Nature Group PLC, through its subsidiaries, operates as a maritime, and oil and gas waste collection and treatment company. The company is involved in the provision of reception and treatment services for oily and polluted wastewaters; ownership and application of intellectual and proprietary rights related to such treatment; and reception and treatment plants for oily waste in onshore and offshore locations. Its oil and gas solutions include provision of offshore slop treatment services that can treat liquid waste produced on a rig from drilling slop to brine/seawater and wastewater; design, manufacture, and engineering of custom-made waste treatment solutions; and operation of compact treatment units and sludge treatment units. The company’s maritime solutions include provision of waste collection and disposal services; and operation of barge cleaning and port waste reception facilities. It has operations in the Netherlands, the United States, the United Kingdom, and Norway. The company was incorporated in 2000 and is based in St. Helier, the Channel Islands. As of June 19, 2019, Nature Group PLC operates as a subsidiary of Port Invest B.V.