higher.

Peace of mind. Without insurance, you'd be personally liable for any claim. For a sole trader, that means your personal assets — savings, home, car — could be at risk. Public liability insurance means you're not gambling everything you own on nothing ever going wrong.

For a broader look at the types of insurance that might be relevant to you, our sole trader insurance guide covers the full range of options.

Who Needs Public Liability Insurance?

While technically anyone can choose not to have it, there are certain types of businesses where public liability insurance is particularly important:

Tradespeople. Builders, plumbers, electricians, decorators, gardeners — anyone who works on or in other people's property. The risk of accidental damage or injury is inherent in the work.

Personal service providers. Hairdressers, beauticians, personal trainers, dog walkers, cleaners — you're in close physical proximity to people and their property.

Event workers. Caterers, photographers, DJs, entertainers, stall holders — events are unpredictable environments.

Retailers. If you have a shop, market stall, or pop-up, customers could slip, trip, or be injured by products.

Office-based consultants and freelancers. The risk is lower, but it's not zero. If a client visits your office and trips over a cable, or you accidentally damage equipment while working at their premises, you'd be glad of cover.

Anyone who works with the public. The clue is in the name. If your business activities bring you into contact with people who aren't your employees, public liability insurance is worth having.

The businesses that can most safely go without tend to be those that work entirely from home, have no client visits, and never interact physically with the public in a business capacity. Even then, many choose to have it anyway — the premiums are usually modest, and the protection is significant.

What Does Public Liability Insurance Cover?

A typical public liability policy covers:

• Personal injury to third parties — If someone is hurt as a result of your business activities
• Damage to third-party property — If you accidentally damage someone else's belongings or premises
• Legal defence costs — The cost of defending a claim, including solicitor fees, court costs, and expert witnesses
• Compensation payments — Any damages awarded against you

Most policies also cover incidents that happen at your business premises, at a client's premises, or at any location where you're carrying out business activities.

What public liability insurance doesn't cover:

• Injuries to your employees — That's what employers' liability insurance is for
• Faulty workmanship or professional advice — That's the domain of professional indemnity insurance
• Your own property or equipment — You'd need separate cover for that
• Criminal acts — Insurance doesn't cover intentional harm or illegal activities
• Product liability — Some policies include this, others don't. If you manufacture or sell products, check whether product liability is included or needs to be added separately

How Much Cover Do You Need?

Public liability insurance is typically available in levels of cover starting from £1 million up to £10 million or more. The level you need depends on your industry, the nature of your work, and what your clients require.

£1 million is a common starting point for low-risk businesses — desk-based freelancers, consultants, and similar. It's often the minimum that satisfies client requirements.

£2 million is frequently requested by clients in industries like cleaning, gardening, and general maintenance.

£5 million is standard for construction, building trades, and other higher-risk industries. Many main contractors require this level from their subcontractors.

£10 million is sometimes requested for large commercial projects or work in high-risk environments.

When in doubt, check what your clients or industry body recommends. It's usually better to have slightly more cover than you think you need — the difference in premium between £1 million and £2 million is often surprisingly small.

How Much Does It Cost?

The cost of public liability insurance varies widely depending on your industry, turnover, number of employees, level of cover, and claims history. However, for many sole traders and small businesses, it's more affordable than you might expect.

As a rough guide:

• Low-risk businesses (consultants, web designers, etc.): from around £40-£80 per year for £1 million cover
• Medium-risk businesses (cleaners, gardeners, mobile hairdressers): from around £80-£200 per year
• Higher-risk businesses (builders, electricians, roofers): from around £150-£500+ per year

These are ballpark figures — your actual premium will depend on your specific circumstances. It's worth getting quotes from several providers and comparing not just the price but the policy terms and excess amounts.

The cost of public liability insurance is, of course, a legitimate business expense that you can claim against your tax bill. If you're using Accounted, Penny will categorise your insurance payments correctly, making sure they're deducted from your profits when it comes to Self Assessment.

Making a Claim

If an incident happens, here's what you should do:

1. Deal with the immediate situation. Make sure anyone injured gets appropriate medical attention. Secure the area if there's a safety risk.
2. Document everything. Take photographs of the scene, the damage, and any relevant conditions (wet floor, damaged paving, etc.). Note the time, date, and circumstances.
3. Get witness details. If anyone saw what happened, record their names and contact information.
4. Don't admit liability. Be sympathetic and helpful, but don't say "it was my fault" or make any promises about compensation. Let your insurer handle the liability question.
5. Report the incident to your insurer promptly. Most policies require you to notify them as soon as possible after an incident, even if no claim has been made yet.
6. Cooperate with the claims process. Your insurer will investigate and handle the claim on your behalf. Provide any documentation they request.

Choosing a Provider

When shopping for public liability insurance, consider:

• The level of cover — Make sure it meets your clients' requirements and is appropriate for your risk level
• The excess — This is the amount you'd pay towards any claim before the insurance kicks in. A higher excess usually means a lower premium, but make sure you could afford it if you needed to
• Policy exclusions — Read the exclusions carefully. Some policies exclude certain types of work, certain locations, or incidents involving specific materials
• Claims process — Check reviews for how the insurer handles claims. A cheap policy is worthless if the insurer makes it impossible to claim
• Bundling options — Many insurers offer packages that combine public liability with other covers (professional indemnity, employers' liability, etc.), which can be more cost-effective than buying separately

For a wider look at the insurance landscape for sole traders, including how different types of cover work together, see our business insurance guide for sole traders.

A Note on Risk Management

Insurance is your safety net, but it's not a substitute for actually managing risks. Simple steps can dramatically reduce your chances of ever needing to make a claim:

• Keep your workspace tidy and free of trip hazards
• Follow proper safety procedures for your industry
• Maintain your equipment in good condition
• Brief clients and visitors about any hazards on your premises
• Keep records of your safety practices — risk assessments, maintenance logs, training records

Not only does good risk management reduce the likelihood of incidents, but it can also help keep your insurance premiums down. Insurers look favourably on businesses that take safety seriously.

For more on managing health and safety as a sole trader, have a look at our guide on health and safety for sole traders.

Related reading:

• Sole Trader Insurance Guide
• Business Insurance Guide for Sole Traders
• Health and Safety for Sole Traders

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