OREANDA-NEWS. A.M. Best has affirmed the financial strength rating of A+ (Superior) and the issuer credit ratings (ICR) of “aa” of The Great-West Life Assurance Company (Winnipeg, Manitoba) and its affiliates, London Life Insurance Company (London, Ontario), The Canada Life Assurance Company (CLAC) (Toronto, Ontario), Great-West Life & Annuity Insurance Company (GWL&A) (Greenwood Village, CO) and Great-West Life & Annuity Insurance Company of New York (White Plains, NY) (together referred to as the Great-West Life Group). Concurrently, A.M. Best has affirmed the ICR of “a” and the existing issue ratings of Great-West Lifeco Inc. (Lifeco)