S3 provides financial industry clients with the intelligence, services, and technology that help them to make their trades, the best trades. S3’s dynamic algorithms adjust in real-time to the results of each trade, adapting the routing to support the business needs of the client. In addition, customers can easily change automated route preferences via an intuitive web-based interface and view S3’s industry leading Best Execution statistics in real-time.
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S3 Questions
The S3 annual revenue was $7 million in 2026.
Mark Davies is the CEO of S3.
53 people are employed at S3.
S3 is based in Austin, Texas.
The NAICS codes for S3 are [33, 541, 54, 541511, 5415, 54151].
The SIC codes for S3 are [737, 73].
Top S3 Employees
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Mark Davies
Chief Executive Officer at S3
Austin, TX, US25+ -
Jeremy W Vest
Chief Revenue Officer at S3
Austin, TX, US32 -
John Standerfer
CTO at S3
Boston, MA, US35+ -
Robert Olkiewicz
Chief Experience Officer (CXO) at S3
Austin, TX, US35 -
Paul Gerlach
Chief Executive Officer at S3
Chicago, IL, US -
Erin Sheehan
Vice President of Sales at S3
Boston, MA, US32 -
Jake Campbell
VP of Sales at S3
United Kingdom2 -
Sarah Phillips
Vice President Marketing and Sales Operations at S3
South Carolina, United States21 -
Fernando Ruiz
Director of CyberSecurity at S3
Portland, OR, US33 -
Lisa Leach
Director of Finance and HR at S3
Austin, TX, US35
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