Costain has boosted turnover by 5% from 拢508.2m to 拢533.4m in the six months to 30 June 2010 as the group benefits from the relatively strong UK infrastructure market

Pre-tax profit rose by 19% from 拢6.9m to 拢8.2m , while its net cash improved from 拢119m to 拢134m.

Its order book has held steady at 拢2.5bn compared with the end of June 2009 and its wins in the first six months of this year include a five-year 拢115m joint venture maintenance managing agent contract (MAC) for the Highways Agency and a place on Crossrail鈥檚 four-year 拢100m advance works civils framework work.

The company said: 鈥淚t is testimony to the group鈥檚 strategic focus 鈥� [that] Costain continues to deliver a strong operational and financial performance.鈥�