 Brunton went onto work for the 2nd Baron, Lord Thomson of Fleet Kenneth Thomson who succeeded his late father in 1976.Brunton served as Chief Executive of Thomson Newspapers & International Thomson Organisation Ltd (ITOL) Thomson Corporation from 1966-1984 during the Thomson period of global expansion and diversification into travel, oil, print, book, magazine, newspaper, trade and technical press and local directory publishing.By the late 1970s ITOL had become one of the largest and most influential companies in the world.