Circularise, set up in 2016 by Mesbah Sabur and Jordi de Vos, is a Dutch software provider driving the circular economy through blockchain-based supply chain traceability. Its platform enables end-to-end material tracking, digital product passports (DPPs), and mass balance bookkeeping, ensuring transparency for chemicals, plastics, battery materials, and metals. Using patented Smart Questioning technology, Circularise secures sensitive data while providing audit-ready insights for sustainability and compliance with regulations like ISCC EU, ISCC PLUS, and the EU Battery Passport. The platform supports lifecycle assessments (LCAs) and carbon footprint calculations, helping brands like Porsche and Covestro enhance supply chain transparency and reduce emissions. Recognized by the Alliance to End Plastic Waste and a finalist in BASF’s Circularity Challenge, Circularise serves global industries, fostering sustainable practices without compromising data privacy.