OWS is a private company under Belgian law, constituted in 1988. OWS is specialized in biological treatment of solid and semi-solid organic substrates by means of anaerobic digestion and has so far designed and built 30+ large-scale anaerobic digestion plants on a worldwide scale.
In addition, OWS has also 25+ years of experience in the field of biodegradability and compostability testing and has since tested 2500+ materials for 750+ clients all over the world, including BASF, Biotec, Corbion, Duni, FKuR, Huhtamaki, Innovia, Kimberly-Clark, Lavazza, Limagrain, Mitsubishi Chemical, NatureWorks, Nestlé, Novamont, P&G, Showa Denko, Stora Enso, Sun Chemical, Tetra Pak, Unilever, UPM, Wacker and many more.
All testing is performed under conditions of strict quality control and confidentiality and with an independent and objective scientific approach. Materials tested include polymers, paper & board, packaging, consumer goods, food service ware, films & bags, inks, additives, adhesive, etc.
With an ISO 17025 accreditation at hand, OWS is the only laboratory worldwide which is recognized by all certification bodies active in the field of biodegradability and compostability, i.e. Vinçotte and DIN CERTCO in Europe, BPI in the US, JBPA in Japan, ABA in Australia, etc.