Mercury Security Management

Mercury Security Management Ltd was founded in 2001 by Belfast businessman Frank Cullen after he spotted a gap in the market for a quality security service in Northern Ireland.

Frank is supported in the business by sons Francis and Liam who joined Mercury as security guards in 2001 and 2006 respectively.  Both are now directors in the company which currently employs more than 400 staff throughout the UK and Ireland.

Sixteen years after Mercury began, the Lisburn-based company also has offices in Dublin, Limerick and London, and has established a strong reputation across the industry as a pioneer in the area of integrated security solutions – combining physical manpower with cutting edge technology to service an ever-growing client base all over Ireland and the UK.

In 2009, Mercury became the very first privately owned security company in Northern Ireland to be registered as an approved contractor by the governing body Security Industry Authority (SIA).

Mercury Security Management provides bespoke stand alone and integrated security solutions to clients across a number of sectors including retail, finance, government, residential, transport, public sector, hotels & Leisure and construction. 

The company’s expanding client list includes a host of household name companies and brands including Smyths Toys, HMV, NIHE, Lifestyle Sports, Almac Pharmaceuticals, DHL, and Belfast City Council.

Accredited services provided by Mercury include; Manned Static and Retail Guarding, Concierge Services, Event Security Planning and Management, Systems Maintenance, Burglar Alarm & Fire Monitoring, Key Holding and Alarm Response, Satellite Tracked Mobile Patrols, Staff and Vehicle Escort Services, Lone Worker Protection and Monitoring, Vehicle and Asset Tracking as well as the delivery of Approved and Accredited Training courses.


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