Lab & Consulting Services


The Lab & Consulting department holds approx. 40 employees and is divided in 5 main divisions offering services in biodegradability, compostability and ecotoxicity testing, physico-chemical characterization of compost and soil, consultancy and support in anaerobic digestion, auditing, controlling and sorting of different waste streams and transition to sustainability. Testing is done under conditions of strict quality control and confidentiality (ISO 17025) and with an independent and objective scientific approach. OWS is an active member of several normalization organizations such as CEN, ISO, ASTM and DIN and the official Belgian delegate of several CEN and ISO committees. In this capacity OWS has developed several standard methods and is project leader of some new standards in development. In the area of consulting services OWS is providing assistance to various clients, both private and governmental, in the field of recycling, integrated waste management, waste composition, home and industrial composting, management of organic waste and information on market and legislative developments in home and industrial composting and anaerobic digestion. OWS is offering testing and consulting services on a world-wide basis through its fully-owned subsidiary OWS Inc. in Dayton, Ohio (USA) and a strong partnership with DJK International in Tokyo, Japan.

For an overview of our services, please watch our corporate movie below.

About OWS

About OWS

OWS is a world leading company in the construction and operation of anaerobic digestion plants, in the biodegradability and compostability testing of products and materials, and in waste management consultancy.