Banca Mifel SA Multiple Banking Institution Grupo Financiero Mifel Multiple banking institution, established on December 3, 1993, joining the initial syllables of Mike Feldman, Mexican philanthropist and founder of Financiera Mejora y Fomento Mifel, who laid the foundations for this group in the early 1990s. 1950s. Mifel became the first institution to obtain a new banking concession after the privatization of banking in Mexico, and in less than a decade it opened subsidiaries in banking, leasing, factoring and the operation of investment companies.