What Insurance Does a Small Business Need in the UK?

Quick Answer

Most UK small businesses need at least three types of insurance: Employers Liability (legally required if you have any staff), Public Liability (essential if you deal with clients or the public), and Professional Indemnity (vital if you provide advice or professional services). Beyond these core three, the right cover depends on your industry, whether you have premises, and what contractual obligations you have with clients. This guide walks through everything you need and more.

Starting or running a small business in the UK is genuinely exciting. But one question that comes up for almost every business owner, usually sooner than expected, is this: what insurance do I actually need?

It is a fair question, and not always an easy one to answer. The insurance market can feel confusing, full of jargon, and difficult to navigate on your own. Some types of cover are legally required. Others are contractually demanded by clients. And some are simply good sense if you want to protect the business you have worked hard to build.

This guide cuts through the noise. We have been helping UK small businesses find the right insurance cover for over 30 years at Artemis Insurance Brokers, and this is the honest, practical advice we give to our clients every single day. Whether you are a sole trader, a limited company with a small team, or a growing SME, here is what you need to know.

The Core Three: What Most Small Businesses in the UK Need

While every business is different, there are three types of insurance that come up again and again for small UK businesses. Think of these as your starting point before layering in anything sector-specific.

1. Employers Liability Insurance

If your small business employs anyone, even one person on a part-time or zero-hours contract, Employers Liability Insurance is a legal requirement in the UK. The law is set out in the Employers Liability (Compulsory Insurance) Act 1969, and the Health and Safety Executive (HSE) enforces it strictly.

The policy pays out if an employee suffers an injury or illness that is connected to their work, and then brings a compensation claim against you. The minimum legal level of cover is £5 million, though the vast majority of standard policies provide £10 million automatically.

The HSE can fine your business up to £2,500 for every single day you operate without valid Employers Liability cover. You are also legally required to display your certificate where employees can see it, or make it available digitally.

Worth Knowing: If you use subcontractors or freelancers, check your policy carefully. In some circumstances, they may also need to be covered under your Employers Liability policy depending on the nature of the working arrangement.

2. Public Liability Insurance

Public Liability Insurance is not required by law for most businesses, but in practice it is essential for the vast majority of UK small businesses that have any contact with the public, clients, or third parties.

This cover protects you if a member of the public, a customer, or a visitor to your premises is injured or has their property damaged because of something connected to your business. A customer trips on a loose cable at your office, a tradesperson accidentally damages a client's flooring, a visitor injures themselves at your pop-up stall. Public Liability covers the legal costs and any compensation that follows.

Many clients, particularly in the public sector and within larger organisations, will not award a contract to a business that cannot provide proof of Public Liability Insurance. It is also typically required by landlords, event venues, and market organisers. Cover levels for small businesses typically start at £2 million and can go up to £5 million, £10 million, or beyond for higher-risk operations.

3. Professional Indemnity Insurance

If your small business gives advice, provides professional services, or produces work that clients rely on, Professional Indemnity Insurance is not optional. It is the cover that protects you when a client claims your advice, your design, your report, your code, or your recommendations caused them a financial loss.

Even the most careful, experienced professionals can face a claim. A consultant gives advice that a client acts on with poor results. A designer delivers a logo that turns out to infringe an existing trademark. A marketing agency runs a campaign that fails to meet agreed targets and the client seeks compensation. Professional Indemnity Insurance can cover your legal defence costs and any resulting damages.

For some professions in the UK, it is mandatory rather than optional. Solicitors must hold PI insurance as a condition of their SRA authorisation. Architects require it under ARB rules. Financial advisers and IFAs must hold it as part of their FCA authorisation. But even if it is not a regulatory requirement in your sector, it is strongly advisable for any business providing services to clients.

At a Glance: Essential Small Business Insurance in the UK

Insurance Type	Who Needs It	Legally Required?
Employers Liability	Any business with employees	Yes, if you have staff
Public Liability	Businesses dealing with clients or the public	Not by law, but often contractually
Professional Indemnity	Any business providing advice or services	For some regulated professions only
Commercial Property	Businesses with premises, equipment, or stock	No, but financially essential
Business Interruption	Any business reliant on trading from a specific location	No
Cyber Insurance	Any business holding customer or personal data	No, but increasingly critical
Product Liability	Businesses that manufacture, sell, or supply goods	No
Commercial Vehicle	Businesses using vehicles for work purposes	Yes, for any vehicle on public roads

Beyond the Core Three: What Else Might Your Small Business Need?

Once you have covered the basics, the next step is thinking about your specific business situation. These are the additional types of cover that come up most often for UK small businesses, depending on what you do and how you operate.

Commercial Property Insurance

If your small business has physical premises, equipment, stock, or fixtures that belong to you, commercial property insurance covers them against events such as fire, flood, theft, and vandalism. If you rent your office or premises, your landlord's building insurance almost certainly does not cover your business contents. You need your own policy.

Even home-based businesses need to check this carefully. Standard home insurance policies typically exclude business equipment and business use. If you work from home and have a laptop, specialist equipment, or business stock, you need specific cover for those items.

Business Interruption Insurance

Business interruption cover pays out when an insured event, such as a fire, flood, or major incident at your premises, forces you to stop trading temporarily. It replaces the income you would have earned during that period and can also cover ongoing fixed costs like rent, staff salaries, and loan repayments.

Cyber Insurance

Cyber insurance has moved from being a nice-to-have to being a near-essential cover for small businesses that hold any customer data, run an e-commerce operation, or rely on digital systems. According to the UK government's Cyber Security Breaches Survey 2024, 50% of UK businesses experienced a cyber security incident in the preceding 12 months, with small businesses just as likely to be targeted as larger organisations.

A cyber attack can result in significant costs: notifying affected customers, regulatory investigations by the ICO, restoring corrupted systems and data, and loss of business income during the recovery period. Cyber insurance is designed to cover these costs. Many small business owners are surprised to find how affordable a basic cyber policy can be relative to the risk it covers.

Product Liability Insurance

If your small business manufactures, imports, sells, or distributes physical goods, product liability insurance covers you against claims arising from injury or property damage caused by those goods. This applies even if you did not make the product yourself. If you import goods from overseas and sell them in the UK, you may be treated as the manufacturer in the eyes of UK product liability law.

Tools and Equipment Insurance

For tradespeople, contractors, and any small business that relies on specialist tools or equipment, tools and equipment insurance covers the cost of replacing or repairing items that are stolen, damaged, or lost. This is distinct from commercial property insurance in that it typically covers tools both at your premises and when they are being transported or used on site.

Terrorism Insurance

Most standard business insurance policies do not automatically cover losses caused by acts of terrorism. For small businesses operating in busy commercial areas, city centres, or high-footfall locations, this can leave a meaningful gap in their cover. Terrorism insurance protects your business against property damage, business interruption, and financial losses that result directly from a terrorist incident. It is worth reviewing whether your existing policy includes or excludes terrorism cover, and discussing with your broker whether a standalone terrorism extension is appropriate for your specific premises and risk exposure.

What Insurance Does Your Type of Small Business Need?

The honest answer to the question of what insurance a small business needs in the UK depends significantly on what your business actually does. Here is a quick reference guide for some of the most common small business types.

Business Type	Key Insurance Types to Consider
Consultant or Freelancer	Professional Indemnity, Public Liability, Cyber Insurance if handling client data
Retailer (shop or online)	Public Liability, Product Liability, Commercial Property, Employers Liability (if staff), Cyber
Contractor or Tradesperson	Public Liability, Employers Liability, Tools Cover, Contractors All Risks
Creative or Marketing Agency	Professional Indemnity, Public Liability, Employers Liability, Cyber Insurance
Restaurant or Cafe	Public Liability, Employers Liability, Commercial Property, Business Interruption, Product Liability
IT or Technology Company	Professional Indemnity, Cyber Insurance, Employers Liability, Public Liability
Personal Trainer or Gym Owner	Public Liability, Professional Indemnity, Employers Liability, Equipment Cover

How Much Does Small Business Insurance Cost in the UK?

Cost is almost always the first question small business owners ask, and it is a fair one. The honest answer is that there is no single figure that applies to every business, and any broker or comparison site that quotes you a number without understanding your specific situation is guessing.

What we can tell you is what drives the cost, because understanding the factors behind your premiums helps you make a better decision about your cover.

The main things that affect the price of small business insurance in the UK are your industry and the type of work you do, your annual turnover, the number of people you employ, the level of cover and indemnity limits you choose, your claims history over the previous five years, and whether your business handles sensitive data or has specific contractual obligations from clients.

A sole trader in a lower-risk service industry will pay considerably less than a small business in a higher-risk sector with staff and physical premises. A company working with large enterprise clients that require minimum indemnity limits of £5 million or more will pay more than one whose clients have no such requirements. The gap between the cheapest and the most appropriate policy for your business can be significant, and the cheapest policy is rarely the best value when the excess is high or the cover is narrow.

The most accurate way to understand what your small business insurance will cost is to speak with an independent broker who can look at your specific situation, compare the market properly, and give you a figure that is actually meaningful. That is exactly what we do.

Call 020 8619 5000 or email info@artemisltd.co.uk for a no-obligation quote tailored to your business. Our advisers will take the time to understand what you do and find cover that works for you, not just the lowest sticker price.

Do I Need Business Insurance as a Sole Trader?

This is one of the most frequently asked questions we receive, and the answer has some nuance to it.

As a sole trader, you are not legally required to hold business insurance unless you employ people, in which case Employers Liability Insurance becomes compulsory. There is no blanket legal obligation forcing sole traders to take out any other type of cover.

However, the financial exposure of operating as a sole trader without insurance is considerably greater than for a limited company. As a sole trader, you are personally liable for any claims against your business. There is no corporate veil between you and your business. A claim from a client or a member of the public does not just affect your business  it affects you personally. Your personal savings, your property, and your personal financial security are all potentially at risk.

Most sole traders who deal with clients, provide advice, or work in a public-facing environment should seriously consider at minimum Public Liability and Professional Indemnity cover. Many clients, particularly larger organisations, will also require proof of insurance before they will engage you. The cost of cover for a sole trader is generally modest, and the protection it provides is substantial.

Three Mistakes Small Businesses Make with Insurance

Assuming Generic Off-the-Shelf Cover Is Enough

Online comparison sites and direct insurers offer standardised small business insurance packages that are designed for the broadest possible audience. If your business has any specific characteristics, whether that is specialist activities, high-value contracts, regulated services, or unusual risk exposures, a generic policy may simply not provide the cover you need. It is worth getting advice from a specialist broker.

Not Telling Your Insurer When Things Change

Insurance policies are based on the information you provide when you take out or renew the cover. If your business changes during the policy period, perhaps you take on additional staff, move into new service areas, win a major new contract, or change premises, you are obliged to tell your insurer. Failing to do so could invalidate your cover entirely at the point of a claim, leaving you fully exposed.

Focusing Only on Price

It is completely understandable to want to keep costs down, particularly when you are running a small business. But the cheapest policy is not always the best value. Policies with high excesses, restrictive cover limits, or unhelpful exclusion clauses can leave your business significantly underprotected when you actually need to claim. Always read the policy wording, or ask your broker to walk you through the key terms before you buy.

Frequently Asked Questions

What insurance does a small business legally need in the UK?

The only type of business insurance that is a legal requirement for most UK small businesses is Employers Liability Insurance, which applies if you employ one or more members of staff. Commercial vehicle insurance is also legally required for any vehicle used on public roads. Beyond those, legal requirements depend on your profession. Solicitors, architects, and financial advisers must hold Professional Indemnity Insurance as a condition of their regulatory authorisation.

What insurance do I need as a self-employed person in the UK?

As a self-employed person in the UK, the insurance you need depends on the work you do. If you provide professional advice or services, Professional Indemnity Insurance is strongly advisable. If you work with clients or the public, Public Liability Insurance is important. If you employ anyone, Employers Liability Insurance is legally required.

Is public liability insurance compulsory for small businesses?

Public Liability Insurance is not a legal requirement for small businesses in the UK. However, it is often contractually required by clients, landlords, event venues, and public sector organisations. Operating without it leaves you personally exposed to potentially significant compensation claims if a member of the public is injured or has their property damaged as a result of your business activities.

What is the difference between public liability and employers liability?

Public Liability Insurance covers claims made against your business by members of the public or third parties who suffer injury or property damage due to your business activities. Employers Liability Insurance covers claims made by your own employees who are injured or become ill as a result of their work. Both are important, but only Employers Liability is legally required, and only when you have staff.

How much does small business insurance cost in the UK?

Small business insurance costs in the UK vary considerably depending on your sector, the type of work you do, the number of people you employ, and the level of cover you need. The best way to get an accurate quote is to speak with an independent insurance broker who can compare the market on your behalf and tailor cover to your specific needs.

Can I get small business insurance online in the UK?

Yes, many insurers offer small business insurance online. However, for businesses with any complexity, specialist activities, or significant risk exposures, it is worth speaking with an independent broker. Online policies are often standardised and may not provide the specific cover your business needs. A broker can access a wider panel of insurers and negotiate cover that fits your actual situation, rather than a generic template.

Want the full picture? Read our complete Business Insurance UK guide for an in-depth look at every type of commercial insurance, legal requirements, costs by sector, and how to build the right programme for your business.

Get the Right Cover for Your Small Business

At Artemis Insurance Brokers, we work with small businesses across the UK every day. We are an FCA-authorised independent broker (Registration No. 524324) with more than 30 years of experience, and we have access to a wide panel of UK commercial insurers and Lloyd's of London underwriters. That means we can find genuinely competitive cover that is tailored to what your business actually does, not a generic policy that leaves gaps you only discover when things go wrong.

We work with sole traders, small limited companies, partnerships, and growing SMEs across virtually every sector, including professional services, technology, construction, retail, leisure, fitness, charities, and more. Our service is personal, our advice is straightforward, and we are here when you need to make a claim.

Call us on 020 8619 5000 or email info@artemisltd.co.uk to speak with one of our experienced advisers and get a no-obligation quote for your small business. Alternatively, use the quote form on this page and we will come back to you promptly.