They also make use of offshore tax structures to minimise their taxes, such as the £302m profit from selling Auto Trader magazine.
https://blogs.spectator.co.uk/2016/04/will-the-guardian-now-...
https://blogs.spectator.co.uk/2016/04/will-the-guardian-now-...
A report by the Guardian on the very same topic.
2) It did make this deal offshore but it didn't save then tax. Good links above on this