- 1823: The partnership Menet & Cazenove is established in London, which eventually becomes Cazenove Group.
- 1854: Junius S. Morgan, J. Pierpont Morgan’s father, partners with George Peabody in the English banking house of George Peabody & Co. He succeeds Peabody as head of the firm and changes its name to J.S. Morgan & Co. This institution is not a direct predecessor, but the firm operated in a close partnership with J.P. Morgan & Co. for several decades.
- 1887: Jarvis Conklin Mortgage & Trust Company opens in London.
- 1890: J. Pierpont Morgan becomes senior partner of J.S. Morgan & Co. in London.
- 1892: Guaranty Trust Company opens a representative office in London. It becomes a full-service branch in 1897.
- 1909: Scottish banker Robert Fleming enters a partnership with his son Val and accountant Walter Whingham to establish the firm Robert Fleming in London. In 1911, its name changes to Robert Fleming & Co.
- 1910: J.S. Morgan becomes Morgan Grenfell & Co. J.P. Morgan & Co. holds a one-third interest in Morgan Grenfell until 1982.
- 1915: J.P. Morgan & Co. arranges a US$500 million loan to Great Britain and France, representing the largest foreign loan in Wall Street history at the time. J.P. Morgan & Co. also acts as purchasing agent for the European Allies during World War I. The purchases total nearly US$3 billion and equal almost half of all American supplies sold to the Allies until the United States joins the war in 1917.
- 1923: The Equitable Trust Company opens a new branch at Bush House.
- 1925: Central Union Trust Company opens a representative office. The office becomes a full-service branch in 1938.
- 1927: Chase National Bank opens an office at 14 Cornhill in London.
- 1937: Chase National opens its first retail site at 51 Berkeley Square. This new location meets the growing need for private banking services.
- 1959: The First National Bank of Chicago opens a representative office in London.
- 1966: Manufacturers Hanover Trust Company opens its Grosvenor Square office at 88 Brooke Street in London’s West End.
- 1971: Chemical Bank establishes a subsidiary, Chemical Bank Trustee Company, Ltd. in London, its first overseas trust unit.
- 1979: Morgan Guaranty Trust Company creates London's Morgan Guaranty Limited to underwrite and trade in Eurobonds.
- 1986: Chase Manhattan Bank opens an office in Bournemouth.
- 1986: Manufacturers Hanover hosts its first London Corporate Challenge on July 11, 1986.
- 1991: J.P. Morgan employees officially move into 60 Victoria Embankment after acquiring the building in 1986.
- 2000: Chase Manhattan Bank acquires Robert Fleming Holdings, a partnership designed to enhance Chase’s asset management and investment banking businesses worldwide.
- 2004: JPMorgan Chase combines its United Kingdom investment banking business with Cazenove to form a new joint venture called J.P. Morgan Cazenove, the United Kingdom’s top investment bank and corporate broker. It begins operations in the first quarter of 2005. JPMorgan Chase takes full ownership of J.P. Morgan Cazenove in 2010.
- 2017: J.P. Morgan leads the first bond sale in Oxford University’s 850-year history. The hundred-year bond will have the longest maturity of any bond from a British university and longer than any public issue of U.K. government bonds. The firm also helps the university achieve a triple-A credit rating.
