SINGAPORE–(BUSINESS WIRE)–A.M. Best has upgraded the Financial Strength Rating to B+ (Good) from B (Fair) and the Long-Term Issuer Credit Rating to “bbb-” from “bb+” of Health Services Welfare Society Limited (New Zealand), trading as Accuro Health Insurance (Accuro). The outlook of these Credit Ratings (ratings) has been revised to stable from positive. The ratings reflect Accuro’s balance sheet strength, which A.M. Best categorizes as adequate, as well as its adequate operating performance,