Employers' liability insurance for professional firms in the UK

Reviewed by Matthew Bartlett, Director (SMF3, SMF16, SMF17). Last reviewed 10 July 2026.

Employers' liability insurance is the one line of cover that most professional firms in Great Britain are legally required to buy. Unlike professional indemnity, it is not a regulator's rulebook matter — it sits on the statute book, in the Employers' Liability (Compulsory Insurance) Act 1969, and the penalties for going without it are enforced by the Health and Safety Executive.

This guide is written for solicitors, accountants, architects, surveyors, engineers, IT consultants and management consultants. It sets out what the cover does, who has to buy it, where the statutory floor sits, how it interacts with public liability and professional indemnity, and the wording points that come up in an office-and-site environment.

What employers' liability insurance is

Employers' liability insurance — usually shortened to EL — meets an employer's legal liability to pay compensation to an employee who suffers bodily injury or disease arising out of and in the course of their employment. The trigger is normally occurrence-based: the policy that responds is the one in force at the moment the injury or exposure happens, not the one in force when the claim is later made. That distinction matters when a firm changes broker or insurer, and it matters even more when a disease claim surfaces years after the exposure.

The Employers' Liability (Compulsory Insurance) Act 1969 requires most employers carrying on business in Great Britain to maintain approved insurance against liability for injury or disease sustained by their employees. Regulations under the Act set the minimum indemnity limit at £5 million for any one occurrence, and require the insurance to be arranged with an authorised insurer. The commercial market has moved beyond that floor: £10 million is the standard limit offered by most insurers, and larger firms often carry £25 million.

The certificate of employers' liability insurance is the visible artefact of the policy. Since 2008, the requirement to display a paper certificate at every place of business has been relaxed, and employers may hold it electronically provided it is accessible to employees and can be produced to an HSE inspector on request.

Who has to buy employers' liability cover

The compulsory duty falls on almost every employer in Great Britain that engages at least one employee. The definition of "employee" is broader than the definition used for tax or employment rights: it captures anyone working under a contract of service or apprenticeship, and can capture some workers who might otherwise be treated as self-employed if the practical reality of the engagement looks like employment. Trainees, apprentices and — depending on the circumstances — some volunteers can also fall within scope.

A sole practitioner with no employees is, on the face of the Act, exempt. Many still take out a nominal policy, because insurers often bundle it with public liability at very low cost and because engaging an occasional paralegal or work-experience student can pull the firm inside the statutory duty. Family businesses have a narrow exemption where all the employees are close relatives of the employer, but the definition is tight. Public bodies, the health service and certain nationalised industries have their own exemption regime. Ordinary limited companies, LLPs and traditional partnerships do not.

What employers' liability actually covers

The core of the cover is compensation and legal defence costs for employee bodily injury or disease arising during the course of employment. In practice that captures a wide range of scenarios: a slip on a wet office floor, a repetitive strain injury from years of keyboard work, a musculoskeletal claim built up over a career of site inspections, an occupational disease traced back to workplace exposure, a mental health injury attributed to a work-related incident or a sustained pattern of overwork.

The mental health limb has become one of the more active areas of claim over the last decade. Stress, anxiety and post-traumatic stress disorder claims linked to workload, bullying, or a specific incident at work are increasingly seen in professional-firm portfolios. Insurers pay compensation and defence costs where liability attaches under the common law of employer's duty, alongside statutory duties under the Health and Safety at Work etc. Act 1974 and secondary regulations. The costs of defending an HSE prosecution typically sit under a separate legal expenses extension rather than the core EL indemnity.

What employers' liability does not cover

A claim brought by a non-employee — a client visiting the office, a delivery driver, a contractor's employee working on the premises — falls outside EL. That is public liability territory. Property damage suffered by an employee (a laptop dropped in the car park) is not EL either.

Injury outside the scope of employment sits outside the cover. A partner injured in a personal fall at home on a Saturday is not covered, even if that partner is technically an employee. Deliberate acts by the employer are excluded, though the line between a deliberate act and a grossly negligent one can be finely drawn. HSE fines and criminal penalties are not insurable as a matter of public policy: a firm can insure the legal defence costs of an HSE prosecution but cannot insure the fine itself.

Sector-specific EL considerations for professional firms

Every profession has its own EL risk profile, even though the headline product looks the same across sectors.

Solicitors are largely office-based, so slip-and-trip, RSI, and stress-related mental health injury dominate. Litigators making court and site attendances pick up a modest travel risk. Firms with junior lawyers working long hours through billing cycles tend to see the stress limb come alive.

Accountants mirror the solicitors' profile: office environment, RSI, stress claims concentrated around audit season and the January self-assessment deadline.

Architects combine office work with site attendance. Construction sites, higher-risk buildings under the Building Safety Act 2022 regime, and occupied refurbishments carry a materially higher risk profile than the studio.

Surveyors face the widest EL spread. Roof access, ladders, confined spaces, historical asbestos exposure and environmental sampling give the profession an occupational-disease tail that PI does not. Building surveyors inspecting pre-2000 properties should assume asbestos is present until proven otherwise.

Engineers — civil, structural, mechanical, electrical — have a site risk profile similar to surveyors but with a bias towards machinery interaction, height work and, in some sub-disciplines, confined-space work.

IT consultants operate hybrid — office, home and client site. RSI and musculoskeletal injury from prolonged desk work dominate, with a manual-handling limb for consultants carrying equipment between sites.

Management consultants are travel-heavy. Long hours, frequent international travel, client-site working and a workforce culture that has normalised high billable expectations combine to push stress and mental health claims to the top of the loss picture.

EL, PL and PI — where the boundaries sit

The three lines are often bought together but each answers a distinct question. Employers' liability answers: what happens if an employee is injured or made ill by their work? Public liability answers: what happens if a third party is injured or has property damaged by the firm's activities? Professional indemnity answers: what happens if the firm's professional advice causes a client financial loss?

EL and PL are frequently combined into a single "office combined" or "commercial combined" policy, sharing a schedule and often a claims team. They cover different exposures and are rated separately, but the wording is often issued as a single document. PI is always separate — placed with different insurers, on different wordings, with different notification triggers. It is a common misconception among smaller firms that "the office policy covers everything"; it does not, and a firm without dedicated PI is a firm without professional-negligence cover.

Common wording issues to check

Territorial scope is the first thing to look at. The Act requires cover for injuries in Great Britain — Northern Ireland has its own equivalent regime — but the commercial policy typically extends worldwide for temporary business trips by UK-based employees. Firms sending staff on secondment overseas should check whether the extension is broad enough and whether local compulsory cover is required in the destination country.

Retroactive dates are rarely a live issue for EL because the trigger is occurrence-based. That means a claim brought in 2026 for an exposure in 2004 falls to the 2004 policy, wherever that policy sits. Firms with a long trading history should keep a record of every EL policy ever held. Insurers are required to retain long-term policy records to help claimants trace historic cover, and the Employers' Liability Tracing Office exists to help — but a firm's own records are the first port of call.

The employee definition should be checked against the actual workforce. Firms with agency workers or self-employed contractors need to be sure the policy responds if the working reality is different from the label. Apprentices and trainees should be captured expressly. Working from home is now a standard feature: most wordings have been updated since 2020 to make clear that the home office is covered under the ordinary EL indemnity.

Typical professional-firm EL claim scenarios

The claims book of a professional firm tends to be dominated by a handful of recurring patterns. A slip or trip in the office — often on a wet floor, a trailing cable, or an uneven step — is the single most common claim. RSI and musculoskeletal injury from prolonged desk work is the second. Stress and mental health claims are the third, and their share of the book has grown steadily over the last decade.

Site injuries on client visits — the architect who falls on unfinished stairs, the surveyor who slips on a roof — form a smaller but higher-severity tail. The long tail of the book is historical exposure, with asbestos the archetype: a surveyor who inspected pre-2000 properties in the 1990s may not develop mesothelioma until the 2030s, and the EL policy in force at exposure will respond decades later.

How EL fits into a professional firm's total insurance programme

EL is one of the smaller premium lines a professional firm buys. It rarely attracts the same attention as PI at renewal, and it is not typically a competitive market — wordings are broadly standardised across insurers and pricing is driven more by wage roll and sector than by wording differences. The severity potential per claim is nevertheless very high. A career-ending injury to a senior fee-earner, or a mesothelioma diagnosis attributable to decades-old exposure, can produce settlements well into seven figures.

Firms should size the limit against the plausible worst case rather than the statutory floor. £5 million is the legal minimum but rarely enough for a firm with several employees on meaningful salaries; £10 million is the commercial baseline; £25 million or higher is common in firms with larger workforces or heavier site exposure. A single site incident could produce EL claims from the firm's own employees, PL claims from third parties on site, and PI claims from clients whose project has failed — three policies responding independently on the same balance sheet.

How Apex helps

Apex Insurance Brokers Limited is an FCA-authorised broker (FRN 724952) focused on professional-firm risk. The firm is directed by Matthew Bartlett, who holds SMF3, SMF16 and SMF17 approvals. Apex places employers' liability alongside public liability and professional indemnity for solicitors, accountants, architects, surveyors, engineers, IT consultants and management consultants, working across the UK insurance market to arrange cover on wordings suited to the sector.

Frequently asked questions

Is employers' liability insurance compulsory for a professional firm?

Yes, for almost every professional firm employing at least one person in Great Britain. The obligation sits under the Employers' Liability (Compulsory Insurance) Act 1969 and is enforced by the Health and Safety Executive. A limited number of exemptions apply — sole traders with no employees, and certain public bodies — but the compulsory duty covers the great majority of professional firms.

What is the statutory minimum EL limit?

£5 million for any one occurrence, set by regulations under the 1969 Act. The commercial market baseline is £10 million and larger firms commonly carry £25 million or more.

Does EL cover working-from-home employees?

In most current commercial wordings, yes. Since 2020 the market position has consolidated around treating the home office as part of the ordinary working environment. Firms should still document display-screen equipment assessments and lone-working procedures, and check the specific wording rather than assuming.

What is the difference between EL and public liability?

Employers' liability responds when an employee is injured or made ill by their work. Public liability responds when a non-employee — a visitor, a client, a member of the public — is injured or has property damaged by the firm's activities.

Do I need EL as a sole practitioner solicitor with no employees?

On the face of the Act, no — the compulsory duty does not apply to an employer with no employees. Many sole practitioners still buy EL because premiums are low and because engaging even a part-time paralegal or work-experience student can bring the practice within scope of the statutory duty.

Are HSE fines covered under EL?

No. Criminal fines and penalties imposed by the HSE cannot be insured as a matter of public policy. Legal defence costs for an HSE prosecution can be covered, typically under a separate legal expenses extension rather than the core EL indemnity, but the fine itself sits on the firm's own balance sheet.

Related reading

For fuller sector treatment see the Apex guides to solicitors' PI, architects' PI, accountants' PI and surveyors' PI. For the third-party equivalent, see public liability insurance for professional firms. For directors' and officers' cover and the wider management liability picture, see the management liability guide.


Apex Insurance Brokers Limited is authorised and regulated by the Financial Conduct Authority. Firm reference number 724952.