Home About Us Careers Guarding Services CCTV/Technology Solutions Sectors Contact Us Corporate Security Infrastructure Security Residential Security Close Protection Canine 24/7 Control CCTV / Technology Solutions Guarding Services Find out more CCTV / Technology Solutions Find out more Company Overview Infrastructure Security Corporate Security Close Protection Residential Security Technology Company Brochures Download our company brochure to see how our business is unique in the provision of Professional Security Services. Black Diamond Security Limited holds SIA approved contractor status for the provision of security guarding. Black Diamond Security is proud to announce that it has achieved full accreditation from the British Transport Police Railway Safety Accreditation Scheme (RSAS) Current UK Threat Level Current Threat Level: SEVERE The current national threat level is SEVERE. The threat to Northern Ireland from Northern Ireland-related terrorism is SEVERE. 0800 804 8112 info@blackdiamondsecurity.co.uk www.blackdiamondsecurity.co.uk Copyright 2019 – Black Diamond Security Ltd Privacy Policy | Opt-out