What departments does Simplex Trading LLC have?

Simplex Trading LLC has employees across 1 departments including Engineering.

What is the largest department at Simplex Trading LLC?

The largest department at Simplex Trading LLC is Engineering with 1 employees.

Where are Simplex Trading LLC employees located globally?

Simplex Trading LLC has employees across 3 continents and 4 countries including Niger, India, United States Of America, Barbados.

How has Simplex Trading LLC's team size changed over time?

Simplex Trading LLC's team has decreased from approximately 127 to 126 employees based on available data.

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Simplex Trading LLC Employee Directory

Financial ServicesIllinois, United States51-200 Employees

Simplex Trading LLC is a technology-driven proprietary market-making firm within the financial services sector. Founded around 2004 and based in Chicago, Illinois, the company operates as a mid-sized organization that emphasizes its own software and analytics to create and capitalize on financial opportunities across markets. It brings together technologists and data-driven traders to optimize existing trading strategies and develop new ones, with a focus on continuously advancing automation and market efficiency.

As a market maker in equity options, Simplex Trading participates in liquidity provision and price discovery in fast-moving markets. In 2024 the firm appointed Benjamin Londergan as Managing Director of Strategic Business Development to lead growth efforts.

Simplex Trading LLC Global Highlights

North America
144

United States Of America
136
Barbados
8

Asia
3

India
3

Africa
1

Niger
1

Simplex Trading LLC's Leadership

A. K.
Application Developer
Mobile Phone
Email
C. M.
Co-Adventurer
Mobile Phone
Email
P. M.
Managing Member
Mobile Phone
Email

Simplex Trading LLC Employee Metrics

100%

50%

2026

2025

Engineering
Entrepreneurship
Banking
Information Technology
Accounting
Other
Finance

Contact profiles from Simplex Trading LLC

Name

Title

Contact Info

Location

Last Update

A. K.
Application Developer
Mobile Phone
Email
IndiaWest Bengal
Jul 08, 2026
C. M.
Co-Adventurer
Mobile Phone
Email
Oct 22, 2024
P. M.
Managing Member
Mobile Phone
Email
Oct 22, 2024

Frequently Asked Questions

What is Simplex Trading LLC known for?

Simplex Trading LLC was founded in 2004 operates in the Financial Services industry; you can contact the main corporate office by phone at

+1-312-360-****

. Explore Simplex Trading LLC's company overview page for more information.

What is Simplex Trading LLC's most common email format?

Simplex Trading LLC employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Simplex Trading LLC email formats with LeadIQ.

How many employees does Simplex Trading LLC have currently?

Simplex Trading LLC has approximately 124 employees as of July 2026. These team members are located across 3 continents, including North AmericaAsiaAfrica.

Who are Simplex Trading LLC's key employees and leadership?

As of July 2026, Simplex Trading LLC's key employees include:

Application Developer: A. K.
Co-Adventurer: C. M.
Managing Member: P. M.

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Simplex Trading LLC Employee Directory

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