Formed in October 1988, Rattner Mackenzie has achieved over 18 years of progressive growth and diversification.

In 1999 Rattner Mackenzie was purchased by HCC Insurance Holdings Inc. ("HCC"). HCC is an international insurance holding company and a leading specialty insurance group established in 1974.

HCC is rated AA (Very Strong) by Standard & Poor’s and A+ (Superior) by A.M. Best Company.