Clyde & Co has boosted its regulatory and investigations group with the hire of a partner who successfully acted for Barclays traders during the Libor scandal.

Charles Kuhn, who joins Clydes from criminal law and human rights firm Hickman & Rose, is best known for acting for Ryan Reich, who the Serious Fraud Office alleged had attempt to rig benchmark borrowing rates.

Kuhn spent four years with Hickman & Rose and prior to that was a barrister with the Financial Conduct Authority for three years. Between 2002 and 2004, he was an associate at Clydes.

Commenting on the appointment, head of Clydes' regulatory and investigations group John Whittaker said: "We're very pleased to welcome Charles back to the firm. In recent years he has firmly established himself as one of the leading lawyers in the regulatory and financial crime space.

"Regulatory compliance and investigations are increasingly material and relevant for businesses across the firm's core sectors. The growing regulatory burden is beginning to blur the line between civil and criminal law, so having Charles' expertise on hand will prove a real asset to our regulatory and investigations group."

His hire takes the number of lawyers in Clydes' regulatory and investigations group to nine partners across London, Dubai, Singapore, Hong Kong, Canada and the US.

Clydes has been on an expansion drive in recent months, signing an associations in New Zealand and Malaysia, as well as opening a Bristol office. The firm is also looking to bolster its presence on the US West Coast and is in talks with up to 25 Sedgwick partners ahead of that firm's planned closure at the end of the year.