AmTrust, a multinational property and casualty insurer and carrier specializing in coverage for small businesses, completed the acquisition of the middle market management liability business of DUAL North America, a specialty program manager in property, casualty, and financial lines. Financial terms were not disclosed. "This acquisition represents an excellent, complementary addition to an already strong business at AmTrust. We're confident that in addition to being successful with the renewals, we will be able to grow the client base across new classes. The addition of this middle market team and portfolio is a definite enhancement to AmTrust's presence in the private management liability space," Jim Seymour, AmTrust EXEC Senior Vice President.