ATS (All Time Security) Limited is SIA Approved contractor for Security Guarding, Key Holding, Door Supervision, Close Protection and CCTV Public Surveillance. Our aim is to provide a customer focused service that protects the integrity of the sites we are securing, while enhancing the professional image of our customers. ATS is also accredited to ISO 9001 for the provision of security, which means that we are audited twice a year by the British Standards institution.