Insights

Acquisition Signals S4 Inc. recently became part of Knexus Research Corporation through acquisition, signaling integration opportunities with an AI and national security-focused firm and potential cross-sell of enterprise IT, cybersecurity, and intel analysis capabilities.

DoD and Gov Demand Focused on DoD and US Government clients with established ISO certifications (9001, 27001, 20000-1) and multiple operating locations, indicating ongoing demand for compliant IT services, cybersecurity, and service management support.

Contract Revenue Driver Past performance includes a notable Air Force contract and defense-related IT management work, suggesting expansion opportunities with DoD branch networks and northern command/air force intelligence sectors looking for systems management and security expertise.

Growth and Staffing Mid-sized firm with 51-200 employees and revenue in the tens of millions; potential for upsell of managed services, cybersecurity operations, and professional services as DoD programs scale and new contracts arise.

Tech Stack Fit Leveraging CCSP, Docker, Red Hat Linux, and Microsoft stack positions S4 to address cloud migration, containerized workloads, and secure IT operations—presenting cross-sell opportunities to agencies modernizing infrastructure.

S4 Inc. Tech Stack

S4 Inc. uses 8 technology products and services including Ansible, RSS, Intel, and more. Explore S4 Inc.'s tech stack below.

  • Ansible
    Configuration Management
  • RSS
    Content Management System
  • Intel
    Customer Relationship Management
  • Microsoft System Center Configuration Manager
    IT Infrastructure & Operations Management
  • Microsoft
    Miscellaneous
  • Windows 10
    Operating Systems
  • UNIX
    Operating Systems
  • C#
    Programming Languages

S4 Inc.'s Email Address Formats

S4 Inc. uses at least 1 format(s):
S4 Inc. Email FormatsExamplePercentage
FLast@s4inc.comJDoe@s4inc.com
97%
First.Last@s4inc.comJohn.Doe@s4inc.com
1%
Last@s4inc.comDoe@s4inc.com
1%
FirstLast@s4inc.comJohnDoe@s4inc.com
1%

Frequently Asked Questions

What is S4 Inc.'s phone number?

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You can contact S4 Inc.'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 S4 Inc.'s official website and social media links?

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S4 Inc.'s official website is s4inc.com and has social profiles on LinkedIn.

How much revenue does S4 Inc. generate?

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As of July 2026, S4 Inc.'s annual revenue is estimated to be $50M - $100M.

What is S4 Inc.'s NAICS code?

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S4 Inc.'s NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does S4 Inc. have currently?

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As of July 2026, S4 Inc. has approximately 96 employees across 4 continents, including North AmericaAfricaEurope. Key team members include Transition Service And Support Manager: L. P.Site Manager: P. R.Senior Service Representative: J. K.. Explore S4 Inc.'s employee directory with LeadIQ.

What industry does S4 Inc. belong to?

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S4 Inc. operates in the IT Services and IT Consulting industry.

What technology does S4 Inc. use?

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S4 Inc.'s tech stack includes AnsibleRSSIntelMicrosoft System Center Configuration ManagerMicrosoftWindows 10UNIXC#.

What is S4 Inc.'s email format?

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S4 Inc.'s email format typically follows the pattern of FLast@s4inc.com. Find more S4 Inc. email formats with LeadIQ.

When was S4 Inc. founded?

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S4 Inc. was founded in 1999.
S4 Inc. logo

S4 Inc.

IT Services and IT ConsultingMassachusetts, United States51-200 Employees

S4 Inc. is a mid-sized IT services and consulting firm that provides enterprise IT services, cybersecurity, and professional support to U.S. government customers, including the Department of Defense. It emphasizes agility and strategic insight to develop solutions for both planning and operations, working within defined scope, schedule, and budget. Headquartered in Bedford, Massachusetts, S4 operates at multiple sites across the United States, including Colorado Springs, Huntsville, Ogden, Omaha, and the Washington, D.C. area.

As a Small Disadvantaged Business, S4 holds ISO 9001:2015, ISO 27001:2013, and ISO/IEC 20000-1:2018 certifications, underscoring its commitment to quality and information security management. Its customer base comprises DoD and other U.S. government agencies seeking IT services, cybersecurity, and professional support. In 2025, S4 was acquired by Knexus Research Corporation, an artificial intelligence company, marking a significant recent development in its corporate status.

Section iconCompany Overview

Phone number
Website
s4inc.com
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
1999
Employees
51-200

Section iconFunding & Financials

  • $50M - $100M

    S4 Inc.'s revenue is estimated to be in the range of $50M - $100M

Section iconFunding & Financials

  • $50M - $100M

    S4 Inc.'s revenue is estimated to be in the range of $50M - $100M

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