SIA Security Company Insurance Requirements Explained
A focused guide to the relationship between SIA licensing, security-company insurance, approved contractor expectations, contract evidence and insurer underwriting.
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SIA Security Company Insurance Requirements Explained
SIA licensing and insurance are linked in practice, but they are not the same thing. The Security Industry Authority regulates licensable private security activity in the UK; insurers decide whether they are willing to cover the business and on what terms. Clients then often add their own insurance requirements through contracts. A security company therefore needs to understand three layers: regulatory licensing, client procurement and insurance underwriting.
Last reviewed: 4 June 2026. Reviewed by: Insure24 commercial insurance editorial team. Our editorial policy explains source use, review cadence and how insurance content is checked.

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Quick Answers
What insurance does a security company need?
Most UK security companies should review public liability, employers' liability, professional indemnity, cyber insurance, commercial vehicle or fleet cover, legal expenses and fidelity guarantee. The right mix depends on whether the firm provides guarding, door supervision, key holding, patrols, CCTV monitoring, alarm response, events or close protection.
Read the requirements guideHow much does security company insurance cost?
Small low-confrontation security firms may pay a few thousand pounds, while larger guarding businesses can pay tens of thousands or well over GBP250,000. Price is shaped by guard numbers, wage roll, activities, claims history, contract limits, vehicles, key holding, events and evidence quality.
Read the cost guideIs insurance required for SIA approval?
SIA licensing is separate from insurance, but security firms are often asked for insurance evidence by clients, ACS processes or contracts. Employers' liability may be legally required where staff are employed, while public liability, PI, cyber, motor and fidelity are usually driven by activity and contract wording.
Read the SIA insurance guideSecurity Insurance Quote Preparation Checklist
Gathering this information before requesting terms helps insurers understand the risk quickly and reduces follow-up questions.
Business Size And Wage Roll
- Latest turnover split by activity: guarding, door supervision, events, retail, patrols, key holding, CCTV and alarm response.
- Annual wage roll for guards, supervisors, controllers, drivers, managers and office staff.
- Number of guards by employment type: employees, labour-only subcontractors, agency staff and bona fide subcontractors.
- Largest contracts by client sector, contract value, location and required insurance limits.
SIA, Staff And Training Records
- SIA licence records for relevant staff and supervisors, including expiry dates and role type.
- Vetting, right-to-work checks, references and onboarding records.
- Training matrix for conflict management, use of force, incident reporting, searches, safeguarding and lone working.
- Supervisor ratios, site audits, welfare checks and refresher-training records.
SIA Licensing Vs Insurance Requirements
SIA licensing, client contract requirements and insurance underwriting overlap, but they are not the same thing.
| Question | SIA / compliance angle | Insurance angle | What to evidence |
|---|---|---|---|
| Are staff licensed? | SIA licensing applies to regulated private security activity. | Insurers use licensing as one indicator of control and compliance. | Licence checks, renewal checks, training records and deployment controls. |
| Is public liability required? | Not a universal SIA certificate requirement for every scenario. | Often contractually required and central to third-party claim protection. | Policy schedule, limit, activity description and client contract wording. |
| Is employers' liability required? | Separate from SIA licensing. | Legally required in many employment situations and important for staff injury claims. | EL certificate, employee categories, wage roll and subcontractor treatment. |
| Is professional indemnity needed? | Not determined by SIA licensing alone. | Important where monitoring, advice, deployment or service failure could cause client loss. | Contract service levels, PI wording and failure-to-perform exposure. |
| Does ACS status replace insurance? | ACS can support procurement credibility. | It does not replace policy wording, limits or underwriting disclosure. | ACS evidence, insurance certificates and declared activities. |
Does The SIA Require Insurance?
There is no single universal SIA insurance certificate that replaces proper policy review. The practical requirement depends on the business activity, employees, vehicles and client contracts.
What SIA Licensing Does
- The SIA operates the UK licensing regime for regulated private security operatives and maintains information on licence holders.
- The SIA business plan for 2025 to 2026 stated that in February 2025 there were over 446,000 individual licence holders holding more than 500,000 licences.
- SIA licensing focuses on whether individuals and approved providers meet relevant standards, training and compliance expectations.
- Insurers often ask about SIA licensing because it is evidence of compliance discipline, but it is not a substitute for insurance wording.
What Insurance Does
- Public liability responds to covered third-party injury, property damage or allegation scenarios.
- Employers' liability responds to covered employee injury or illness claims and is legally required in many UK employment situations.
- Professional indemnity responds where covered negligent service, advice, monitoring, deployment or procedural failure is alleged.
- Cyber, fidelity, motor, legal expenses and D&O respond to different exposures that SIA licensing alone does not insure.
Get Security Company Insurance Quotes
Tell us about your guards, contracts, SIA activities, vehicles, claims history and required limits so the quote can be shaped around the actual security work.
Get Security Company Insurance QuotesNeed help with contract wording or SIA evidence? Get insurance quote
SIA, ACS And Client Contract Evidence
Many security businesses first encounter insurance requirements when applying for contracts, renewing frameworks or evidencing compliance to clients.
Common Evidence Requests
- Current public liability certificate with the required limit and correct business activity description.
- Employers' liability certificate where employees are used.
- Professional indemnity certificate where monitoring, consultancy, specification or failure-to-perform exposure exists.
- Motor, cyber or fidelity evidence where the contract involves patrol vehicles, data, CCTV, keys, access codes or client property.
Where Firms Get Caught
- The policy says security services generally but excludes door supervision, events, key holding, response or retail loss prevention.
- The contract requires a higher limit than the policy currently provides.
- Subcontractor or agency-worker arrangements are not disclosed clearly.
- The client asks for professional indemnity, but the business only holds public liability and employers' liability.
Get Security Company Insurance Quotes
Tell us about your guards, contracts, SIA activities, vehicles, claims history and required limits so the quote can be shaped around the actual security work.
Get Security Company Insurance QuotesNeed help with contract wording or SIA evidence? Get insurance quote
What Insurers Want To Know Before Quoting Security Companies
Insurers quote security companies faster and more confidently when the submission explains the real operating risk rather than relying on a broad security company label.
Core Appetite Questions
- What is the activity split by wage roll and turnover: guarding, door supervision, events, retail, patrols, key holding, CCTV or alarm response?
- How many guards, supervisors, controllers, drivers and subcontractors are involved?
- Which contracts require public liability, employers' liability, PI, cyber, motor or fidelity limits?
- What claims have occurred and what changed afterwards?
Evidence That Helps
- SIA licence checks, training records, assignment instructions and supervisor audits.
- Incident logs, CCTV/bodycam rules, patrol verification, key logs and alarm attendance records.
- Vehicle schedules, driver checks, telematics and response procedures.
- Cyber controls for monitoring platforms, access control, CCTV footage and incident records.
Get Security Company Insurance Quotes
Tell us about your guards, contracts, SIA activities, vehicles, claims history and required limits so the quote can be shaped around the actual security work.
Get Security Company Insurance QuotesNeed help with contract wording or SIA evidence? Get insurance quote
Cost Factors For SIA Security Company Insurance Requirements Explained
Insurers usually price security risks by activity, wage roll, turnover, contract limits, claim history, staff controls, sectors served, vehicles and whether the work is low-confrontation or high-confrontation.
- Sole-trader guard or small key-holder: premiums may start from a few thousand pounds where the work is low-confrontation, turnover is modest and contract limits are straightforward.
- 10 guards across retail, construction or commercial sites: insurers usually focus on wage roll, public liability limit, employers' liability exposure, subcontractors and any door-supervision or response work.
- 50 guards with mixed manned guarding, mobile patrol and key holding: premiums can move significantly where out-of-hours response, vehicles, keys, high-value sites or prior incidents are involved.
- 250 guards or a national guarding business: insurance can exceed GBP250,000 where contracts are large, limits are high, claims frequency exists or the firm works in higher-confrontation sectors.
Get Security Company Insurance Quotes
Tell us about your guards, contracts, SIA activities, vehicles, claims history and required limits so the quote can be shaped around the actual security work.
Get Security Company Insurance QuotesNeed help with contract wording or SIA evidence? Get insurance quote
Frequently Asked Questions
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What insurance is required for SIA approval?
SIA licensing and insurance are separate. The insurance a security company needs depends on its employees, vehicles, activities and client contracts. Public liability, employers' liability and professional indemnity are commonly reviewed, with cyber, fidelity and motor added where relevant.
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Does the SIA make public liability mandatory?
Public liability is often contractually required by clients and commercially essential, but firms should check current SIA guidance and contract wording rather than assuming one universal rule applies to every business.
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Do SIA contractors need employers' liability?
Employers' liability is legally required in many UK employment situations. Security firms using guards, supervisors, controllers or office staff should review this carefully.
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Do SIA licence checks help insurance?
They can help the underwriting presentation because they show compliance discipline, but insurers will also look at services, contracts, claims, training, supervision and procedures.
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Can a security company get insured without ACS status?
Often yes, depending on the risk and insurer appetite. ACS status can help with credibility and procurement, but insurance is still underwritten on the actual business.
Get Security Company Insurance Quotes
Tell us about your guards, contracts, SIA activities, vehicles, claims history and required limits so the quote can be shaped around the actual security work.
Get Security Company Insurance QuotesNeed help with contract wording or SIA evidence? Get insurance quote