A4 Holding S.p.A. known as Gruppo A4 Holding (previously as Serenissima Group), is an Italian holding company based in Verona, Veneto region. The company owned Autostrada Brescia Verona Vicenza Padova (100%), the operator of Brescia–Padua section of Autostrada A4 and Autostrada A31 (Rovigo via Vicenza to Piovene Rocchette), as well as an equity interests in Autostrada del Brennero, the operator of Autostrada A22 (Modena to Brenner Pass; 4.2327% stake via Serenissima Partecipazioni which A4 Holding owned 99.999% stake) and Autostrade Lombarde, the parent company of the operator of Autostrada A35 (Brescia to Milan; 4.90% stake via Autostrada Brescia–Padova). More information...
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