A comprehensive list of Greenwich based security companies offering private detective and investigation services, CCTV camera system, burglar and intruder alarms installation services. 
Specialists in the installation and maintenance of the latest CCTV, fire safety and security solutions. Versatile turnkey solutions commissioned by an experienced engineering team. Based in London and servicing the whole of the UK.
Jamie Doolan — Excellent security company, took care of all my needs, cctv, auto gates and intruder alarm, really helpful and informative
We have operated in the COMMERCIAL & RESIDENTIAL fire and security industry for over 35 years, with engineers based in Bristol & Swindon covering an area including Bristol, Gloucestershire, Wiltshire, Somerset & South Wales. Through a combination of commitment to customer care and the provision of experienced engineers and support staff Cannon has become one of the South West's leading fire & security
Shishu Ali — Good at invoicing and collecting payment, useless when you actually need them.
Based in London UK, we provide a 24-hour service security installations and professional locksmith service to domestic, commercial and industrial customers across the UK. We also run a locksmith training scheme to provide a stepping-stone into a rewarding career. Security Masters Limited offers a nationwide 24-hour service of local locksmiths, security installation services and Locksmith training.
Crocus Moon — OMG Mark is a LEGEND! I had the worse night and Security Masters Limited have come today.explained everything. Fair and honest