analysis this provides a discussion of the factors underpinning credit rating s and should be read in conjunction with our opinion most recent ratings other research specific australia change programme efficiency measures system improvements while these are showing some initial gains customer satisfaction staff morale issues remain areas identified by bank as needing to addressed cba owns asb new zealand rated aa3 prime 1 c which enjoys an entrenched position nation largest city strong low risk profile is well positioned withstand any economic slowdown appears increasing possibility issuer provided on moodys com click here link commonwealth overview for its debt deposits has been assigned financial strength bfsr b reflect franchises home market generally asset quality supported emphasis residential mortgage lending