When will they learn?
If you are spending £900m on it and it is pretty much your "means of production", IT is a core competency. You cannot afford to palm it off to some third party as if it is workaday stuff like desktop support or cleaning. It's not like you're going to be using that much off the shelf software because having a monopoly on tax collection is pretty much the definition of a national tax agency. HMRC is a software company, they should embrace that.
Biting the hand that feeds IT
