tag:www.gov.uk,2005:/search/guidance-and-regulationGuidance and regulation from Security Industry Authority (SIA)2026-04-27T16:12:01+01:00HM Governmenttag:www.gov.uk,2005:/guidance/apply-for-acs-approval2026-04-27T16:12:01+01:00Apply for ACS approvalWhat we check and how you apply for approval.tag:www.gov.uk,2005:/guidance/understanding-acs-assessments2026-04-27T16:09:22+01:00Understanding ACS assessmentsWhen taking the SIA's standard route to ACS approval, you must pass an assessment. This guidance explains the assessment to help you prepare.tag:www.gov.uk,2005:/guidance/choosing-an-sia-approved-contractor2026-04-17T17:16:06+01:00Choosing an SIA approved contractorHow to choose an SIA approved contractor and why you should.tag:www.gov.uk,2005:/government/publications/martyns-law-the-sias-new-regulatory-role2026-04-15T11:36:52+01:00Martyn's Law: the SIA's new regulatory roleLearn more about Martyn's Law and the SIA's role as regulator. tag:www.gov.uk,2005:/guidance/apply-for-an-sia-licence2026-04-02T17:15:24+01:00Apply for an SIA licenceWhat to do before you apply, and how to apply for a licence yourself or through your employer.tag:www.gov.uk,2005:/guidance/renew-your-sia-licence2026-04-01T00:30:04+01:00Renew your SIA licenceFind out what you need to do to renew your SIA licence.tag:www.gov.uk,2005:/government/publications/changes-to-sia-licence-linked-training-your-questions-answered2026-04-01T00:30:04+01:00Changes to SIA licence-linked training: your questions answeredAnswers to the questions most commonly asked by licence applicants and licence holders about the changes that we are making.tag:www.gov.uk,2005:/government/publications/changes-to-the-delivery-of-sia-licence-linked-training2026-04-01T00:30:04+01:00Changes to the delivery of SIA licence-linked trainingGuidance for training providers: what you need to know if you will be delivering SIA licence-linked training after 1 April 2021.tag:www.gov.uk,2005:/guidance/check-what-training-you-need-to-get-an-sia-licence2026-04-01T00:30:04+01:00Check what training you need to get an SIA licenceInformation about licence-linked qualifications, the awarding organisations that offer these qualifications, and how to find an approved training provider.tag:www.gov.uk,2005:/government/publications/change-to-the-sia-licence-fee-your-questions-answered2026-03-04T10:25:57+00:00Change to the SIA licence fee: your questions answeredAnswers to the questions most commonly asked by licence applicants and licence holders about the change to the licence fee.tag:www.gov.uk,2005:/guidance/how-to-apply-for-our-licence-management-service2026-02-20T09:40:07+00:00How to apply for the SIA's Licence Management serviceWhat you must do if you wish to use the Security Industry Authority's Licence Management service.tag:www.gov.uk,2005:/government/publications/maintaining-your-acs-approval2026-02-03T10:05:16+00:00Maintaining your ACS approvalAn SIA approved contractor is assessed every year, must inform us of significant changes to the company, and must use the ACS mark correctly.tag:www.gov.uk,2005:/guidance/acs-compliance-using-trademarks-and-making-accreditation-claims2026-02-03T09:51:48+00:00ACS compliance: Using trademarks and making accreditation claimsHow to remain compliant as an SIA approved contractor while using trademarks and making claims about your accreditation.tag:www.gov.uk,2005:/guidance/find-out-if-you-need-an-sia-licence2026-01-29T09:45:54+00:00Find out if you need an SIA licenceThe different types of SIA licence, and which job activities need a licence.tag:www.gov.uk,2005:/guidance/keep-your-acs-approval2026-01-19T09:38:32+00:00Keep your ACS approvalWhat an SIA approved contractor must do to remain approved.tag:www.gov.uk,2005:/guidance/acs-approval-additional-conditions2026-01-06T14:05:48+00:00ACS approval: additional conditionsLearn about how we can apply additional conditions to your ACS approval and what this means for you.tag:www.gov.uk,2005:/government/publications/sia-get-approved2026-01-06T13:50:52+00:00SIA: Get ApprovedThese documents set out the rules the SIA uses to manage its voluntary Approved Contractor Scheme (ACS).tag:www.gov.uk,2005:/guidance/learn-about-the-british-standards-that-apply-to-private-security2026-01-05T15:49:00+00:00Buy the British standards that apply to private securityYou can buy the British standards at a 30% discount.tag:www.gov.uk,2005:/guidance/learn-about-our-strategic-forum2025-12-23T10:43:41+00:00Learn about the SIA's stakeholder forumThe SIA's stakeholder forum: what it is and who is in it.tag:www.gov.uk,2005:/guidance/learn-about-the-sia-licence-conditions-you-must-follow2025-12-01T11:03:26+00:00Learn about the SIA licence conditions you must followThe conditions you must follow if you hold an SIA licence, and the penalties you may face for not doing so.