Uncategorized G4S buys ISS to become the worlds biggest security company 17/10/2011 by blogadmin Security company G4S has agreed to buy its Danish rival ISS in a deal worth £5.2bn, to create the world’s biggest security and facilities services group. G4S has today agreed to pay £1.53bn to ISS, a privately owned company, and take on 3.76 billion pounds worth of ISS debt. The deal has been agreed and the […] Read more » largest security company in the world