Celtic Renewables is a biotechnology and green chemicals company transforming low-value by-products, residues and waste from sectors such as food, drink and agriculture into sustainable bio-based chemicals. Using its patented Acetone-Butanol-Ethanol fermentation process, the company produces bio acetone, bio butanol and bio ethanol that can replace fossil fuel-derived chemicals in products including cosmetics, cleaning products, paints, pharmaceuticals and speciality chemicals. Its services include sustainable waste treatment, circular-economy feedstock conversion and the supply of lower-carbon chemical alternatives, helping industrial customers reduce emissions and progress towards net zero goals.