The campaign against G4S' planned takeover of the Yorkshire and Humberside housing contracts really got started with the publication of a letter in the Yorkshire Post, undersigned by 28 academics, detailing their concerns about G4S' dubious track record. You can read the original letter here.
G4S' weren't particularly happy with their portrayal, especially in a well-read regional newspaper. On the back foot, they responded to their critics with the following letter.
However, our supportive academics responded brilliantly, picking apart the corporate jargon that dominated G4S' letter. Their document deserves to be reproduced in full: