Contracting activities produced an operating profit of almost ВЈ43m for the year ended 31 October 2008, on a turnover of ВЈ1.25bn.
That put it comfortably ahead of Newarthill's wind energy arm, which posted an operating loss of ВЈ2.8m as it suffered the ill-effects of the credit crunch in the US.
Last year the wind energy arm was the company's top earner, ahead of Sir Robert McAlpine, with an operating profit of ВЈ27.1m, compared to the ВЈ24.7m generated by the contracting arm.
In a review of the business, directors described McAlpine's performance as вЂњanother satisfactory yearвЂќ. It added that the bulk of its ВЈ1.25bn turnover came from the retail, commercial, education and leisure sectors.ADVERTISEMENT
The review added that the contractor's forward order book, which includes a contract to design and build the ВЈ547m main stadium for the London 2012 Olympics, is at a вЂњhigh levelвЂќ.
Overall turnover for the Newarthill group stood at nearly ВЈ1.7bn for the year, down slightly from just over ВЈ1.8bn for the previous year. Meanwhile pre-tax profit dropped 28% from ВЈ45.9m in 2007 to just over ВЈ33m in 2008.
Cash and short term deposits at the company stood at ВЈ302m, with continuing investment in PFI and wind energy causing total bank debt to rise to ВЈ589m.
The company employed an average number of 2,937 people for the year, while the highest-paid director received ВЈ1,242,643 вЂ“ a 56% pay rise on the previous year.