Robertson, the construction, development and facilities management group, has fallen £2m into the red for the year ended 30 November 2008
The pre-tax loss compares to a profit of £5.7m the previous year.
The company, which is based in Scotland and northern England, posted a 4% fall in turnover to £157m.
Despite the loss, Bill Robertson, the executive chairman, was upbeat. He said: “We have created businesses that are progressive and forward thinking. This will allow us to meet these challenges and position ourselves effectively to continue to expand throughout the next growth cycle for the industry.”
Robertson Homes, a separate housing business, made a £8.1m loss after what the company called “significant” writedowns, turning over £38m.