MITIE, the facilities management company, has seen revenues grow 5.8% in the six months to the end of September, compared to the equivalent period of 2010.Revenue for the half year hit £971.7m.The firm, which provides services like waste management, security and energy efficiency certification for clients' buildings, also achieved profit before tax of £43.3m, a rise of 17.3%. On adding "other items", however, the profit figure is not quite as spectacular, growing at just 0.8%.Significant contract wins in the period include deals with the Ministry of Justice, Essex County Council and Diageo.Organic order book development has risen 17.6% to £8bnCommenting on the results, MITIE's chief executive Ruby McGregor-Smith said"The first half of this year has seen us deliver a strong set of financial results. We have been awarded a number of significant contracts which have enhanced our business....our focus is on developing existing client relationships and maximising opportunities to deliver value in energy services."She added that the firm was "mindful of the challenging economic environment."