These are heady times for the world’s richest clans. Family offices scored average returns of 15.5 per cent last year, up from 7 per cent in 2016 and 0.3 per cent the prior year, according to UBS Group AG and Campden Wealth. Those in Asia led the way with a 16.4 per cent return in 2017, fuelled by soaring stock markets and private equity.
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