Atrium operates within the Lloyd's building in the heart of the City of London. Affiliated companies also have offices in North America.
Atrium Underwriters Ltd
1 Lime Street
Phone: (+44) 207 327 4877
Atrium Space Insurance Consortium
Atrium Risk Management Services (Washington) Ltd
Atrium Risk Management Services (Washington) Ltd, doing business in California as Atrium Insurance Management Services Ltd
One Sansome Street
Phone: (+1) 415 692 3687
Licensed as a Surplus Lines Broker (License # 0N00364) and Adjuster (License = 2N00364) in California.
Licensed as a Business Entity Producer in Illinois (License # 3001255486)