Českomoravská stavební spořitelna, a.s. is the biggest building society in the Czech Republic. Since it started operating in 1993, ČMSS has concluded approximately 8 million building savings contracts and provided its clients with more than 1.1 million housing loans. Nearly 2,000 reputable sales representatives constitute the ČMSS sales network. ČMSS is a member of ČSOB group. In April 2019, Československá obchodní banka, a. s. (ČSOB) became its sole shareholder.