Solvay is a Belgian-French multinational chemical company established in 1863, with its headquarters located in Neder-Over-Heembeek, Brussels, Belgium. Since the end of 2023, following its demerger with the creation of the new Syensqo entity, Solvay has specialized in essential chemistry and employs over 9,000 people in 40 countries. In 2023, Solvay reached €4,880 million in revenues and €1,246 million of underlying EBITDA. Solvay is listed on Euronext Brussels. Wikipedia