Brilliant site that is a mixture of a database of people and corporations and governments etc. and tools to "connect the dots" between them.
For example, take a look at How Fracking Special Interests Infiltrate the UK Parliament
See also: My Little Crony
Select a country to view its performance relative to the Doughnut of social and planetary boundaries and see how it compares with other countries. Dark green circles show the social foundation and ecological ceiling. Blue wedges show social performance relative to a threshold associated with meeting basic needs.
How difficult is it to know data about the U.K? Check this out.