Insights

Strong Market Presence As the oldest and largest independent futures brokerage in the United States with a revenue range of one to ten billion dollars, R.J. O'Brien & Associates demonstrates robust market standing, presenting opportunities to offer advanced trading technology solutions, compliance tools, and premium client management platforms.

Expanding Digital Footprint The recent launch of an updated website and digital branding indicates a focus on digital transformation, providing a gateway for sales teams to pitch innovative web solutions, cybersecurity services, and digital engagement tools to enhance client experience and operational efficiency.

Global Growth Focus Leadership promotions and regional appointments across EMEA and the US suggest a strategic emphasis on expanding international reach, opening avenues for targeted solutions in cross-border compliance technology, localized trading platforms, and international client onboarding services.

Acquisition Opportunities The planned acquisition by StoneX Group Inc. for nearly a billion dollars underscores a trend of consolidation in the industry, presenting prospects to offer M&A advisory, integration solutions, and strategic consultancy services to similar firms contemplating expansion or partnership.

Technology and Compliance Focus RJO's investment in hiring a dedicated Chief Compliance Officer and deploying robust security measures indicates a commitment to regulatory adherence and cybersecurity, making it an ideal partner for compliance software providers, cybersecurity firms, and risk management solutions.

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. 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 December 2025, R.J. O'Brien's annual revenue is estimated to be $117M.

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

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R.J. O'Brien's NAICS code is 52 - Finance and Insurance.

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

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As of December 2025, R.J. O'Brien has approximately 598 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
Phone number
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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