Yorkshire-headquartered Augean said the division was dealing directly with oil and gas operators and top-tier customers more often.
The subsidiary − Augean North Sea Services (ANSS) − is also profiting from an uptick in decommissioning work in the UK Continental Shelf.
ANSS was launched in 2012 and has operations in Aberdeen, Dundee, Great Yarmouth and Lerwick.
Augean (LON:AUG) was formed in August 2004 and listed on the Alternative Investment Market (AIM). The Group strategy is to build and grow a specialist company competent to deliver extremely high standards of service to our clients underpinned by modern technology led infrastructure and to become the market leader in delivering solutions to difficult to handle waste streams from industrial society. Gresham House Strategic PLC (LON:GHS) has a 12.40% ownership of Augean as of June 2018.