Arch Insurance Group is a division of Arch Capital Group, which provides a range of insurance and reinsurance services through its wholly owned subsidiaries. Arch Insurance Group offers a variety of business writing services and insurance products policies. It serves corporations, professional firms and financial institutions throughout the United States and Canada. The group also operates insurance and specialty and excess and surplus insurance companies. Headquartered in New York City, the company maintains offices in Atlanta, Chicago and San Francisco. In addition, Arch Insurance Group offers coverage for builders risk, construction, executive assurance, workers compensation, property, railroad, health care, national accounts causality, professional liability, and travel and accident.