Atrium Underwriters Ltd Information

Atrium is a leading (re)insurance group at Lloyd's, the world's specialist insurance market. With a proud history going back to the 1930s, we protect our clients around the world from the risks they face. Atrium is ranked as one of the top-performing Lloyd’s Syndicates of the past decade, measured by high profitability and low volatility, achieving substantial growth whilst generating value for the Group. Syndicate 609 and Syndicate 2026 write a diversified insurance and reinsurance portfolio across the Property, Casualty, and Specialty business groups.