LONDON--(BUSINESS WIRE)--A.M. Best has affirmed the financial strength rating (FSR) of A (Excellent) and the issuer credit rating (ICR) of “a+” of Lloyd’s Syndicate 2010 (United Kingdom). The outlook for the ratings remains positive. The syndicate’s ratings and outlook primarily reflect the financial strength of the Lloyd’s market, which underpins the security of all Lloyd’s syndicates. In addition, the syndicate has a track record of strong performance. The syndicate is managed by Cathedral Un