S1 Employee Directory

Software DevelopmentUnited States201-500 Employees

Leading banks, retailers, and processors need technology that adapts to the complex and challenging needs of their businesses. They want solutions that can respond quickly to changes in the marketplace and help grow with their business. For more than 20 years, S1 has been a leader in developing software solutions that deliver a competitive advantage.  
Over 3,000 organizations worldwide depend on us for payments, online banking, branch banking and lending solutions to power their businesses. We provide payments solutions for ATM driving, card management, merchant acquiring and retail payments. Our company has local product development, delivery and support operations throughout the world including offices in (local regional offices).  
More information is available at www.s1.com

Find S1 employees' phone numbers or email addresses

S1 Global Highlights

Location
Employees

North America
69

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  • United States Of America
    68
  • Canada
    1

Asia
39

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  • India
    32
  • Indonesia
    2
  • Bangladesh
    2
  • Viet Nam
    1
  • Pakistan
    1
  • Singapore
    1

Europe
7

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  • United Kingdom Of Great Britain And Northern Ireland
    4
  • Netherlands
    1
  • France
    1
  • Ireland
    1

Africa
5

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  • South Africa
    5

South America
1

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  • Colombia
    1

S1's Leadership

  • Stylized image of a person
    B. H.
    Vp Marketing
    Phone icon
  • Stylized image of a person
    J. F.
    President And Co-Founder
    Phone icon
  • Stylized image of a person
    W. C. S.
    Founder, Owner
    Phone icon
  • Stylized image of a person
    P. R.
    Vp
    Phone icon
  • Stylized image of a person
    D. S.
    Director Data Center Operations
    Phone icon
  • Stylized image of a person
    F. L.
    Executive Director
    Phone icon
  • Stylized image of a person
    N. W.
    Director, Profesional Service
    Phone icon
  • Stylized image of a person
    A. S.
    Director Channel Sales & Marketing
    Phone icon

S1 Employee Metrics

100%
50%
0%
2026
2025
2024
  • Administrative
  • Engineering
  • Quality Assurance
  • Analytics
  • Human Resources
  • Other

Contact profiles from S1

Name
Title
Contact Info
Location
Last Update
  • Stylized image of a person
    P. B.
    Support Engineer
    Phone icon
    United StatesGeorgia
    Sep 08, 2025
  • Stylized image of a person
    A. S.
    Accounts Payable Specialist 4
    Phone icon
    United StatesGeorgia
    Oct 23, 2025
  • Stylized image of a person
    A. T.
    Quality Assurance Engineer
    Phone icon
    India
    Aug 10, 2025
  • Stylized image of a person
    J. N.
    Software Developer
    Phone icon
    South AfricaWestern Cape
    Nov 12, 2025
  • Stylized image of a person
    T. V.
    Data Center Operations Supervisor
    Phone icon
    United StatesGeorgia
    Oct 18, 2025
  • Stylized image of a person
    C. L.
    Contract Administrator
    Phone icon
    United StatesTexas
    Nov 13, 2025
  • Stylized image of a person
    P. P.
    Developer
    Phone icon
    Nov 13, 2025
  • Stylized image of a person
    N. K.
    Associate Qa Engineer
    Phone icon
    India
    Oct 18, 2025
  • Stylized image of a person
    B. B.
    Data Center Supervisor
    Phone icon
    United StatesGeorgia
    Nov 11, 2025
  • Stylized image of a person
    C. F.
    Consultant
    Phone icon
    Ireland
    Jul 26, 2024

Frequently Asked Questions

What is S1 known for?

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S1 was founded in 1996 operates in the Software Development industry; you can contact the main corporate office by phone at . Explore S1's company overview page for more information.

What is S1's most common email format?

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S1 employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more S1 email formats with LeadIQ.

How many employees does S1 have currently?

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S1 has approximately 412 employees as of February 2026. These team members are located across 5 continents, including North AmericaAsiaEurope.

Who are S1's key employees and leadership?

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As of February 2026, S1's key employees include:

  • Vp Marketing: B. H.
  • President And Co-Founder: J. F.
  • Founder, Owner: W. C. S.
  • Vp: P. R.
  • Director Data Center Operations: D. S.

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