Graylings has lobbied for some of Britain's leading companies, like
National Grid and
BT, and has carried out PR work for
Belarus. Chadlington would also advise private equity companies on issues being examined by the Commons
Treasury Select Committee as well as prime senior figures from
private equity firms such as
Permira,
KKR,
3i and the Carlyle Group before they appeared before the Treasury Select Committee. ==Political connections==