After leaving school, Henig went to work for his father's company, the Leicester wholesale textile distributors, Henig & Sons Limited, where he later became a director. He was elected as a Labour member to
Leicester City Council in 1945, and remained one until 1970. one of three Jewish men (the others being
Sir Israel Hart and Cecil Harris) who had been mayor or lord mayor of Leicester. In 1969, Henig was appointed to the
Royal Commission on the Constitution, headed by
Lord Crowther and later
Lord Kilbrandon which was set the task of examining the UK constitution. It produced a lengthy report four years later. In 1969, Henig was the first chairman of the English Tourist Board, a role in which he continued for ten years until his death in 1979. He was twice president of the Leicester Hebrew Congregation, and a passionate supporter of Israel. ==Honours and awards==