Banca Sella Holding S.p.A. is an Italian holding company for the Banca Sella Group. The main company of the group was Banca Sella S.p.A., an Italian bank based in Biella, Piedmont. According to a research by Mediobanca, Banca Sella Group was ranked the 20th largest bank in Italy by total assets as of 31 December 2016.