Run and part owned by the Francis and Liam Cullen with a major share held by Amcomri Investments Ltd (Paul McGowan). Profiles at https://mercurysecurity.biz/the-mercury-team/
Joined IPC in July 2016 and claim to be Northern Ireland’s biggest independent security management company. Parking management just one of the services they offer but low profile.
Address: Mercury House, 7 Portman Business Park, Lisburn BT28 2XF