The main company of the group was Banca Sella S.p.A., an Italian bank based in Biella, Piedmont.

According to research by Mediobanca, Banca Sella Group was ranked the 18th largest bank in Italy by total assets as of 17 January 2022.

The senior managers of the bank was newly appointed Gaudenzio Sella, who remained at the helm of the institute until his death.

In 1949 the bank changed its name becoming a Società per azioni (limited company) and the brothers Ernesto and Giorgio Sella respectively assumed the position of chairman and CEO.

[6] In 2007 CBA Vita, a subsidiary of the group, with HDI Assicurazioni, creates InChiaro, a joint venture dedicated to bancassurance (insurance services that integrated with bank); in 2016 all shares held by Banca Sella Group in CBA Vita have been sold to HDI Assicurazioni.

In April 2009 a new subsidiary Sella Servizi Bancari was formed in order to centralize the back office of the group.