Farrer & Co is a British law firm headquartered in London, England serving private individuals, charitable institutions and corporations.

[6][7][8] The firm operates across five main sectors: private wealth, businesses, financial services, not-for-profit, and education.

The firm continued to serve members of the Royal Family, including Queen Elizabeth II and Prince Charles, throughout the 20th century.

[6] The firm converted to a limited liability partnership (LLP) in 2006 and now employs around 400 people, including 77 partners.

[11] In 2012, Julian Pike, head of Farrer's Reputation Management practice, told a House of Commons Home Affairs Select Committee that he had advised News International to carry out surveillance of the phone-hacking victims' lawyers, Charlotte Harris and Mark Lewis.