LCH.Clearnet, the clearing house forced to write off a €47.8m ($61.2m) technology project in July, today said revenues rose by two-thirds and profits more than trebled in the first half, less than two months after the departure of its long-serving chief executive, David Hardy.

The largest clearing house in Europe said that for the first six months of this year its total revenues increased 63% to €608.7m compared with the same period last year.