Cardano, the Dutch pensions manager that brought its all-in investment service to the Britain three years go, has released results showing its UK clients have grown investments by a fifth over two years beating their benchmarks and the market .

The Dutch firm said its UK clients have made around 22% on their money, on average, in the two years to June 30; this is the period it has been running their funds. Over the same timeframe, a composite of these clients' liability benchmarks - an approximation of the pensions bills they must pay - rose by about 20%.