safe, secure, united high performance security for high profile premises - United Guarding Services have been established over 25 years supplying expert reliable security services protection for the people and property in London and surrounding areas. Some of our clients include Colliers International, CBRE, Knight Frank, Savills, amey, Haringey London, Universities UK, Romulus, BAUER Media Group, to name but a few...... Manned Guarding, Mobile Response, Key Holding, Alarm Response, Reception & Concierge, Consultancy & Technology Services. SIA Approved Contractor Safe Contractor Approved ISO14001 OHSAS18001 NSI Gold Inspection BS 7958:2015 CCTV - Management & Operation - Code of practice City of London Crime Prevention Association, WCOSP, ASIS, CSSC