These two get confused constantly, and it's an easy mix-up to make since both are liability covers aimed at protecting a business from claims. But they protect against genuinely different things, and plenty of businesses end up needing both rather than one or the other.
Quick test: if the claim involves someone being physically hurt or something being physically damaged, that's public liability. If the claim involves someone losing money because of your advice, work, or a mistake in what you delivered, that's professional indemnity.
Imagine an architect visiting a client's site. If they trip over their own equipment and injure a client, that's a public liability claim. If a building they designed later turns out to have a structural flaw that costs the client money to fix, that's a professional indemnity claim, even though no one was physically hurt. Same architect, two completely different types of claim, two different covers needed.
Trades that work with tools, on-site, or around members of the public, builders, electricians, hairdressers, caterers, lean heavily on public liability. Trades that give advice, designs, or professional services, consultants, accountants, architects, IT contractors, designers, need professional indemnity, because their main risk is a client claiming their advice or work cost them money, not a physical accident.
Plenty of businesses genuinely need both. A shopfitter who both designs a layout (advice/professional service) and physically builds it (on-site risk) is a common example of a business exposed on both fronts.
Not by general law in most trades, but it's often mandatory in practice: many professional bodies require members to hold it, and many clients and contracts will insist on proof of cover before agreeing to work with you, particularly for consultants, architects, and financial or legal services.
Yes, some insurers offer combined public liability and professional indemnity policies, which can be more convenient and sometimes cheaper than buying them as two separate policies, particularly if your business genuinely needs both. It's worth getting a quote for combined cover alongside separate quotes to compare.
No. Public liability covers physical injury or property damage caused by your business, while professional indemnity covers financial loss a client suffers because of your advice or professional work.
Many businesses do, particularly those that both give professional advice and carry out physical, on-site work. It depends on the specific risks your business is exposed to.
Businesses that give advice, designs, or professional services, such as consultants, architects, accountants, and IT contractors, since their main risk is a client claiming their work caused financial loss.
Not by general law for most trades, but many professional bodies require it for membership, and many clients or contracts require proof of cover before agreeing to work with you.
Yes, some insurers offer both as a combined policy, which can be more convenient and sometimes cheaper than buying them separately if your business needs both.
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See My Cover Options →This independent CoverMatch guide is based on publicly available information, market commentary and general insurance principles available at the time of writing. It is general information only, not personal advice. Policy wording, pricing and insurer appetite can change, so compare current quotes and check the policy documents before buying cover.