I presume you are referring to the fact that G4S and Serco have both been overcharging the government for services, even claiming for dead people. That's what you get when you put vital services out to tender.
As a result of the scandals with companies like G4S & A4e, I know get extremely suspicious of any company with a 4 or 2, instead of four & two, in the name! It shouts cutting costs to the minimum at the expense of quality & Directors living in mansions off the profits which should, with more efficient management, have gone to the public purse.