HSBC Guyerzeller Bank AG, a member of the HSBC Group, was a Swiss private bank advising individuals and families in all matters of wealth management, investment advice and trust services. Its head office was in Zürich, and it had two branches in Geneva, as well as representative offices in Hong Kong and Istanbul. It had 360 employees and about CHF 29 billion in assets under management. It is now subsumed under HSBC Private Bank.
History
In 1894 Adolf Guyer-Zeller, an engineer and one of the pioneers of the Swiss railways, founded Bank Guyerzeller A.G. to finance the construction of the railway line to the top of the Jungfrau mountain.
In 1959 Zurmont Bank A G. (est. 1957), the Swiss subsidiary of the London Merchant Bank Samuel Montagu & Co., merged in Neue Guyerzeller Bank A G. (est. 1939 as a successor to Bank Guyerzeller) to form Guyerzeller Zurmont Bank AG. When HSBC acquired Midland Bank in 1992, Guyerzeller became a member of the HSBC Group. Midland Bank had become the majority shareholder of Guyerzeller Bank when it acquired Samuel Montagu & Co.
In 1997 Guyerzeller Bank integrated in Trinkaus & Burkhardt (Schweiz) AG, which had been a subsidiary of HSBC Trinkaus. The next year, HSBC Group increased its participation in Guyerzeller to 96% and then the year after that Guyerzeller became "HSBC Guyerzeller Bank AG".