Zero History (Blue Ant #3) by William Gibson
Hollis Henry is broke.
Milgrim is owned.
Garreth can’t be bought.
And they all have something that global marketing magnate Hubertus Bigend needs/wants, as he finds himself outmaneuvered and adrift, after a Department of Defense contract for combat-wear turns out to be the gateway drug for arms dealers so shadowy they can out-Bigend Bigend himself.