Revenue at the support services firm reached £673 million for the first half of the year, up from £488 million the year before.
Pre-tax profits soared by around 48 per cent increasing from £26.4 million to £39.2 million.
The support services company also soared in profit, with pre-tax profits increasing from £26.4 million to £39.2 million – a rise of around 48 per cent.
The group’s chief executive Peter Rogers said that the company had grown largely through the acquisition of Devonport Management Limited, which left the company as the leading provider to the Royal Navy.
There was also organic growth during the half-year, but the group was hit by the poor performance of its rail division.