Underlying profit, stated before amortization of intangible assets, was £142.8m compared to £92.6m in 2010. This represents underlying earnings per share, on a diluted basis, of 8.91 pence, compared to 6.05 pence in 2010.
Revenue for the six months was £385.9m, up 30.9% compared to £294.9m in the year ago period.
Assets under management at period end totaled £181.2bn compared to £170.9bn a year ago.
The firm said outflows from more traditional fixed income funds have seen a dramatic slowdown, with £600m leaving the investment category during the half-year compared with £2bn at the end of 2010.
Performance fees more than doubled to £19.1m, while recurring management fees rose 28% to £366.5m.
Aberdeen said its board has said to pay an interim dividend of 3.8 pence per share, an increase of 19% on the 2010 interim payment.
