MEXICO CITY–(BUSINESS WIRE)–A.M. Best has assigned a Financial Strength Rating of A (Excellent), a Long-Term Issuer Credit Rating of “a” and a Mexico National Scale Rating of “aaa.MX” to MAPFRE Fianzas, S.A. (MF) (Mexico City, Mexico). The outlook assigned to these Credit Ratings (ratings) is stable. The ratings of MF recognize its status as a group member of MAPFRE S.A., the leading insurer in Spain, as well as the synergies and operating efficiencies derived from this affiliation. The ratin