Citadel Securities

HQ
Miami, Florida, USA
Total Offices: 16
1,900 Total Employees
Year Founded: 2002

Affiliated Profiles

We embrace bold ideas and seize opportunities others don’t, from the way we operate to the strategies we deploy.

Citadel Securities is the next-generation capital markets firm. Our work is powered by the deepest integration of financial, mathematical and engineering expertise. Combining deep trading acumen with cutting-edge analytics and technology, we at Citadel Securities deliver critical liquidity to the world’s most important financial institutions—while helping shape the global markets of tomorrow.

Citadel Securities Offices

OnSite Workspace

Employees work from physical offices.

Typical time on-site: None
Company Office
HQMiami, Florida, USA
Company Office
Singapore
Company Office
Austin, Texas, USA
Boston, Massachusetts, USA
Company Office
Chicago, Illinois, USA
Company Office
Dublin, Dublin, IRL
Company Office
Gurugram, Haryana, IND
Company Office
London, England
Los Angeles, California, USA
Company Office
New York, New York, USA
Company Office
Paris, Île-de-France, FRA
San Francisco, California, USA
Company Office
Sydney, New South Wales, AUS
Company Office
Tokyo, Tokyo, JPN
Company Office
Toronto, Ontario, CAN
Company Office
Zürich, Zürich, CHE
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Citadel Securities Teams

Team
The Next-Generation Capital Markets Firm
About our Teams
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What the Team is Saying

Tom
Engineering
“Everyone is really motivated to solve problems in the best way possible. You get to solve really hard technical problems repeatedly and quickly, and you get to see the payoff. The work that we do is pushing the boundaries of what can you achieve in our universe.“

Articles We're In

Photo: Citadel Securities
Olivia McClure Olivia McClure
Published on April 10, 2025

Citadel Securities’ Early Careers Technology Program Unlocks Growth, Impact and Career Paths

Learn how the program at the market maker allows early-career technologists to jumpstart their professional growth journeys and make an immediate impact.

Ellen Glover Ellen Glover
Updated on April 18, 2025

21 Engineering Companies in Singapore to Know

Singapore is a hub for some of the top engineering companies in the world.

Image: Shutterstock
Cathleen Draper Cathleen Draper
Updated on April 10, 2025

32 NYC Companies to Watch This Spring

What makes these NYC tech companies stand out from the crowd? Built In NYC highlights the perks and culture of 32 flourishing companies this spring.

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Awards

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