Complex sentence: R. O'Rourke established a comprehensive construction capability in 2001 when it bought "Laing Construction" from John Laing plc for £1: the name of the Company was changed to "Laing O'Rourke".
Split into simpler sentences: R. O'Rourke established a comprehensive construction capability in 2001 when it bought "Laing Construction" from John Laing plc for £1. The name of the Company was changed to "Laing O'Rourke".