The Group's principal area of focus is health, which provides marketing and medical communications services to healthcare clients, which are primarily large and mid-size pharmaceutical and biotech companies.

Huntsworth is owned by private investment firm Clayton, Dubilier & Rice.

Graylings has lobbied for some of Britain's leading companies, like National Grid and BT,[2] and has carried out PR work for Belarus.

[3] When working for Huntsworth, its founder Lord Chadlington personally lobbied for several clients, including the London Stock Exchange, Associated British Foods and the Carlyle Group.

[4] Chadlington would also advise private equity companies on issues being examined by the Commons Treasury Select Committee[5] 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.