
Ranking: 310
Worth: £236m
Industry: Pubs
Watford-based J D Wetherspoon is meeting the ban on smoking by opening new pubs. It follows an increase in sales at its Scottish pubs where smoking was outlawed. Martin, 52, Wetherspoons chairman, has a stake worth nearly £230m and other assets.
Ranking: 455
Worth: £123m
Industry: Pubs