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About Us


The founders of Maxum Specialty Insurance Group, driven by collective values of integrity, excellence and success, established the company in January 2003. It was created to provide creative underwriting for hard-to-place risks. Maxum was acquired by The Hartford on August 1, 2016 to be run as a separate unit.

Today Maxum Specialty Insurance Group is comprised of Maxum Indemnity Company—a non-admitted, excess and surplus lines insurer authorized in 49 states, the District of Columbia, the territories of Puerto Rico and the U.S. Virgin Islands, and Maxum Casualty Insurance Company, an admitted insurer licensed in 50 states. Both Companies are domiciled in Connecticut and wholly owned subsidiaries of Hartford Fire Insurance Company, which is a wholly owned subsidiary of The Hartford Financial Services Group, Inc.

We are focused on providing quality specialty property and casualty insurance products, serving the needs of several distinct markets through our underwriting divisions: Binding, Casualty Brokerage, Management Liability, Professional Liability and Special Property.

Maxum now has A.M. Best Financial Strength Rating of A+ XV.

We only appoint a limited number of wholesale producers who share similar strategic values. These wholesale producers, in turn, serve retail insurance brokers who benefit from the expertise of our wholesale channel and Maxum’s own internal resources.