Ercros is a Spanish chemical company that manufactures basic and intermediate chemicals and selected pharmaceutical products. Its portfolio spans chlor‑alkali products and chlorine derivatives used in water treatment and industrial applications, as well as formaldehyde and downstream derivatives, including resins and polyols such as pentaerythritol. The company also produces pharmaceutical intermediates and active ingredients.
Headquartered in Spain and operating multiple production sites, Ercros supplies domestic and international markets across sectors such as water management, coatings, adhesives, construction, and healthcare. The company is listed on the Spanish stock exchange and operates under certified quality, environmental, and occupational health and safety management systems.