Mohsin and Zuber Issa said the deal to acquire the 70-strong Leon restaurant chain offered EG Group “fantastic opportunities” to build out its network, including drive-through and forecourt sites. 

The healthy-eating fast-food chain was founded in London in 2004 by by John Vincent, its chief executive, Henry Dimbleby and chef Allegra McEvedy, both of whom left the business a few years later.