Блок Юлии Тимошенко
In the 1998 Ukrainian parliamentary election, Sushkevych was elected for Hromada. In the 2002 Ukrainian parliamentary election for For United Ukraine!, although in parliament he joined the Yulia Tymoshenko Bloc faction. In the 2006 Ukrainian parliamentary election and 2007 Ukrainian parliamentary election Sushkevych was re-elected to parliament for the Yulia Tymoshenko Bloc. In the 2012 Ukrainian parliamentary election he was elected to parliament for Batkivshchyna.