HMRC's IT Estate
HMRC claims the largest IT estate in the UK and one of the 15 largest IT estates in the world. It has over 400 different tax systems, at least 7 different versions of SAP, and a whole host of specialist software that has grown up over time.
“We have bought one of every application, any vendor has ever sold over the past 50 years,” Pavitt revealed.
Download Phil Pavitt's PowerPoint presentation here