How many email patterns does S1 Corporation use?

S1 Corporation uses 19 known email patterns.

What domain does S1 Corporation use for work emails?

S1 Corporation uses s1.com for work email addresses.

Most Common Email Formats at S1 Corporation

S1 Corporation's most common email format is First.Last@s1.com (ex. John.Doe@s1.com), used for 95% of s1.com addresses. S1 Corporation uses 4 email patterns.

@s1.com

4 patterns

Format	Example	Share of s1.com
First.Last@s1.comMost common	John.Doe@s1.com	95%
FLast@s1.com	JDoe@s1.com	3%
Last_First@s1.com	Doe_John@s1.com	1%
Last.F@s1.com	Doe.J@s1.com	1%

Need a specific person's email?

Browse S1 Corporation's employee directory (about 412 employees) and reveal verified emails free.

Frequently Asked Questions

What does S1 Corporation do?

S1 Corporation was founded in 1996 and operates in the Software Development industry, alongside similar companies like Fiserv, TATA Consultancy Services (TCS) and Infosys Finacle. You can visit s1.com or contact S1 Corporation's headquarters by phone at

+1-818-992-****

. Explore S1 Corporation's company overview page for more information.

What is S1 Corporation's email address format?

S1 Corporation's email format typically follows the pattern of First.Last@s1.com; this email format is used 95% of the time. Other contacts within LeadIQ's database had email formats such as FLast@s1.com and Last_First@s1.com. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does S1 Corporation have currently?

S1 Corporation has approximately 412 employees as of October 2026. Key team members to contact include Customer Relationship Director: L. J., Director Channel Sales & Marketing: A. S. and Finance Director, Apj: D. L. For more team information and contact data, explore S1 Corporation's employee directory with LeadIQ.

S1 Corporation Email Format

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.

Most common format

First.Last@s1.com

Example: John.Doe@s1.com

4 patterns. See all formats

Verify a S1 Corporation email address

Free with a LeadIQ account. No credit card.

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust LeadIQ to help them build pipeline confidently.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

Most Common Email Formats at S1 Corporation

@s1.com

Need a specific person's email?

Frequently Asked Questions

What does S1 Corporation do?

What is S1 Corporation's email address format?

How many employees does S1 Corporation have currently?

S1 Corporation Email Format

Ready to create more pipeline?

Everything for prospecting,in one platform.

What you can expect from LeadIQ:

Ready to create more pipeline?

Everything for prospecting,
in one platform.