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Ray O'Rourke and family
Construction
Rank 2017
34
Worth
€360m
Rise/fall
€63m

Laing O’Rourke is the civil engineering firm behind Heathrow’s Terminal 5, London’s 2012 Olympic Park and the construction of Crossrail stations across the capital. Co Mayo-born O’Rourke, 70, launched the business in 1978 with his brother Des. The Dartford, Kent-based company was renamed Laing O’Rourke in 2001 when it acquired the construction division of John Laing. But these are tough times for the business, which lost about €94m from a PFI hospital in Canada, and its profitable Australian division, run by son Cathal, 39, was put up for sale. The main business, owned by the O’Rourke family, recorded a pre-tax loss of €314m in 2015-16 on turnover of more than €1.8bn. There are €325m of assets in O’Rourke Investments Holdings (UK) and other assets and past salaries add €35m. Jersey-based O’Rourke received an honorary knighthood in 2011 for services to the UK construction industry.