Television production company Whisper Group, founded by Jake Humphrey and David Coulthard, is in talks with potential buyers for a sale. The company, known for its sports productions, is open to various options including the sale of a majority or minority stake. Whisper is already 30%-owned by Sony Pictures Television and is working with corporate financiers at KPMG on the sale. The company is focused on expanding in sport, events, and international markets.