LONDON--(BUSINESS WIRE)--A.M. Best has affirmed the financial strength rating of B++ (Good) and the issuer credit rating of “bbb” of SCHWARZMEER UND OSTSEE Versicherungs-Aktiengesellschaft (SOVAG) (Germany). The outlook for both ratings remains negative. The ratings reflect the company’s adequate risk-adjusted capitalisation, historically poor technical results and niche business profile as a specialist insurer of Russian risks within Europe. SOVAG’s new business model partially offset some of