[3] In March 1998 Pistoia–Pescia and San Miniato withdrew from Casse Toscane,[4] after Lucca, Pisa, Livorno and BM Lucca left in 1995 (forming Casse del Tirreno);[5] A minority interests of 25% was sold to another Tuscan bank Banca Monte dei Paschi di Siena (Banca MPS) in 1999, with the ente retained the remain 75% (Finanziaria CRSM S.p.A., a wholly owned subsidiary of the ente, owned about 62.83% shares of the bank, which was renamed to Grifoni CRSM S.p.A.).

[6][7][8] From 1997 to 1999, San Miniato was the third largest bank in the Province of Pisa, with an average market share of 18.5% in terms of deposits.

The banking foundation through direct and indirectly ownership (Grifoni CRSM S.p.A.), held 54.77% shares, as the largest shareholder.

[10] In 2017 it was announced that Crédit Agricole Italia has interested to acquire the bank, which a process of due diligence was started in the same year.

A contract was signed on 29 September, with FITD voluntary scheme was responsible to recapitalize and clean up the non-performing loans before handover.