OIO Group, operating through its subsidiary Environmental Solutions (Asia) Pte.... OIO Group, operating through its subsidiary Environmental Solutions (Asia) Pte. Ltd., specializes in comprehensive services for waste management, treatment, and recycling. The company is actively involved in the collection and subsequent processing of both hazardous and non-hazardous industrial waste streams, serving a diverse clientele from sectors such as pharmaceuticals, semiconductors, petrochemicals, and electroplating. Established in 1999, the firm, which was previously known as ESGL Holdings Limited, adopted its current name, OIO Group, in March 2026 and maintains its headquarters in Singapore.
