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Mitsubishi UFJ Securities International

Former London-based international investment bank and capital-markets subsidiary within the Mitsubishi UFJ Financial Group.

Last updated August 25, 2026

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Overview

Mitsubishi UFJ Securities International plc, commonly known as MUSI, was the international investment-banking and securities arm of the Mitsubishi UFJ Financial Group. Based in London, the firm served as a European and international capital-markets platform, providing investment banking, sales and trading, financing, and market-related services across a range of asset classes. Its activities included debt and equity markets, commodities, derivatives, and structured products, reflecting the broad remit of a global securities house rather than a consumer-facing financial brand. The company was created on 1 October 2005, the date on which Mitsubishi Tokyo Financial Group and UFJ Holdings combined to form Mitsubishi UFJ Financial Group. The new securities subsidiary brought together Mitsubishi Securities International plc and UFJ International plc. Mitsubishi Securities International had been incorporated in England and Wales in 1983, while UFJ International had itself been formed through the combination of Sanwa International and Tokai Bank Europe in 2002. The 2005 merger therefore consolidated several pre-existing Japanese banking groups' international securities operations under the MUFG structure. MUSI was wholly owned by Mitsubishi UFJ Securities Holdings Co., Ltd., which in turn was wholly owned by MUFG. Within that ownership chain, the firm operated alongside other securities and investment-related subsidiaries, including Mitsubishi UFJ Morgan Stanley Securities and Mitsubishi UFJ Merrill Lynch PB. Its international network included offices or operations in London, New York, Hong Kong, and Singapore. The business employed approximately 600 people globally according to the reference period described in the company's historical account. The firm's scope covered institutional and corporate clients active in global capital markets. Its investment-banking work was complemented by securities distribution, trading, derivatives, commodities, and structured-finance capabilities. This positioning enabled MUSI to connect MUFG's Japanese and wider Asian banking franchise with European and other international markets. London served as the principal base for its European business and as an important center for its global investment-banking activities. In January 2013, Paul Hartwell was appointed chief executive officer. Other senior officers identified in the company's historical materials included chief financial officer David King and head of international business Clifford De Souza. Moody's Investors Service assigned the firm a long-term rating of A1 and a short-term rating of Prime-1 as of October 2012, providing an indication of its standing within the wider MUFG group at that time. The MUSI name ceased to be the company's operating identity when the business was renamed MUFG Securities EMEA plc on 1 July 2016. The change aligned the subsidiary's name with MUFG's broader regional brand architecture. Accordingly, Mitsubishi UFJ Securities International is best treated as a historical corporate brand and former legal entity rather than an active standalone brand. Its activities and institutional heritage continued within MUFG's securities operations under the later MUFG Securities EMEA identity.

History

Mitsubishi UFJ Securities International plc was the London-based international investment-banking subsidiary of Mitsubishi UFJ Financial Group. Its origins lay in two predecessor securities businesses. Mitsubishi Securities International plc had been established in England and Wales on 11 February 1983. UFJ International plc was later formed in April 2002 through the combination of Sanwa International plc and Tokai Bank Europe plc. On 1 October 2005, Mitsubishi Tokyo Financial Group and UFJ Holdings merged to create Mitsubishi UFJ Financial Group. Their respective international investment-banking subsidiaries were combined on the same date, producing Mitsubishi UFJ Securities International plc. The new entity was wholly owned by Mitsubishi UFJ Securities Holdings Co., Ltd., itself a wholly owned subsidiary of MUFG. This structure placed MUSI within the group's dedicated securities and investment-banking network. From London, MUSI conducted international capital-markets activities covering investment banking, debt, equities, commodities, derivatives, structured products, sales, and trading. Its network included London, New York, Hong Kong, and Singapore, and the firm employed approximately 600 people globally during the period covered by its historical profile. The business helped connect MUFG's Japanese and Asian financial franchise to institutional clients and markets in Europe and other international locations. The firm's senior leadership included Paul Hartwell, who became chief executive officer in January 2013, along with chief financial officer David King and head of international business Clifford De Souza. In October 2012, Moody's Investors Service ratings reported for the firm were A1 for long-term obligations and Prime-1 for short-term obligations. On 1 July 2016, the company was renamed MUFG Securities EMEA plc. The renaming reflected the group's effort to use the MUFG identity consistently across its regional securities businesses. Mitsubishi UFJ Securities International is therefore a historical name for the predecessor entity; the brand itself is no longer active as a standalone operating identity.

  • 2016

    Renamed MUFG Securities EMEA plc

    [1]

    The company changed its name on 1 July 2016, replacing the Mitsubishi UFJ Securities International identity with MUFG Securities EMEA.

  • 2013

    Paul Hartwell appointed CEO

    [1]

    Paul Hartwell was appointed chief executive officer in January 2013.

  • 2012

    Moody's ratings reported

    [1]

    The firm's reported Moody's ratings as of October 2012 were A1 for long-term credit and Prime-1 for short-term credit.

  • 2005

    Mitsubishi UFJ Securities International established

    [1]

    The international securities subsidiaries of Mitsubishi Tokyo Financial Group and UFJ Holdings merged on 1 October 2005 in connection with the creation of MUFG.

  • 2002

    UFJ International formed

    [1]

    Sanwa International plc and Tokai Bank Europe plc were combined in April 2002 to form UFJ International plc.

  • 1983

    Mitsubishi Securities International incorporated in England and Wales

    [1]

    Mitsubishi Securities International plc, one of the predecessors of MUSI, was established in England and Wales on 11 February 1983.

Products and positioning

International institutional investment bank connecting MUFG's Japanese and Asian financial network with European and global capital markets.

  • Advisory and capital markets · 2005

    Investment banking

    MUSI provided investment-banking services to corporate, institutional, and other professional clients through the international MUFG securities platform. The business was part of a broader offering spanning capital raising, market access, and related advisory capabilities, although the available reference material does not provide a detailed breakdown of individual mandates or transactions.

  • Capital markets · 2005

    Debt and equity capital markets

    The firm's capital-markets activities covered debt and equity securities, supporting the distribution and trading of instruments in international markets. These capabilities complemented MUFG's global banking relationships and its London-centered European business.

  • Securities markets · 2005

    Sales and trading

    MUSI operated sales and trading activities across global capital markets. Its institutional-market scope included securities and related products, with offices or operations in London, New York, Hong Kong, and Singapore.

  • Markets and structured finance · 2005

    Commodities, derivatives, and structured products

    The international securities platform also covered commodities, derivatives, and structured products. These activities broadened the firm's offering beyond conventional debt and equity securities and supported institutional clients seeking hedging, financing, or tailored market exposure.

Brand decisions

  • 2016

    Adoption of the MUFG Securities EMEA nameStrategy

    Background

    MUFG used a broader group-branding approach for its regional securities businesses, replacing the older Mitsubishi UFJ Securities International identity.

    Action taken

    The company was renamed MUFG Securities EMEA plc on 1 July 2016.

    Aftermath

    The Mitsubishi UFJ Securities International brand became a historical identity, while the business continued under the MUFG Securities EMEA name.

  • 2005

    Consolidation of predecessor international securities businessesM&A

    Background

    The creation of MUFG through the combination of Mitsubishi Tokyo Financial Group and UFJ Holdings required the integration of their respective international investment-banking subsidiaries.

    Action taken

    Mitsubishi Securities International plc and UFJ International plc were merged on 1 October 2005 to establish Mitsubishi UFJ Securities International plc.

    Aftermath

    The transaction created a single international securities platform within the newly formed MUFG group.

Sources1 sources

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