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Guidance

Learn how HMRC rules apply to the security operatives you deploy

How to know whether the operatives you deploy are employed or self-employed, and what this means for tax and national insurance.

This guide does not replace, amend or take precedence over the official HMRC guidance.

You need to know their employment status

Part of the amount of tax and national insurance you must pay to HM Revenue and Customs (HMRC) depends on the ‘employment status’ of the operatives you deploy – that is, whether they are employed or self-employed.

You should check their employment status in both of the following:

  • employment law – to see whether they have an employee’s rights
  • tax law – to see whether you are responsible for PAYE and National Insurance contributions

You and they may have to pay unpaid tax and penalties if their employment status is wrong.

Use the guidance HMRC provides

HMRC provides guidance and tools to help you work out if someone is employed or self-employed.

You should:

Or you can contact HMRC directly.

Think about the contract

You need to work out whether the contract you have with the operatives you deploy is a contract of service (employment) or a contract for services (self-employment).

Contracts may be written, oral, implied or a combination of all 3. This means that the contract may not be defined in just 1 document. It can include:

  • any instructions, handbooks, or other documents that form part of their working relationship with you
  • what you say or do and what they say or do
  • what happens in practice

Work out the employment status of your operatives

You can use the ‘employment status indicators’ derived from case law to determine someone’s employment status.

Some of these indicators are:

  • mutuality of obligation
  • personal service
  • control
  • financial risk
  • business on their own account

We explain each of these below. The ESM0500 - Guide to determining status section of HMRC’s employment status manual provides more detail.

Mutuality of obligation

‘Mutuality of obligation’ establishes whether a contract exists. A contract exists when a worker accepts your offer of work and you pay for the services provided by the worker.

This can be present in both employed and self-employed engagements and does not determine the nature of the contract between you.

Personal service

Someone who is employed must provide a ‘personal service’ – that is, they must carry out at least some of the work themselves. Linked to personal service, is whether a worker has a genuinely unrestricted right to provide a substitute.

A genuine unrestricted right of substitution may negate an employment relationship. That will only be the case if the substitution clause is so wide as to permit, without breach of contract, the worker to decide never to personally turn up for work at all. The worker would be responsible for sourcing and paying an alternative worker to provide the services, which neither you nor the end client could veto.

If you or the end client are able to restrict a worker’s ability to provide a substitute, or could veto this, then such a restricted right to substitution would not prevent the worker from providing a personal service.

Control

You must have a sufficient right of control over the operatives you deploy for a contract of employment to exist.

There are 4 elements of control to consider. These include control over what, where, when and how the work is done. You do not need all 4 elements to be present to have a sufficient right of control.

It is the right to exert control that is significant, not whether that right is exercised.

Financial risk

A strong indication of self-employment is whether the worker incurs any financial risk whilst carrying out the work for you. “Financial risk” means risking their own money by buying assets and paying their running costs, overheads and materials.

“Financial risk” in this context does not include such things as:

  • travel expenses to/from the place they are working
  • paying for their own clothes
  • use of their own small equipment, such as a phone, torch or pen

This is because these things are common to both employed and self-employed workers.

Business on their own account

A person is probably self-employed if they are responsible for:

  • investing in capital
  • managing overheads, wages and debts
  • making a profit or a loss

Other factors

The presence or absence of rights or benefits is not a significant factor in whether someone is employed or self-employed, nor is the intention of either party. To determine if an operative is employed or self-employed you need to establish all of the facts and then make an informed decision by looking at the whole picture.

Employment status: read our example

Our employment status example features typical working arrangements for the private security industry. It shows how you can apply the employment status indicators to real-world situations.

Rules for employment intermediaries (agencies)

An employment intermediary is a person or business who arranges for someone to work for a third person. They are also often known as an ‘agency’ or ‘employment business’.

You are an employment intermediary if you supply workers to work for a client or another employment intermediary, and the client then pays you or someone connected to you for the worker’s services. The client is who the worker does the work for.

If you are an employment intermediary there are special ‘agency’ rules that apply if the workers are not already employees.

The agency rules will apply when:

When the agency legislation applies, the worker is treated as holding an employment with you and you are responsible for operating PAYE/NI.

The agency legislation does not apply to you if you can provide clear, unequivocal evidence that no-one has the right of supervision, direction or control over how the operative provides their services (see ESM2037 in particular), or show that the workers are already engaged as employees with PAYE/NI being fully accounted for.

Find out more about the agency legislation

You cannot use HMRC’s Check Employment Status for Tax (CEST) tool to decide if the agency rules apply.

Labour supplied to you by a third party

If the agency legislation applies and you use labour supplied by a third party, then the security company which contracts directly with the client is responsible for operating PAYE/NI, unless is it already being accounted for down the chain. Please see ESM2039 for more information.

It is important that you do the appropriate due diligence if you receive labour from a third party and contract with the clients to supply workers. If the agency legislation applies you will potentially have to account for this or ensure it is being accounted for down the chain. Your due diligence checks need to cover this.

It is important that you consider how to safeguard your business from financial and reputational risk.

Read HMRC’s advice on due diligence.

If you are an SIA approved contractor

Indicator 4.2.1 of the ACS Self-Assessment Workbook requires that an approved contractor “complies with all the relevant tax and national insurance legislation concerning people they deploy”. It also says that:

  • “all the organisation’s people must be employees or employees for tax purposes”
  • “people who are subject to PAYE receive full employment rights of an employee or worker rights in accordance with UK employment law”

HMRC expects security operatives to be treated as employees with PAYE and National Insurance accounted for, including within a supply chain.

This means that you must confirm the employment of your operatives and any operatives you deploy from other agencies, companies or other organisations, and where you sub-contract services.

Your assessor will ask to see evidence of this. If you cannot provide this evidence, or if the evidence is inconclusive, then they will raise an improvement need.

Evidence showing the employment status of the operatives you deploy

The evidence you provide must:

  • show your operatives are employees, or treated as employees for tax purposes by applying the agency legislation
  • demonstrate that you are making the correct PAYE and National Insurance contributions

Some examples of the evidence you can provide are:

  • the names of all the operatives you deploy
  • operatives’ roles and responsibilities
  • contracts with customers, suppliers and individuals
  • assignment instructions
  • training and induction records
  • invoices
  • timesheets
  • rotas
  • employment contracts
  • payslips
  • PAYE real time information (RTI)
  • expenses reimbursements
  • holiday records and payments
  • employment intermediary reports

Where a court or tribunal decides on someone’s employment status, you may provide evidence that shows you are compliant with that ruling if it is identical to the working arrangements of the operatives you deploy.

We may interview your staff, customers and suppliers to confirm that the employment status you have declared is true and accurate.

Court or tribunal rulings

Where a court or tribunal makes a decision on someone’s employment status, you may provide evidence that shows you are compliant with that ruling if it is identical to the working arrangements of the operatives you deploy.

Updates to this page

Published 16 May 2022
Last updated 1 July 2026 Show all updates
  1. Updated the text within the section 'If you are an SIA approved contractor'.

  2. Added a new section ('Employment status: read our example') and a document containing an example relevant to the private security industry.

  3. First published.

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