US-based property and casualty wholesale broker AmWINS Group has acquired Gresham & Associates, for an undisclosed sum.

As part of the merger agreement, Gresham & Associates president Tony Gresham will assume the additional role as CEO, while Jim Gresham will continue as chairman.

Established in 1979, Gresham & Associates is a managing general agents (MGA) and wholesale brokerages and had placed $340m in premium in 2012.

AmWINS Group is an international specialty distributor of insurance products and services and provides diversified mix of property, casualty and group benefits products.

The company also manages more than $7.5bn in premium per annum with the help of 2,800 employees situated in 18 geographies.

It operates through four divisions, namely Brokerage, Underwriting, Group Benefits and International.