Knexus, a trusted provider of AI solutions to the U.S. Federal Government, announced the acquisition of S4, a leader in enterprise IT, cybersecurity, intelligence analysis, and national security solutions, on July 24, 2025. This strategic move enhances Knexus’ ability to deliver comprehensive, AI-powered services to address complex, data-driven challenges for government agencies.
Knexus acquires S4 to expand AI-driven solutions for the U.S. government.
S4 brings expertise in enterprise IT, cybersecurity, and intelligence analysis.
Combined capabilities offer end-to-end solutions, from IT support to AI analytics.
Knexus holds a 5-year, $50M IDIQ contract with DLA for generative AI solutions.
Named 2025 Google Cloud Partner of the Year for Business Applications in Government.
Integration focuses on seamless transitions for customers and employees.
The acquisition of S4, founded by the late Chandu Shah in 1999, aligns with Knexus’ mission to deliver proactive, mission-focused AI solutions. S4’s expertise in enterprise IT and cybersecurity complements Knexus’ advanced AI capabilities, including its work with Google Cloud’s Vertex AI and Gemini models. “By integrating S4’s proven cybersecurity, analytic, and IT services with our AI-driven approach, we can be more creative and proactive in addressing the government’s challenges,” said Adam Lurie, CEO of Knexus. This synergy enables intelligent automation and predictive analytics, enhancing mission effectiveness.
The combined entity offers a robust suite of services, from foundational IT support to advanced AI-driven analytics and decision support. S4’s track record in delivering high-quality, responsive solutions in network security and 24/7 service desk support strengthens Knexus’ ability to manage complex data environments and secure critical networks. “Joining forces with Knexus is an exciting evolution for S4,” said Dawnn McCullough, General Manager of S4. “We will be able to provide our customers with an even greater level of support, leveraging cutting-edge AI.”
Knexus’ acquisition follows its recognition as the 2025 Google Cloud Partner of the Year for Business Applications in Government, highlighting its expertise in deploying Google Cloud AI tools for public sector challenges. Additionally, Knexus secured a 5-year, $50M Indefinite Delivery/Indefinite Quantity (IDIQ) contract with the Defense Logistics Agency (DLA) to deliver generative AI solutions for logistics and operational challenges. The company also holds a position on the $919M SCRIPTS BPA with GSA, partnering with Babel Street to provide AI-driven supply chain risk management tools.
Founded in 2006 by Dr. Kalyan Gupta, Knexus has nearly two decades of experience delivering AI solutions, holding four patents and over 100 peer-reviewed papers. The acquisition of S4, combined with recent funding from Scare the Bear Capital and a $3.5M DLA AI hackathon contract, positions Knexus for significant growth in the $243.7 billion AI market. The integration of both companies began immediately, prioritizing seamless transitions for clients and employees to ensure continued mission support across defense and national security sectors.
For nearly two decades, Knexus has worked with dozens of agencies across the US Government as a trusted partner to deliver tailored AI solutions to mission-critical problems. With four patents and 100+ peer reviewed scientific papers, the scientists and engineers of Knexus are routinely smashing through the barriers between human and machine intelligence. As the 2025 Google Cloud Partner of the Year in Business Applications for Government, Knexus offers its customers expertise in working with Google Cloud's AI products, such as the Vertex AI platform and Gemini models, to deliver AI solutions to the public sector.
S4 is a premier provider of intelligence analysis, cybersecurity, and IT services to the U.S. Government. S4 specializes in delivering high-quality, responsive solutions that reduce risk and increase efficiency. With a proven track record in enterprise IT, network security, and 24/7/365 service desk support, S4's certified and experienced professionals provide the agility and insight necessary to meet the dynamic needs of their government customers.
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