Applying for ACS approval: guidance and forms
Tools and guidance that you will need in order to become an SIA approved contractor.
Documents
Details
Our Approved Contractor Scheme (ACS) is a quality assurance scheme for the private security industry. We approve private security companies.
Use the ‘ACS Self-Assessment Workbook’ to assess your company against the ACS standard. To download the workbook, right-click on the link and select ‘Save as…’
Read the ‘2025 update to the ACS Self-Assessment Workbook’ to find out what has changed in criterion 6 (people).
Use the ‘ACS Self-Assessment Report’ to determine whether your company meets the ACS standard and to identify good practice to improve your business. To download the report, right-click on the link and select ‘Save as…’
Use the ‘ACS Self-Assessment Workbook Guide’ to understand how to assess your company using the ‘ACS Self-Assessment Workbook’.
Use the ‘ACS application form’ to apply for ACS approval.
Use the ‘ACS payment slip’ to pay your application and registration fees.
Updates to this page
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Removed file attachments 'Get Approved' and 'Get Approved Clarifications', and their details from the 'Body' section, as these are now published on their own page.
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Replaced the ACS application form with an updated version.
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Replaced the following documents with updated versions: 'ACS Self-Assessment Workbook Guide' and 'ACS Application Form'. Also added a new HTML document, '2025 update to the ACS Self-Assessment Workbook'.
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Replaced the 'ACS payment slip' with a newer version.
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Replaced the following documents with updated version: 'Get Approved', 'Get Approved Clarifications', 'ACS Self-Assessment Workbook', 'ACS Self-Assessment Workbook Guide' and 'ACS Application Form'. Added new document ' ACS Self-Assessment Report'.
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Replaced the following documents with the correct versions: 'Get Approved', 'Get Approved Clarifications' , 'ACS Self-Assessment Workbook' and 'ACS Self-Assessment Workbook Guide'. Removed document ' ACS Self-Assessment Workbook Report'.
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Replaced the following documents with updated version: 'Get Approved', 'Get Approved Clarifications' , 'ACS Self-Assesment Workbook', 'ACS Self-Assesment Workbook Guide' and 'ACS Application Form'. Added new document ' ACS Self-Assesment Workbook Report'.
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Replaced the 'ACS payment slip' with a newer version.
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First published.