Waste management specialist Augean's profit before tax increased by 1% to £3.1m in the six months to the end of June.
EBITDA increased by 15% to £6.7m. Net operating cash flows decreased by 19% to £5.3m (2015: £6.6m) and return on capital employed decreased to 11.4%, from 11.7% in 2015.
Basic earnings per share increased by 5% to 2.42p (2015: 2.30p).
Net debt increased to £12.9m, from £4.3m at December 2015 (£3.0m at June 2015), with £8.9m increase due to the acquisition of Colt Holdings in the period/
The group expects its full year performance to be in line with management forecasts.
Chief executive Dr Stewart Davies said: "The group has performed well in the first half of 2016, with particularly strong performances from its Energy & Construction and Industry & Infrastructure businesses.
"The Group is well-placed to continue to take advantage of growth opportunities and to deliver profit growth for 2016, in particular due to additional APCR volumes secured in the first half and the integration of the Colt Holdings acquisition."
At 9:23am: (LON:AUG) Augean PLC share price was -2p at 48.25p