Business Liability Insurance Companies UK | Compare
What is business liability insurance?
Business liability insurance is the family of policies that protect your business when it is held responsible for harm to someone else — an injured customer, an employee hurt at work, a faulty product, or a client who relied on your advice and lost money. It does not protect your own property (that is what commercial property cover is for); it protects you against the claims, legal costs and compensation that come from third parties. For most UK businesses it is the single most important insurance they hold, because a single liability claim can dwarf the value of everything the business owns.
The phrase "business liability insurance" is an umbrella, not a single product. Underneath it sit four distinct covers — Public Liability, Employers' Liability, Product Liability and Professional Indemnity — each answering a different risk. One of them is a legal requirement, two are demanded by contracts, and one is essential for anyone who gives advice or designs. Knowing which you need, at what limit, is what this guide is for. Miller & Partner approaches every placement through The Insurability Framework™ — a structured method covering underwriter intelligence, difficult-risk expertise, risk assessment and claims advocacy — and you will see that thinking applied to each cover below.
This is the umbrella guide to the whole subject. Where you need depth on a specific cover — comparing providers, the quote process, or getting cover when you have been declined — we link to our detailed guides at each point, and you will find the full set in the related guides at the end.
Key facts about business liability insurance at a glance
- "Business liability insurance" is an umbrella for four covers: Public Liability, Employers' Liability, Product Liability and Professional Indemnity.
- Employers' Liability is a legal requirement for most employers under the 1969 Act — minimum £5 million, with fines of up to £2,500 for each day uninsured.
- Public Liability is not compulsory by law but is demanded by most clients, landlords and contracts, typically at £1m–£5m.
- Product Liability is strict under the Consumer Protection Act 1987 — you can be liable for a defective product without being negligent.
- Professional Indemnity covers claims of negligent advice, design or services and is often mandatory for regulated professions.
- Liability premiums carry Insurance Premium Tax at the standard 12%, included in the price and not reclaimable like VAT.
- Commercial cover is governed by the duty of fair presentation (Insurance Act 2015) — disclose everything material or risk a reduced payout.
What are the four main types of business liability insurance?
Almost every liability question a business owner has comes down to identifying which of these four covers applies. They are not interchangeable, and most businesses need a combination:
- Public Liability (PL) — covers injury to members of the public or damage to their property caused by your business activities.
- Employers' Liability (EL) — covers claims from your own employees who are injured or made ill through their work. Legally compulsory for most employers.
- Product Liability — covers harm caused by a product you have supplied, manufactured or sold once it is in the customer's hands.
- Professional Indemnity (PI) — covers claims that your advice, design or professional service was negligent and caused a client financial loss.
A retailer with staff typically needs PL + EL (and Product if they sell goods). A consultant needs PI + PL. A manufacturer needs all four. The rest of this guide takes each in turn, then a tool helps you map them to your own business.
How do the main liability covers compare side by side?
| Cover | Protects against | Who claims | Legally required? |
|---|---|---|---|
| Public Liability | Injury / property damage to the public | Customers, visitors, public | No (but usually contractual) |
| Employers' Liability | Work-related injury / illness to staff | Your employees | Yes (1969 Act) |
| Product Liability | Harm from a defective product | Anyone harmed by the product | No (but strict liability applies) |
| Professional Indemnity | Negligent advice, design or service | Clients | Often required by regulators/contracts |
The "legally required" column is where businesses get caught out: only EL is required by statute, but PL, Product and PI are so frequently demanded by contracts, regulators and clients that treating them as optional is a fast route to losing work — or being uninsured for the claim that matters most.
The conversation I have most often starts with "I've got liability insurance" — and the hard part is explaining that this tells me almost nothing. Liability insurance for what? At what limit? I've seen a consultancy with strong public liability and no professional indemnity, when 99% of their real exposure was advice. I've seen a manufacturer with great public liability whose product cover had a limit a tenth of the size. "I have liability cover" is a feeling; the four named covers, at the right limits, are the reality. Naming them precisely is the whole job.
Why is Employers' Liability a legal requirement?
If your business employs anyone — including casual, part-time, temporary and many labour-only sub-contractors — the Employers' Liability (Compulsory Insurance) Act 1969 requires you to hold Employers' Liability cover with a minimum limit of £5 million (most insurers provide £10 million as standard). It is one of the very few business insurances that is a legal obligation, not a commercial choice, because it exists to guarantee that an injured worker can actually be compensated.
The Health and Safety Executive enforces it. Trading without valid EL cover can attract a penalty of up to £2,500 for each day you are uninsured, and a further fine for failing to display or make available the certificate. The practical point for this guide: if your business has staff, EL is not part of the "should I?" conversation — it is a baseline, and any liability arrangement that omits it is non-compliant.
What does Public Liability insurance actually cover?
Public Liability covers your legal liability for injury to a third party or damage to their property arising from your business. The classic examples are a customer slipping in your shop, a member of the public tripping over your equipment, or your work causing damage to a client's premises. It pays the compensation and — just as importantly — the legal defence costs, which can be substantial even when a claim ultimately fails.
It is not compulsory by statute, but it is effectively mandatory in practice: most commercial contracts, landlords, local authorities and larger clients require evidence of PL cover, usually at £1 million, £2 million or £5 million depending on the work. For trades and contractors especially, no certificate often means no contract. Higher-risk trades — roofing, asbestos, hot works and similar — are routinely loaded or declined by standard insurers, which is its own specialist exercise: see our guide to high-risk public liability insurance. Our guides on tradesman liability insurance and comparing the best public liability insurers go deeper for those situations.
When do you need Product Liability insurance?
If your business makes, supplies, repairs or sells physical products, Product Liability covers you when one of those products causes injury or damage after it leaves your hands. The crucial feature is that liability is strict under the Consumer Protection Act 1987: a claimant does not have to prove you were negligent, only that the product was defective and caused harm. That makes Product Liability one of the most underestimated exposures — even a business that simply resells or imports goods can be on the hook.
Product claims also have a long tail: a defect can surface, and a claim arrive, years after the sale. Manufacturers, importers, food businesses and anyone putting their own brand on a product should treat product cover at an adequate limit as a core part of their liability programme, not an add-on.
Who needs Professional Indemnity insurance?
Professional Indemnity (PI) covers claims that your professional advice, design, or service was negligent and caused a client a financial loss. If your business sells knowledge, judgement or expertise — consultants, designers, architects, surveyors, accountants, IT and tech firms, marketing agencies — PI is usually your single largest exposure, because the damages claimed can far exceed any fee you earned. For many regulated professions it is mandatory.
PI is almost always written on a claims-made basis, meaning the policy that responds is the one in force when the claim is made, not when the work was done. That makes continuity of cover and the retroactive date critical — gaps are dangerous. See our dedicated professional indemnity page, and for data-driven businesses, cyber insurance increasingly sits alongside PI to cover what PI alone does not.
Interactive · Liability Cover Checker
Which liability covers does your business type need?
Pick a business type to see which of the four liability covers apply and how each is prioritised. Tags show what is legally required, essential, recommended or worth considering. This is a general guide to spot gaps, not advice on your own placement.
Tradesperson / contractor
Shop / retailer
Consultant / advisor
Café / hospitality
Manufacturer
Tech / online business
How much does business liability insurance cost?
There is no flat price for business liability insurance because the premium is built from your specific risk. The big drivers are your trade, your turnover, your wage roll and staff numbers, your claims history, the cover limits you choose, and your location. A low-risk sole trader's public liability might cost a modest annual figure, while a manufacturer needing all four covers at high limits will pay substantially more — and rightly so, because the exposure is greater.
The most useful thing to understand is that the price reflects how the insurer sees your risk, which means a better-presented, well-managed business earns a lower premium without cutting cover. For typical ranges and the levers that move them, see our guides to small business insurance prices and how a commercial insurance quote is priced. Remember that the standard 12% Insurance Premium Tax is included in the figure and, unlike VAT, cannot be reclaimed.
A cheaper liability quote often wins by reducing the limit, narrowing the business description, or raising the excess — savings that become uninsured losses at claim time. Always line the limits and exclusions up side by side. Our guide to getting a business insurance quote shows how.
Interactive · Liability Gap Check
Where are the common gaps in liability cover?
Tick each item once you have confirmed it. A red box is an unchecked gap; a green tick means you have verified it. These are the eight gaps that most often leave a business exposed.
- Employers' Liability in place if you have any staff. Including casual and labour-only sub-contractors.
- Public Liability limit meets your biggest contract. Check what each client and landlord demands.
- Product Liability included if you supply goods. Strict liability applies even to resellers.
- Professional Indemnity if you advise or design. The most commonly missed cover for service firms.
- PI cover is continuous with the right retroactive date. Claims-made gaps leave past work uninsured.
- Business description covers every activity. A narrowed description puts work outside cover.
- All material facts disclosed. Claims, convictions, side activities, refusals.
- Sub-limits checked against headline limits. A £5m policy can cap a key cover far lower.
Interactive · Liability Exposure Snapshot
How much liability exposure does your business carry?
Choose your situation for a quick indication of how much liability exposure you carry and where to focus your cover.
What does the law require of your business liability cover?
Three legal frameworks shape almost every business liability policy in the UK, and understanding them turns "I think I'm covered" into "I know I'm covered."
Employers' Liability and the 1969 Act
The Employers' Liability (Compulsory Insurance) Act 1969 makes EL cover compulsory for most employers, at a minimum of £5 million. The HSE enforces it and can penalise an uninsured employer up to £2,500 for each day without valid cover. There are narrow exemptions — for example some family businesses and certain limited companies where the only employee is also the owner — but they are easy to misread, so check rather than assume.
Product Liability and strict liability
Under the Consumer Protection Act 1987, liability for a defective product is strict: an injured person does not need to prove negligence, only that the product was defective and caused harm. Liability can attach to manufacturers, own-branders, importers and, in some cases, suppliers who cannot identify who supplied them. This is why even a business that only resells goods should carry product cover.
The duty of fair presentation
For commercial (non-consumer) insurance, the Insurance Act 2015 requires a fair presentation of the risk — disclosing every material circumstance you know or ought to know, clearly. It is not enough to answer only the questions asked. A careless failure gives the insurer a proportionate remedy that can reduce a liability claim; a deliberate or reckless one can void the policy. Accurate disclosure when you arrange cover is what makes the eventual claim payment safe.
Occurrence vs claims-made — why the trigger matters
Public and Employers' Liability are usually written on an occurrence basis: the policy in force when the incident happened responds, even if the claim arrives years later. Professional Indemnity is usually claims-made: the policy in force when the claim is made responds, regardless of when the work was done. That single difference is why continuous PI cover and the correct retroactive date are critical — let PI lapse and past work can become uninsured.
What drives the cost of business liability insurance?
These are the levers an underwriter uses to build your liability premium. The third column matters most: nearly every factor can be influenced, which is how a well-presented business earns a lower premium without cutting cover.
| Rating factor | Why it moves the premium | How to mitigate it |
|---|---|---|
| Trade / activity | Sets the base hazard — roofing or asbestos work rates far higher than office consultancy. | Describe accurately; never over-broad, never narrowed to hide work. |
| Annual turnover | Proxy for the volume and size of potential third-party claims. | Declare honestly; split distinct activities so each is rated fairly. |
| Wage roll & staff numbers | Drives Employers' Liability exposure directly. | Keep accurate records; include sub-contractors who count as employees. |
| Claims history | Past frequency and severity predict future losses; open claims weigh heavily. | Provide context and evidence of remedial action. |
| Limit of indemnity | Higher PL/EL/PI/product limits increase the insurer's maximum exposure. | Match limits to your contracts — adequate, not excessive. |
| Public contact / footfall | More interaction with the public raises injury frequency. | Document safety procedures, signage and incident logs. |
| Type of products | Higher-risk products (consumed, worn, safety-critical) raise product cover cost. | Evidence quality control, testing and supplier vetting. |
| Professional discipline | Some PI fields (construction design, financial advice) carry heavier claim risk. | Show qualifications, processes, contracts and disclaimers. |
| Sub-contractor use | Work done by others can expose you to vicarious liability. | Require their own cover; keep certificates and written terms. |
| Location / premises | Reflects local risk and the hazards of your working environment. | Maintain premises; provide risk assessments. |
| Excess level | A higher voluntary excess transfers small-claim cost to you, lowering premium. | Set an excess you can comfortably fund on each claim. |
| Risk management evidence | Documented procedures reduce the underwriter's uncertainty. | Supply risk assessments, training records and method statements. |
What do real liability claims teach us about getting the cover right?
Three anonymised but representative claims show how a single decision about cover — the type, the limit, the continuity — decided whether the business survived the claim.
Brecon Tiling — the slip that became a six-figure claim
A tiling contractor left tools and a trailing cable across a domestic hallway during a job. The homeowner's elderly mother tripped, fractured a hip, and developed complications. The injury claim, plus the contractor's legal defence costs, ran well into six figures — exactly the scenario Public Liability exists for.
Vale Joinery Ltd — the uninsured day
A joinery firm let its policy lapse for eleven days during a broker switch, believing "nothing ever happens." On day six, an apprentice suffered a serious hand injury on a saw. With no EL cover in force at the moment of the accident, the firm faced the employee's claim directly — and a separate HSE penalty for trading uninsured.
Tirion Consulting — the advice gap
A management consultancy carried strong Public Liability but had never bought Professional Indemnity, reasoning that "we don't make anything." A client acted on the consultancy's market-entry advice, the project failed, and the client alleged the advice was negligent and claimed its losses. PL does not respond to negligent advice — only PI does — so there was no cover.
How should you handle a business liability claim, step by step?
A liability claim is where the cover is tested. Handling it well protects both your settlement and your future insurability. Follow these eight steps.
-
Make people safe and record the scene
Attend to anyone injured first, then photograph the location, conditions and anything involved before it is moved or cleared.
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Notify your broker or insurer immediately
Report any incident that might lead to a claim without delay — liability policies require prompt notification, and late reporting can prejudice cover.
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Do not admit liability
Be courteous and factual, but never accept blame or promise payment. Admitting liability can breach your policy and undermine the insurer's defence.
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Preserve all evidence
Keep risk assessments, training records, maintenance logs, CCTV, accident-book entries and witness details — these often decide a liability claim.
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Report to the authorities where required
Certain workplace injuries must be reported to the HSE under RIDDOR; obtain a crime reference where relevant.
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Pass on any correspondence unanswered
Forward letters of claim, solicitor letters and court documents to your insurer straight away — do not respond to them yourself.
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Cooperate with the insurer's investigation
Work with the appointed adjuster or solicitor and provide what they ask for promptly; the insurer controls the defence under the policy.
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Review cover and limits afterwards
After a claim, reassess your limits, the covers you hold and your risk management so the same exposure is fully protected next time.
John Miller
Director & Principal Broker — Miller & Partner
John has spent 13+ years arranging business liability insurance for UK firms of every size, with direct access to the Lloyd's Market and specialist MGA schemes. A former #1 Account Executive at Brown & Brown and #1 Salesperson at AXA, he spends much of his week doing exactly what this guide describes — pinning down which of the four liability covers a business actually needs, at what limits, and closing the gaps that "I've got liability insurance" so often hides.
Business liability insurance glossary
- Public Liability (PL)
- Cover for your legal liability for injury to a third party or damage to their property caused by your business.
- Employers' Liability (EL)
- Compulsory cover for claims by your own employees injured or made ill through their work; minimum £5m.
- Product Liability
- Cover for harm caused by a defective product you supplied, manufactured or sold; strict liability applies.
- Professional Indemnity (PI)
- Cover for claims that your advice, design or professional service was negligent and caused a client financial loss.
- Third party
- Anyone outside your business who suffers harm — a customer, visitor, member of the public or client.
- Limit of indemnity
- The maximum the insurer will pay under a liability section, often set at a level your contracts require.
- Occurrence basis
- Cover triggered by when the incident happened; the policy then in force responds. Usual for PL and EL.
- Claims-made basis
- Cover triggered by when the claim is made; the current policy responds. Usual for PI.
- Retroactive date
- On a claims-made policy, the date from which past work is covered; earlier work is excluded.
- Strict liability
- Liability that applies without needing to prove negligence — as under the Consumer Protection Act 1987 for products.
- Vicarious liability
- Your responsibility for the acts of employees, and sometimes sub-contractors, carried out for your business.
- Duty of fair presentation
- The legal duty under the Insurance Act 2015 to disclose all material circumstances when arranging commercial cover.
- Excess
- The first part of any claim you pay yourself; a higher excess lowers the premium.
- Insurance Premium Tax (IPT)
- Government tax on most general insurance, standard rate 12%, included in the price and not reclaimable by a business.
- Indemnity
- The principle of restoring you to the financial position you were in before the loss — no better, no worse.
Business liability insurance — frequently asked questions
What is business liability insurance?
It is the family of policies that protect your business when it is held legally responsible for harm to a third party — an injured customer, an employee hurt at work, a faulty product, or a client who lost money relying on your advice. The four main covers are Public Liability, Employers' Liability, Product Liability and Professional Indemnity.
Is business liability insurance a legal requirement?
Only Employers' Liability is required by law, for most businesses with staff, under the 1969 Act at a minimum of £5 million. Public Liability, Product Liability and Professional Indemnity are not compulsory by statute, but are so often required by contracts, regulators and clients that they are effectively essential for most businesses.
What is the difference between public and employers' liability?
Public Liability covers injury or property damage to third parties such as customers and members of the public. Employers' Liability covers claims from your own employees who are injured or made ill through their work. They protect different groups, and most businesses with staff and public contact need both.
Do I need product liability insurance if I only resell goods?
Usually yes. Under the Consumer Protection Act 1987 liability for a defective product is strict, and can attach to suppliers and importers, not just manufacturers. If you put goods into the hands of customers, product cover protects you against claims even where you did nothing wrong yourself.
Who needs professional indemnity insurance?
Any business that sells advice, design, expertise or a professional service — consultants, designers, architects, surveyors, accountants, IT and tech firms and agencies. For service businesses it is usually the largest exposure, because claimed losses can far exceed the fee earned, and it is mandatory for many regulated professions.
How much liability cover do I need?
Employers' Liability has a £5 million legal minimum (£10 million is standard). Public Liability is typically £1m, £2m or £5m depending on what your contracts and clients require. Professional Indemnity and product limits depend on the scale of loss a claim could cause. Match limits to your real exposure and contractual requirements rather than picking the lowest.
How much does business liability insurance cost?
There is no flat price — the premium is built from your trade, turnover, wage roll, claims history, the limits you choose and your location. A low-risk sole trader pays modestly; a manufacturer needing all four covers at high limits pays more. A well-presented, well-managed business earns a lower premium without cutting cover, and the standard 12% IPT is included in the figure.
What is the difference between occurrence and claims-made cover?
Occurrence cover (usual for Public and Employers' Liability) is triggered by when the incident happened, so the policy then in force responds even years later. Claims-made cover (usual for Professional Indemnity) is triggered by when the claim is made, so the current policy responds. With claims-made cover, continuous insurance and the correct retroactive date are essential.
Does "I have liability insurance" mean I'm fully covered?
Not necessarily. "Liability insurance" is an umbrella — what matters is which of the four covers you hold, at what limits, and whether they match your real risk. A common and costly mistake is holding strong Public Liability but no Professional Indemnity when advice is the main exposure. Name the covers you actually have, and check them against what you do.
Do I have to disclose everything when arranging liability cover?
For commercial insurance, yes. The Insurance Act 2015 requires a fair presentation of the risk — disclosing every material circumstance you know or ought to know, clearly, not just answering the questions asked. A failure can give the insurer a proportionate remedy that reduces a future claim, or in serious cases voids the policy.
Can I get liability cover if I've been declined or have claims?
Yes. A previous declinature or claims history makes a risk non-standard, not uninsurable. Miller & Partner approaches every placement through The Insurability Framework — covering underwriter intelligence, difficult-risk expertise, risk assessment and claims advocacy — and uses specialist Lloyd's and MGA markets to place risks the standard engines decline. See our guide on insuring with a claims history.
Should I buy liability covers separately or as one policy?
Most businesses combine the liability covers they need into a single commercial or combined policy, which is simpler to manage and often better value. The key is making sure every cover you need is present at an adequate limit. A broker can package them correctly and check there are no gaps between sections.
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