German contractor Bilfinger Berger has acquired O鈥橦are Engineering as part of a strategy to expand its UK business.

Bilfinger Berger is believed to have paid about 拢30m for the firm, in Runcorn, Cheshire. O鈥橦are has a turnover of 拢40m and employs 600 people.

It specialises in repair and maintenance. Its biggest clients are in the petrochemical and waste treatment industries.

鈥� Interior Services Group ISG Asia Investment, a wholly owned subsidiary of Interior Services Group, has acquired Commtech Asia, a technical consultancy firm in Hong Kong for HK$18m (拢1.2m), with 20% deferred and subject to the business hitting certain profit targets.