Business insurance isn't one product — it's a set of separate covers, each responding to a different kind of risk. Getting it right means understanding which of these your business actually needs, rather than buying a generic "business insurance" bundle and hoping it fits.
Many sole traders assume that because they're unincorporated, their personal risk is somehow lower. It isn't — a client can still sue you personally for a mistake or an injury on your premises, and without cover, that liability falls entirely on you.
The Core Types of Business Cover
Public liability insurance covers claims from members of the public — a customer, a client, a passer-by — for injury or property damage caused by your business. If someone trips over your equipment or a client's laptop is damaged during a site visit, this is the cover that responds.
Professional indemnity insurance covers claims that your advice, design or professional service caused a client a financial loss — negligence, errors, omissions or missed deadlines. This matters most for anyone whose work involves advice, judgement or a deliverable a client relies on: consultants, designers, IT contractors, accountants.
Employers' liability insurance is the one genuinely compulsory cover — required by law from the moment you employ anyone, even part-time or casual staff, at a legal minimum of £5 million. Operating without it when required can result in a fine.
Product liability insurance covers claims arising from a product you manufacture, supply or sell causing injury or damage — relevant to retailers, manufacturers and anyone selling physical goods.
Business interruption insurance covers lost income if your business can't trade due to an insured event — a fire, a flood, or another event covered under your policy — helping cover fixed costs while you get back up and running.
Which Cover Does Your Business Actually Need?
| Business Type | Core Cover Needed | Often Also Needed |
|---|---|---|
| Sole trader consultant/adviser | Professional indemnity | Public liability, cyber cover |
| Tradesperson (plumber, electrician) | Public liability, tools cover | Employers' liability if hiring |
| Retail shop | Public liability, product liability | Business interruption, stock cover |
| Creative freelancer | Professional indemnity, equipment cover | Public liability for on-location work |
| Business with employees | Employers' liability (compulsory) | All of the above, as relevant |
What Determines the Cost?
Premiums vary by trade risk profile, turnover, claims history, and the limit of cover you choose. A sole trader with a low-risk service business and modest turnover will typically pay far less than a contractor working on-site with higher public liability exposure. The only reliable way to know your actual cost is to review quotes against your specific circumstances — generic averages are rarely useful for planning a real budget.
Some professional bodies set their own minimum cover requirements — for example, financial advisers and mortgage brokers fall under the FCA's MIPRU rules requiring at least €1.25 million per claim and €1.85 million in aggregate. Always check whether your trade has a specific regulatory minimum before assuming a generic policy limit is sufficient.
What Happens If You Don't Have Cover
Without the right insurance, any claim — however small it starts out — comes directly out of your own pocket, including the cost of defending yourself even where you've done nothing wrong. Legal defence costs alone can run into the tens of thousands before a claim is even settled. For a sole trader, this can mean personal assets are at risk, since there's no corporate structure separating business and personal liability the way there might be for a limited company.
How to Choose the Right Policy
- Match cover to your actual work, not your job title — two people with the same title can face very different risks depending on whether they work on client premises, handle client data, or manage staff
- Check for a claims-made vs occurrence basis on professional indemnity — this affects whether cover follows you if you switch insurer or stop trading
- Confirm any professional body minimums apply to your trade, and make sure your limit meets or exceeds them
- Don't assume bundled "business insurance" packages cover everything — read what's actually included rather than the marketing name of the product
- Review cover annually as your turnover, client base or working practices change — a policy that fit your risk two years ago may no longer be adequate
Explore Business Insurance by Trade
Cover varies significantly by industry — find guidance built around your specific trade.
Browse Business Insurance by Industry →Frequently Asked Questions
Is business insurance a legal requirement in the UK?
Only employers' liability insurance is a strict legal requirement, and only once you employ staff — the minimum is £5 million cover, and operating without it when required can result in a fine. Public liability and professional indemnity aren't legally mandatory in most trades, but many clients, venues and professional bodies require proof of cover before they'll work with you.
How much does UK business insurance typically cost?
It varies enormously by trade, turnover and cover limit — a sole-trader consultant with £1m professional indemnity might pay a few hundred pounds a year, while a construction contractor with high public liability limits and employers' liability could pay considerably more. The only reliable way to know is to review quotes for your specific trade and turnover.
Can I get business insurance as a sole trader?
Yes — sole traders can buy exactly the same types of cover as limited companies: public liability, professional indemnity, employers' liability (if you have staff), and tools or equipment cover. Being unincorporated doesn't reduce your personal risk if something goes wrong, so cover matters just as much, if not more.