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Getting the right business insurance is a stepping stone worth putting some time into. The details might seem dull, but you’ll thank yourself later if an incident turns into an unnecessary expense.
It’s surprisingly easy to be underinsured, or to assume you have the right level of cover without checking the details. In fact, 28% of sole traders operate without insurance.* It’s an obvious risk, but many business owners simply aren’t completely sure what protection they need.
Two types of cover you’ve either come across or are likely to, are public liability insurance and professional indemnity insurance. They protect against different kinds of claims, so depending on what your business does, you may need one or both.
Understanding the difference can help you choose the right cover with confidence, rather than buying a policy simply because someone told you to or missing out on valuable protection because the terminology felt too complicated.
Need a clearer comparison? You’re not alone
Business insurance comes with plenty of unfamiliar terms, so it’s understandable if you’re not completely sure what each policy covers.
Professional indemnity can be particularly confusing. ABI research found that a third of SMEs had heard of it but could not explain what it was. Public liability was better understood, but almost one in five businesses still struggled to explain it.
The important thing is not to know every insurance term. It’s to understand the risks involved in your work and which type of cover is designed to protect against them.
Let’s start with public liability insurance.
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What is public liability insurance?
Public liability insurance is there for the everyday accidents that can happen while you’re working. For example, a customer might slip and hurt themselves at your place of business, or you could accidentally damage something at a client’s property.
If a member of the public is injured or their property is damaged because of your business activities, the policy can help cover compensation and legal costs, depending on the terms of your cover.
Think about the physical interactions involved in running your business:
- Do customers visit your premises?
- Do you visit customers in their homes or workplaces?
- Do you use tools, cables, displays or other equipment around people?
- Do you attend markets, exhibitions or events?
- Could your work accidentally damage somebody else’s belongings?
When the answer to one or more of these questions is yes, public liability insurance is likely to be worth considering.
What is professional indemnity insurance?
Professional indemnity insurance is there for problems linked to the advice, expertise or services you provide. For example, a client might claim that an error in your work, a missed detail or incorrect advice caused them to lose money.
It can help cover compensation and legal costs, depending on the policy. It is especially relevant if you provide consultancy, designs, calculations or specialist services, or if you handle important client information.
Professional indemnity is not only for traditional professions such as accountants, architects and solicitors. It can also be relevant to:
- Marketing consultants
- Graphic designers
- Therapists
- Personal Trainers
- Business coaches
- Builders
- Other trades
It’s not quite right to differentiate if, “Do I think of myself as a professional?”
A better way is: Could a client claim that my advice, design, recommendation, error or omission caused them a financial loss?
Public liability vs professional indemnity: What is the difference?
The easiest way to compare the two policies is to look at the type of harm involved.
| Public liability insurance | Professional indemnity insurance |
|---|---|
| Main risk Injury or property damage | Financial loss arising from professional advice or services |
| Typical claimant A customer, visitor, supplier or member of the public | A client or other party affected by your professional work |
| Typical event An accident connected with your activities | An alleged error, omission or negligent service |
| Example You accidentally cause damage to a customer or clients’ property. | A client says your advice caused them to lose money |
| Often relevant to Trades, events, beauty services and businesses working on-site | Consultants, designers, advisers and specialist service providers |
A basic comparison could look at it in this way.
Public liability relates mainly to what happens around your business. Professional indemnity relates mainly to the professional work your business delivers.
There can be exceptions, and every claim depends on the circumstances and policy wording. This comparison is a starting point rather than a substitute for checking your cover.
When do you need public liability insurance?
You should consider public liability insurance when your business interacts physically with customers, their property or the wider public.
This could apply when you:
- Work in customers’ homes
- Carry out work at client sites
- Welcome customers to your premises
- Run classes, demonstrations or workshops
- Attend fairs, markets or exhibitions
- Use equipment in public or shared areas
- Organise events
- Carry out physical installation, repair or maintenance work
Public liability insurance is not usually a legal requirement for every UK business, but some clients, venues, landlords or contractors may ask to see proof of cover before you can work with them.
So, as well as protecting you if something goes wrong, it can also help you meet contract requirements and show customers that you take your responsibilities seriously.
When do you need professional indemnity insurance?
Professional indemnity should be considered when your business provides advice, expertise or a service that another person relies upon.
You may need professional indemnity insurance when you:
- Give professional recommendations
- Produce designs, specifications or plans
- Provide consultancy
- Manage a project for a client
- Work with important client data
- Prepare reports or calculations
- Create content on a client’s behalf
- Advise clients on business, financial or technical decisions
- Could make a mistake that creates a financial loss
- Have a contract requiring a particular level of PI cover
Some professions, including solicitors, accountants, architects and financial advisers, may need professional indemnity insurance to meet the rules of their regulator or professional body. Other businesses arrange it because a client or contract requires it.
These requirements are a useful reason to check your cover, but it is worth reviewing what your business needs even when nobody is asking for proof.
When might you need both?
Many self-employed people and small businesses provide advice or specialist services while also working with customers in person or on-site. In these cases, having both public liability and professional indemnity insurance can give you more complete protection.
You may need both when you:
- Give advice and visit client premises
- Design something and then install or supervise it
- Provide consultancy and hold in-person workshops
- Work with clients’ equipment or property
- Deliver professional services at events
- Combine digital work with physical implementation
An architect, for example, may face a professional indemnity exposure from an alleged error in a design and a public liability exposure while visiting a construction site. A photographer could face a professional claim relating to their commissioned work and a public liability claim following an accident at a venue.
One policy does not normally replace the other. They are designed for different categories of risk.
How does business insurance fit in?
“Business insurance” is an umbrella term for different policies that address different risks. Public liability and professional indemnity may form part of a wider small business insurance package rather than being bought separately.
The appropriate combination depends on how your business operates. Other cover might include:
Employers’ liability insurance: If your business has employees, you will usually need this by law. It covers liability for injuries or illnesses employees suffer as a result of their work.
Product liability insurance: Relevant if you design, manufacture or supply physical products that could cause injury or property damage.
Tools, equipment or contents cover: Helps protect the items you rely on to trade.
Business interruption insurance: May cover loss of income during periods when an insured event prevents normal operations.
Cyber insurance: May provide support following insured cyber incidents, data breaches or system disruption.
Legal expenses insurance: May cover certain legal disputes that are not included within a liability policy.
What our Underwriters say…
“When choosing business insurance, it’s worth thinking about the type of risk your work creates. Public liability insurance can help if someone is injured or their property is damaged because of your business, while professional indemnity insurance is designed for claims linked to your advice or services.
We often hear from customers who are unsure about the difference, and that’s completely understandable. Our team is always happy to explain the options so you can make an informed decision and choose cover that feels right for your business.”
Mandy Czyz – Underwriter, Protectivity
Choose liability protection with confidence
The difference between public liability and professional indemnity comes down to the nature of the risk.
Public liability insurance is designed primarily for claims involving members of the public, physical injury and property damage. Professional indemnity insurance focuses primarily on claims that professional advice or services caused loss or damage.
Your business may need one, both or a wider package of cover.
The goal is not to buy every policy available or make decisions based on fear. It is to understand your realistic exposures, check any legal, contractual or industry requirements, and choose protection that gives you confidence to keep working and growing.
Good insurance decisions begin with good questions. Describe your activities honestly, examine what a serious claim could involve and review the cover as your business evolves.
When you understand what you are buying and why you are buying it, business insurance becomes more than another expense. It becomes part of building a resilient, credible and confident business.
Protectivity offers a variety of business insurance policies that can be tailored to your profession. We provide policies for dog walkers, hairdressers, tradespeople, therapists, caterers and so many more.
Find out how we can cover your business for the best price, when you get a quote.
Sources
The Association of British Insurers’ 2026 report, Small Business, Big Risk: Tackling SME Underinsurance
*Disclaimer – Insurance policies differ between providers and are subject to their terms, limits, excesses and exclusions. This article provides general information and is not personal insurance or legal advice.
Make sure you have the correct level of insurance for your requirements and always review policy documentation. Information is factually accurate at the time of publishing but may have become out of date.
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