Zen Pay­roll was one of three main pay­roll pur­vey­ors to Zen­e­fits – now that is over Zen Pay­roll is now Gus­to and have a healthy appetite for com­pe­ti­tion They are now in the ben­e­fits game – and Zen­e­fits has said they are in the pay­roll game (while not say­ing it at the same time), even as they are sued and coun­ter­su­ing ADP