Sompo | 101,420 followers on LinkedIn. We are Sompo, a global provider of commercial and consumer property, casualty, and specialty insurance and reinsurance. Building on the 135 years of innovation of our parent company, Sompo Holdings, Inc., we are home to approximately 9,500 people around the world who use their in-depth knowledge and expertise to help simplify and resolve your complex challenges. Because when you choose Sompo, you choose The Ease of Expertise™.