Cassa di Risparmio di Pistoia e Pescia was found in 1936 by the merger of Cassa di Risparmio di Pistoia and Pescia. The bank also absorbed Banca di Pistoia in 1932, and Pistoia Mount of Piety in 1937.
Due to Legge Amato, the bank was split into a società per azioni, and a non-profit organization on 13 April 1992. At that time around 17.748% of the shares were "saving shares". The ente also immediately sold around 51% shares to an intermediate holding company Holding Casse Toscane , which consists of the saving bank of Florence, Livorno, Lucca, Pisa, San Miniato as well as Banca del Monte di Lucca. In return the ente received around 10% shares of the holding, making the ente hold about 31.525% of the shares of the bank directly or about 36.4% combined, as well as minority interests in other banks. In 1995 CR Lucca, Livorno and Pisa, as well as Banca del Monte di Lucca, formed their own banking group, leaving Florence, Pistoia–Pescia and San Miniato in Casse Toscane.
Banca CR Firenze
In March 1998 Pistoia–Pescia and San Miniato were demerged from Casse Toscane as Finanziaria CRPT and Finanziaria CRSM respectively. In November Finanziaria CRPT, which hold 11,357,012 ordinary shares of the bank, was merged back to CR Pistoia–Pescia. In December 1999Florence Saving Bank purchased 51% of the ordinary shares, with the foundation retained a minority interests only. The foundation also owned 3.95% shares of Banca CR Firenze, due to the acquisition. In 2005 Banca CR Firenze purchased an additional 9% ordinary shares from the foundation for €32,533,751.25. The foundation retained 74,151,005 ordinary shares and 15,200,000 preferred shares as at 31 December 2006 for €0.63 par value, which equivalent to 39.65% total share capitals.
Intesa Sanpaolo
The Saving bank of Pistoia and Pescia followed Banca CR Firenze merged into banking group Intesa Sanpaolo on 29 January 2008. The foundation sold 44,275,505 ordinary and saving shares for about €84 million in January 2012. In 2012, the bank was renamed into Cassa di Risparmio di Pistoia e della Lucchesia, as the branches of the bank was extended from the Province of Pistoia to the Province of Lucca and the Province of Massa–Carrara, by selling 3 branches in the Province of Pistoia and all branches in the Provinces of Florence, Prato and Bologna to sister companies. After the deals the number of shares was increased from 225,377,500 to 272,771,873, which Banca CR Firenze hold 74.883%, Intesa Sanpaolo hold 8.105% and the foundation hold 16.525% ; preferred shares were converted to ordinary shares. As at 31 December 2014, the foundation also owned 0.01413% shares of Intesa Sanpaolo.