In 1979, Broadbent was appointed Chevalier of the Ordre National du Mérite, as well as an honorary member of the Académie du Vin de Bordeaux and numerous other French wine associations. Among other positions held, Broadbent was Chairman of The Institute of Masters of Wine in 1970, Master of the Worshipful Company of Distillers, president of The International Wine and Food Society in 1986, president of the Wine &amp; Spirit Education Trust (WSET) 2007–2009 and Chairman of The Wine &amp; Spirit Trades' Benevolent Society in 1991. He also stood as Sheriff of the City of London in 1993. In 2006 he participated as a judge in the 30th anniversary repetition of the original "Judgment of Paris" wine tasting competition.