
Ranking: 47=
Worth: £142m
Industry: Jewellery
Moussaieff opened a New Bond Street store in London last year. The family firm, which sells rare gems to its elite clientele, is owned by Sam Moussaieff, 83, and wife Alisa, 77. They also have property assets and other stores.
Ranking: 39=
Worth: £120m
Industry: Jewellery