RBS Securities Inc. (formerly Greenwich Capital Markets Inc., trading as RBS Greenwich Capital) is the Royal Bank of Scotland Group's U.S. investment bank/broker-dealer based in Stamford, Connecticut that specializes in fixed income arbitrage and other fixed income strategies. It is a leading fixed-income capital markets firm, underwriter, trader, and distributor of fixed-income investment products providing a full range of debt financing, risk management and investment services to major corporations and financial and governmental institutions around the world. RBS Securities is also ranked consistently among the leaders in every asset class it trades. It is a primary dealer in US Treasury securities. It was founded in 1981 and is wholly owned by The Royal Bank of Scotland Group though its National Westminster Bank subsidiary in the UK.
Established in 1981, Greenwich Capital Markets was acquired by National Westminster Bank Plc in 1996, trading as Greenwich NatWest under the joint management of co-chief executives Gary Holloway and Konrad "Chip" Kruger, until 2000, when National Westminster Bank was taken over by the Royal Bank of Scotland Group. It became RBS Securities Inc. in 2009, prior to which time it had traded as RBS Greenwich Capital.
In 2007, RBS was named Currency Derivatives House of the year by RISK Magazine, was named the top North American Securitization house by IFR Magazine, and also ranked 5th in FX market share in the US. By market capitalization as of March 7, 2007, RBS was the second largest bank in the UK and in Europe and ranks fifth worldwide.