Allied World Assurance Co. Holdings AG engages in the provision of insurance and reinsurance solutions. It operates through the following segments: North American Insurance, Global Markets Insurance, and Reinsurance. The North American Insurance segment offers general property and healthcare assistance products. The Global Markets Insurance segment caters to professional liabilities, marine, aviation, and on-shore construction operations. The Reinsurance segment includes property and casualty assurance services. The company was founded on November 13, 2001 and is headquartered in Zug, Switzerland.