Firmenich, a privately-owned perfume and taste company, completed its acquisition of DRT, a plant-based chemistry company, from Ardian and Tikehau Capital, for $1.9bn. "This acquisition affirms our commitment to becoming a global leader in renewable ingredients as we meet the growing demand for sustainable products in Perfumery and beyond. Above all, we look forward to working with our long-time partners and welcoming all DRT employees to Firmenich," Gilbert Ghostine, Firmenich CEO.