R.J. O'Brien UK News and Activities

R.J. O'Brien UK is owned by StoneX.

StoneX is one of the...

• Forbes Global 2000 (#1118);
• Fortune 500 (#66);
• Global Fortune 500 (#99);
• Russell 3000;
• TOB Iconic 10,000.

StoneX is a company listed under the stock ticker SNEX (US).

StoneX has a direct presence in 2 countries.

Acquisition, funding and merger involving StoneX.

• R.J. O'Brien & Associates has announced the acquisition of StoneX  (posted on April 14 2025).

View the org chart displaying its 3 main executives

Most searched biographies at R.J. O'Brien UK

• Nathalie Revillion-Castro, Chief Operating Officer
• Marc Chapman, Head of Futures and Options Clearing Sales
• Baudouin Tachot, Director, Operations

Popular executive movements at StoneX

• Brian Mulcahy, Head of StoneX Digital, has left the company  (posted on April 21 2026).

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StoneX has 4,104 competitors including Fidelity (United States (USA)), USAA (United States (USA)) and American Express (United States (USA)).

Popular M&A news in Financial Services

• Marex has acquired Winterflood Securities (posted on June 5 2026).
• Ramp has just announced a $750 Million fundraising (posted on June 5 2026).
• The new name of Paymark is Cuscal Paymark. (posted on June 5 2026).

Popular contacts in Financial Services

• Kuldeep Billan - Chief Executive Officer and Director at Automotive Finco Corp
• Stephen Deckoff - Managing Principal at Black Diamond Capital Management
• Michael Miebach - Chief Executive Officer at MasterCard

Learn more about the Financial Services industry

Press releases by R.J. O'Brien UK

Social media about R.J. O'Brien UK

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