PEMBROKE, Bermuda--(BUSINESS WIRE)--Premia Holdings Ltd. has completed the acquisition of Ramius Enterprise Luxembourg Holdco S.à r.l. and its subsidiaries, including property and casualty reinsurer Cowen Reinsurance S.A. ( “Cowen Reinsurance”). Cowen Reinsurance has been renamed Premia Reinsurance Europe S.A. Bill O'Farrell, Group Chief Executive Officer of Premia, noted “We are pleased to close this important transaction with TD Bank. This acquisition provides our clients with a local profess.