(ShareCast News) - PipeHawk said it has posted a wider full-year pre-tax loss of £1.02m, from a loss of £753,000. Revenue was higher at £4.8m, from £4.6m, in what the company described as a "very challenging" year."The PipeHawk Group remains committed to creating sustainable earnings-based growth and focusing on the expansion of its business with forward-looking products and services," said chairman Gordon Watt in a statement."Despite the very challenging year just endured, I remain optimistic in my outlook for the group," Watt said.