For years wealth managers have been advising clients to diversify their asset holdings based on asset types, however clients should also diversify banking systems, currencies and global market exposure. Reliance on the US banking system means clients are vulnerable to a repeat of 2008/9. By placing part of their assets in the Swiss banking system they are reducing the risk in the portfolio by utilizing a custodian bank in Switzerland. Furthermore, clients are choosing Switzerland because of its economic and political stability, dating back over hundreds of years.