If you're interested in this sort of thing I can highly recommend a subscription to Private Eye magazine, which has been investigating dodgy shell companies and

If you're interested in this sort of thing I can highly recommend a subscription to Private Eye magazine, which has been investigating dodgy shell companies and who they are really connected to for years. (If you've never heard of Private Eye, it combines irreverent humour and hard-hitting investigative journalism, and has been the first to break many of the biggest stories in the British press)