Aon Corp. said it will move its headquarters from Chicago to London as part of its global growth strategy.

Charlotte, N.C.-based AmWINS Group intends to acquire THB Group plc of London, as the company looks to expand its specialty insurance distribution efforts.

Old Mutual plc, a London-based financial services firm, is selling Baltimore-based U.S. life insurance unit to a New York private investment fund for $350 million.

Crawford & Co. announced several changes to the leadership of the insurance claims management firm.