Arch Insurance Group is a division of Arch Capital Group Ltd.
One Liberty Plaza, 53rd Floor
New York, NY 10006
General phone: (212) 651-6500
Fax: (212) 651-6499

Arch Insurance Group – Operations Center
300 Plaza Three
Jersey City, NJ 07311
General phone: (201) 743-4000
Fax: (201) 743-4005
Toll Free: (866) 413-5550

If you have a customer complaint, please read this before contacting the company.


Arch Insurance Group is a specialty insurance company providing a wide variety of insurance services.  Their main group of clients includes corporations, professional firms, and financial institutions across the United States and Canada.  Arch Insurance offers property, casualty, construction, healthcare, and travel insurance, along with many other specialty insurance services.


Primary Contacts

Northeast Region
William J. Casey
One Liberty Plaza
53rd Floor
New York NY, 10006
(212) 271-8320

Southeast Region
Mark Lima
1125 Sanctuary Parkway
Suite 100
Alpharetta GA, 30009
(404) 682-3870

Central Region
William Palmer
311 South Wacker Drive
Suite 3700
Chicago IL, 60606
(312) 601-8410

Western Region
John P. Washington, Jr.
865 S. Figueroa Street
Suite 2700
Los Angeles CA, 90017
(213) 283-3559


Mark D. Lyons
(212) 651-6485 / (201) 743-3830

This information has been collected from publicly available resources and is believed to be accurate at the time of the last update. If any of this information is inaccurate, please email me

* Executives should only be contacted when your letter or email has not been acknowledged within six to eight weeks.