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Jim Milne and family
Offshore services, Construction
Rank 2017
45
Worth
£158m
Rise/fall
£53m

The youngest of nine children, Milne, 76, trained as an agricultural engineer before starting the Aberdeen-based Balmoral Group in 1980 with just five employees, designing and making glass-reinforced plastic products. In 2015-16 profits hit £40.9m on £134.5m sales. With £93.6m net assets, the company is worth £150m and is owned by Milne and his family trusts.