QBE Insurance Group has announced its acquisition of Winterthur US Holdings Inc (“Winterthur US”), a property and casualty insurer in the USA mainly trading under the names of General Casualty and Unigard for US$1.16 billion. This acquisition completes QBE’s strategy of building four major streams of business in the Americas: specialist insurance programmes, property and casualty insurance in regional markets, reinsurance and Latin America, QBE said in a statement. The acquisition of Winterthur US is subject to regulatory approval.