LONDON, January 05, 2024--AM Best has affirmed the Financial Strength Rating of A (Excellent) and the Long-Term Issuer Credit Ratings of "a+" (Excellent) of Royal & Sun Alliance Insurance Limited (RSAI) (United Kingdom), RSA Insurance Ireland DAC (RSAI Ireland) (Ireland), RSA Luxembourg S.A. (RSAL) (Luxembourg), Royal & Sun Alliance Reinsurance Limited (RSA Re) (United Kingdom) and The Marine Insurance Company Limited (MIC) (United Kingdom). All five entities are wholly owned subsidiaries of RSA