I would expect the Chairman of the Home Affairs Committee to know a little more about this issue than yourself, so pardon me if I tend to believe him. Much more likely that you are being silly, I think.
*".. two forces have invited bids from firms including G4S, the world's largest security firm, to deliver a number of services currently undertaken by the police. They include responding to and investigating incidents, supporting victims and witnesses, managing high-risk individuals and patrolling neighbourhoods."*
Certainly doesn't sound like just 'back-office, or the stuff you quote about supplying uniforms etc (you forgot pencils and paper in your rather desperate comparison!).