COMSOL provides multiphysics simulation software, serving various industries such as automotive, aerospace, and biomedical. The company's software is used to simulate complex phenomena, including structural mechanics, heat transfer, and fluid dynamics. COMSOL's key product is COMSOL Multiphysics, a simulation platform that allows users to model and analyze complex systems. The company has a global presence, with a strong market position in the simulation software industry. COMSOL's software is used by major companies, research institutions, and universities worldwide, providing a valuable tool for product design, optimization, and research.