Insights

Enterprise Payments S1 serves over 3,000 organizations with payments, online banking, branch banking and lending solutions, indicating a broad addressable market for expanding wallet, card management, merchant acquiring and retail payments capabilities.

Scale Opportunity With 201-500 employees and revenue in the 250M-500M range, S1 sits between mid-market and enterprise. This positioning suggests readiness for larger multi-region deployments and integration projects with enterprise banks and retailers.

Global Reach Global delivery and local regional offices imply a capability to support multinational deployments, enabling cross-border payment solutions and regional customization for diverse banking and retail customers.

Extended Financials Revenue size indicates budget for scalable modernization projects, including updates to payments infrastructure, online/mobile banking, and lending platforms, presenting opportunities for upsell and platform migrations.

Competitive Landscape Industry peers range from large integrators to fintech players. Position S1 as a secure, adaptable alternative for banks and retailers seeking rapid responsiveness to market changes, with emphasis on competitive differentiation through agility and global support.

Similar companies to S1 Corporation

S1 Corporation's Email Address Formats

S1 Corporation uses at least 4 email formats:
S1 Corporation Email FormatsExamplePercentage
First.Last@s1.comJohn.Doe@s1.com
95%
FLast@s1.comJDoe@s1.com
3%
Last_First@s1.comDoe_John@s1.com
1%
Last.F@s1.comDoe.J@s1.com
1%

Frequently Asked Questions

What is S1 Corporation's phone number?

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You can contact S1 Corporation'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 S1 Corporation's stock symbol?

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S1 Corporation is a publicly traded company; the company's stock symbol is S100.L.

What is S1 Corporation's official website and social media links?

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S1 Corporation's official website is s1.com and has social profiles on LinkedIn.

How much revenue does S1 Corporation generate?

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As of August 2026, S1 Corporation's annual revenue is estimated to be $250M - $500M.

What is S1 Corporation's SIC code and NAICS code?

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S1 Corporation's SIC code is 7372 - Prepackaged Software and NAICS code is 5112 - Software Publishers.

How many employees does S1 Corporation have currently?

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As of August 2026, S1 Corporation has approximately 412 employees across 5 continents, including North America, Asia and Europe. Key team members include Customer Relationship Director: L. J., Director Channel Sales & Marketing: A. S. and Finance Director, Apj: D. L. Explore S1 Corporation's employee directory with LeadIQ.

What industry does S1 Corporation belong to?

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S1 Corporation operates in the Software Development industry.

What is S1 Corporation's email format?

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S1 Corporation's email format typically follows the pattern of First.Last@s1.com. Find more S1 Corporation email formats with LeadIQ.

When was S1 Corporation founded?

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S1 Corporation was founded in 1996.
S1 Corporation logo

S1 Corporation

Software DevelopmentUnited States201-500 Employees

S1 Corporation is a United States-based software development firm with more than two decades of experience. It serves banks, retailers, and processors with software solutions for payments, online banking, branch banking, and lending, used by more than 3,000 organizations worldwide.

The company's payments offerings include ATM-driven payments, card management, merchant acquiring and retail payments. It maintains local development, delivery, and support capabilities across regions worldwide to serve its customer base.

Section iconCompany Overview

Phone number
Website
s1.com
SIC Code
7372 - Prepackaged Software
Stock Symbol
S100.L
NAICS Code
5112 - Software Publishers
Founded
1996
Employees
201-500

Section iconFunding & Financials

  • $250M - $500M

    S1 Corporation's revenue is estimated to be in the range of $250M - $500M

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