Last reviewed: June 2026
TL;DR- Employer's liability is legally required under the Employers' Liability (Compulsory Insurance) Act 1969 if you have employees
- Public liability is not legally required but is often expected by clients and venues
- Professional indemnity is mandatory for FCA-regulated firms and some other regulated professions
- Packaged small business policies combine multiple covers and are often cost-effective
- All insurers must be FCA-authorised - check register.fca.org.uk before purchasing
Why Small Businesses Need Insurance
Small businesses face many of the same operational risks as large organisations - employee accidents, public liability claims, property damage, professional disputes, cyber incidents, and key person dependency - but with far fewer resources to absorb uninsured losses. A single significant uninsured claim can threaten the viability of a small business in a way that the same claim would not threaten a large corporation with financial reserves and risk management infrastructure.
Insurance transfers defined financial risks to an insurer in exchange for a predictable premium. This allows small businesses to operate with greater confidence, meet contractual requirements, and demonstrate the professional credibility that clients, public sector buyers, and trade bodies increasingly require before engaging suppliers.
Employer's Liability: The Non-Negotiable Cover
The Employers' Liability (Compulsory Insurance) Act 1969 requires most UK businesses with employees to hold EL insurance of at least £5 million (most policies provide £10 million). This covers claims from employees who suffer injury, illness, or death arising from their employment. The Health and Safety Executive (HSE) enforces compliance and can fine businesses up to £2,500 per day for non-compliance.
The legal requirement applies to most businesses with one or more employees including part-time workers, temporary workers, apprentices, and agency workers on the employer's payroll. Some narrow exemptions apply to certain family businesses where all employees are close family members and to sole traders with no employees, but these should be verified against HSE guidance rather than assumed. The certificate of EL insurance must be displayed at the workplace or made electronically available to employees.
The requirement cannot be contracted out of - even if employees agree to waive rights, the statutory requirement to hold EL insurance remains. Businesses without EL cover are exposed both to regulatory fines and to potentially unlimited uninsured liability for employee injury claims.
Public Liability for Small Businesses
Public liability (PL) insurance covers claims from third parties - members of the public, clients, visitors, or contractors - who suffer bodily injury or property damage as a result of the business's activities, whether on business premises or at client sites. A client who trips over equipment left by a tradesperson, or a member of the public injured by a scaffolding board falling from a building site, would potentially trigger a PL claim.
PL is not legally required for most small businesses but is widely expected in practice. Local councils require PL cover for market traders, street food vendors, and event operators. Public sector procurement commonly specifies minimum PL limits in tender requirements. Many trade associations and industry bodies require PL cover as a condition of membership. Without PL, a small business may find itself excluded from significant commercial opportunities and operating in a legally precarious position should an incident occur.
Professional Indemnity for Small Businesses
PI insurance covers a business against claims arising from professional errors, omissions, or negligent advice that causes financial loss to a client. For FCA-regulated firms including financial advisers, mortgage brokers, and insurance intermediaries, PI is mandatory as a condition of FCA authorisation. Architects, solicitors, accountants, and chartered surveyors face similar mandatory requirements from their professional regulators.
For small businesses in unregulated professional services - management consultants, marketing agencies, IT contractors, HR advisers, and similar - PI is not legally required but is strongly advisable wherever clients rely on the business's advice or deliverables to make financial decisions. Client contracts in professional services frequently require the supplier to maintain a minimum PI limit as a contractual condition, making PI a practical commercial necessity regardless of legal requirements.
Other Covers Small Businesses Should Consider
| Cover | What It Protects | Who Typically Needs It |
|---|---|---|
| Business contents | Equipment, tools, stock on premises or in transit | Businesses with physical assets or tools |
| Business interruption | Lost income after an insured event prevents trading | Businesses dependent on specific premises or equipment |
| Cyber insurance | Data breaches, ransomware, cyber liability | Businesses holding customer data or reliant on IT |
| Key person insurance | Financial loss from death or serious illness of key individual | Small businesses heavily dependent on one or two people |
| Product liability | Claims from defective or unsafe products supplied | Manufacturers, importers, distributors, and retailers |
| Commercial vehicle | Vehicles used for business purposes | Any business using vehicles that exceed social and domestic cover |
Packaged Small Business Insurance
Packaged small business insurance policies combine multiple covers into a single policy document, renewal date, and insurer relationship. Common packages include: trader's combined (PL, EL, contents, tools); professional services combined (PI, PL, cyber); and retail or restaurant combined (PL, EL, contents, business interruption). Packaged policies are typically structured by trade sector with limits appropriate to the sector's typical risk profile.
The advantage of a packaged policy is simplicity and often cost - the premium for a combined policy is usually less than the sum of the individual covers bought separately. The limitation is that the standard limits within each section may not be appropriate for every business, and some specialist risks may not be covered under standard packaged products.
How Much Does Small Business Insurance Cost?
Premium levels for small business insurance depend on the business type, size, and turnover; the number of employees and the nature of their work; the physical premises occupied; the sectors and clients served; the cover types and limits required; and the business's prior claims history. There is no standard market price that applies across all small businesses. The ABI publishes general guidance on business insurance at abi.org.uk.
Comparing quotes from multiple FCA-authorised insurers is the practical way to assess cost for a specific business. Quotes that appear dramatically cheaper than market norms should be examined carefully for lower cover limits, higher excesses, or material exclusions that reduce the effective protection provided.
Frequently Asked Questions
Do I need insurance as a sole trader with no employees?
EL is not required with no employees. However, PL may be required by clients or working venues, PI may be required for regulated activities or client contracts, and contents or tools cover may be advisable if the business uses significant equipment. Even without legal requirements, uninsured liability risks can be substantial for a sole trader whose personal assets could be at risk from an uninsured claim.
What is the difference between public liability and employer's liability?
EL covers claims from employees injured through their employment. PL covers claims from third parties - members of the public, clients, or visitors. They are distinct covers addressing different categories of claimant. Most businesses with employees need both covers, and many packaged policies include both as standard.
How much does small business insurance cost in the UK?
Premiums vary significantly by business type, size, sector, and cover levels. There is no standard price. Comparing quotes from multiple FCA-authorised insurers is the practical way to assess cost. The ABI provides general guidance at abi.org.uk.
What is a combined liability policy?
A combined liability policy bundles EL and PL (and sometimes product liability) into a single contract. It simplifies renewal and typically costs less than two separate policies while providing both essential liability covers under a single point of contact for claims and administration.
Is business insurance tax deductible?
Business insurance premiums are generally treated as allowable business expenses for UK tax purposes, reducing taxable profit. The specific treatment depends on the nature of the business and the cover. This is a matter for an accountant or tax adviser rather than an insurance decision.
- Employers' Liability (Compulsory Insurance) Act 1969: legislation.gov.uk
- HSE - Employer's liability guidance: hse.gov.uk
- FCA: fca.org.uk
- ABI - Business insurance: abi.org.uk
Reviewing Your Business Insurance at Renewal
Business insurance should be reviewed at every renewal rather than auto-renewed without consideration. As a business grows, takes on employees, expands its activities, moves premises, or enters new sectors, the original cover levels and policy terms may no longer be appropriate. An underinsured business - one whose claim amount exceeds its policy limit - will only receive the policy maximum, leaving any excess exposure uninsured. The Financial Ombudsman Service (FOS) can investigate complaints about insurance providers, including cases where a claim has been declined or disputed.
The renewal process is also an opportunity to check that the insurer remains FCA-authorised. Insurers can have their authorisation suspended or revoked, and policies from a firm that loses its FCA authorisation may be affected. The FCA register at register.fca.org.uk provides current status information.
GDPR and Cyber Insurance for Small Businesses
UK GDPR (the UK's retained version of GDPR under the Data Protection Act 2018) requires most businesses that process personal data to implement appropriate security measures and to report certain data breaches to the Information Commissioner's Office (ICO) within 72 hours. Cyber insurance can provide financial support to meet the costs associated with a data breach - including forensic investigation, customer notification, regulatory defence, and any compensation or fines that result. The ICO can issue fines for GDPR breaches of up to £17.5 million or 4% of global annual turnover, whichever is higher, for serious breaches. For small businesses, even smaller ICO fines or the reputational damage from a publicised breach can be existential. Cyber insurance does not replace the legal obligation to implement appropriate security measures, but it transfers the financial risk of a breach that occurs despite those measures.
