Insights

Market Leadership R.J. O'Brien is the oldest and largest independent futures brokerage in the U.S., with a strong client base that includes over 400 introducing brokers and leading global financial institutions, highlighting significant potential for technology and service expansion opportunities.

Recent Acquisition The company was acquired by StoneX Group for approximately 900 million dollars, indicating ongoing growth and consolidation trends in the futures trading industry, which could open avenues for integrated solutions and joint offerings.

Technological Innovation RJO utilizes advanced trading technology, including order entry systems and 24-hour global clearing, presenting opportunities to introduce new trading tools, compliance solutions, and data analytics to enhance their operational efficiency and client experience.

Strategic Leadership Recent key appointments in compliance, sales, and operational leadership across U.S. and EMEA regions demonstrate a focus on strengthening global presence and regulatory adherence, offering prospects for compliance software, operational support, and training services.

Growing Brand Presence With a revitalized website launch and branding efforts in early 2025, RJO is actively investing in market visibility, providing opportunities for digital marketing services, client engagement platforms, and content solutions to support their expanded outreach.

R.J. O'Brien Tech Stack

R.J. O'Brien uses 8 technology products and services including StackAdapt, Font Awesome, jQuery, and more. Explore R.J. O'Brien's tech stack below.

  • StackAdapt
    Demand Side Platforms
  • Font Awesome
    Font Scripts
  • jQuery
    Javascript Libraries
  • Cloudflare Bot Management
    Security
  • HSTS
    Security
  • Bootstrap
    UI Frameworks
  • Google Analytics
    Web Analytics
  • Plesk
    Web Hosting

Media & News

R.J. O'Brien's Email Address Formats

R.J. O'Brien uses at least 1 format(s):
R.J. O'Brien Email FormatsExamplePercentage
FLast@rjobrien.comJDoe@rjobrien.com
95%
FirstL@rjobrien.comJohnD@rjobrien.com
3%
FirstLast@rjobrien.comJohnDoe@rjobrien.com
1%
First@rjobrien.comJohn@rjobrien.com
1%

Frequently Asked Questions

Where is R.J. O'Brien's headquarters located?

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R.J. O'Brien's main headquarters is located at 222 South Riverside Plaza Suite 1200 Chicago, Illinois United States. The company has employees across 3 continents, including North AmericaEuropeAsia.

What is R.J. O'Brien's phone number?

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You can contact R.J. O'Brien's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is R.J. O'Brien's official website and social media links?

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R.J. O'Brien's official website is rjobrien.com and has social profiles on LinkedInCrunchbase.

How much revenue does R.J. O'Brien generate?

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As of March 2026, R.J. O'Brien's annual revenue is estimated to be $117M.

What is R.J. O'Brien's SIC code NAICS code?

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R.J. O'Brien's SIC code is 6211 - Security Brokers, Dealers, and Flotation Companies NAICS code is 52 - Finance and Insurance.

How many employees does R.J. O'Brien have currently?

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As of March 2026, R.J. O'Brien has approximately 551 employees across 3 continents, including North AmericaEuropeAsia. Key team members include Chief Operating Officer Emea At R. J. O'brien: G. L.Chief Operating Officer, London: N. R.Vice President Fixed Income Group: C. M.. Explore R.J. O'Brien's employee directory with LeadIQ.

What industry does R.J. O'Brien belong to?

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R.J. O'Brien operates in the Financial Services industry.

What technology does R.J. O'Brien use?

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R.J. O'Brien's tech stack includes StackAdaptFont AwesomejQueryCloudflare Bot ManagementHSTSBootstrapGoogle AnalyticsPlesk.

What is R.J. O'Brien's email format?

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R.J. O'Brien's email format typically follows the pattern of FLast@rjobrien.com. Find more R.J. O'Brien email formats with LeadIQ.

When was R.J. O'Brien founded?

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R.J. O'Brien was founded in 1914.

R.J. O'Brien

Financial ServicesIllinois, United States501-1000 Employees

R.J. O'Brien & Associates LLC is the oldest and largest independent futures brokerage and clearing firm in the United States. 

A futures commission merchant (FCM), RJO is a full clearing member of: the CME Group (founding member of the Chicago Mercantile Exchange) and all its markets; IntercontinentalExchange (ICE); NYSE Liffe U.S.; and the CBOE Futures Exchange (CFE). RJO offers the latest in order entry technology coupled with 24-hour execution and clearing on every futures exchange worldwide. Clearing more than 100,000 client accounts, the firm provides a full range of services to the industry’s largest global network of introducing brokers (IBs) and to commercial, institutional, international and individuals clients. These include more than 400 IBs and many of the world's largest financial, industrial and agricultural institutions. We do not engage in proprietary trading; all of our business focuses on our valued clients.

Founded in 1914, RJO is one of the last 'boutique' futures firms in the industry. It is a privately held business majority owned by the O'Brien family of Chicago. The O'Briens have been instrumental in the development of the futures industry and remain committed to the continued growth of the company and our leadership within the industry.

Futures trading involves the substantial risk of loss and is not suitable for all investors. Past performance is not indicative of future results.

Section iconCompany Overview

Headquarters
222 South Riverside Plaza Suite 1200 Chicago, Illinois United States
Phone number
SIC Code
6211 - Security Brokers, Dealers, and Flotation Companies
NAICS Code
52 - Finance and Insurance
Founded
1914
Employees
501-1000

Section iconFunding & Financials

  • $1B$10B

    R.J. O'Brien's revenue is estimated to be in the range of $1B$10B

Section iconFunding & Financials

  • $1B$10B

    R.J. O'Brien's revenue is estimated to be in the range of $1B$10B

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