Laing O’Rourke is today to unveil a 30% rise in pretax profits and confirm expectations of similar levels of growth in 2008. Financial Times

Revenues in the year to 31 March rose by a third to £3.5bn and the group said it was targeting gross margins of 8%. Net margins were 1.78%, which analysts said were in line with the rest of the construction industry.

Laing said its forward-order book had risen from £5.6bn to £8.4bn but that this could easily increase by 25% just from contract extensions.