Business Details
50+ Years
experience
Emergency
services
Trusted Managed IT and Cybersecurity Services in St. Louis
Founded in 1966 by Susan S. Elliott, our company has evolved from pioneering PC training to becoming a leader in managed IT and cybersecurity solutions. With over 50 years of experience, we deliver proactive technology support, defense-grade security, and compliance expertise to businesses nationwide. Our ISO 9001-certified processes ensure consistent service quality, while our 9+ year average client retention reflects our commitment to reliability. As a CMMC Level 2 Certified provider, we specialize in helping defense contractors meet rigorous cybersecurity standards.Our team of certified professionals combines technical expertise with a client-first approach, offering 24/7 support and strategic advisory services to ensure operational continuity. Recognized as a top managed service provider globally, we maintain a 99%+ customer satisfaction rate through documented processes and continuous improvement.
Services
Managed IT Services
Cybersecurity Services
CMMC Compliance
Cloud Services
Co-Managed Services
Details
- Year established: 1966
Highlights and features
- 50+ years of experience in technology services and cybersecurity
- ISO 9001-certified quality management processes
- CMMC Level 2 Certified with expert compliance professionals
- 9+ year average client retention demonstrates reliability
- 24/7 help desk support with Midwest-based technical experts
Associations and certifications
- ISO 9001
- CMMC Level 2 Certified
- CYBER AB Registered Provider Organization (RPO)
What people say
Reliable IT support
Expert cybersecurity compliance
Long-term partnership
Proactive service
Award-winning team
Services
Managed IT Services
Our comprehensive managed IT services provide 24/7 network monitoring, proactive maintenance, and technical support to ensure business continuity. With Midwest-based experts and ISO 9001-certified processes, we deliver reliable infrastructure management that reduces downtime and enhances productivity. Our solutions include virtual CIO advisory services and expert project management for technology implementations.
Cybersecurity Services
We offer multi-layered cybersecurity protection including threat prevention, incident response, and compliance management. Our defense-grade security solutions meet CMMC Level 1 requirements out-of-the-box while providing customizable protection for businesses of all sizes. Services include security assessments, policy development, and continuous monitoring to protect against evolving cyber threats.
CMMC Compliance
As a CMMC Level 2 Certified provider, we help defense contractors achieve and maintain compliance through gap assessments, remediation planning, and ongoing support. Our four-step approach includes readiness assessments, documentation development, technical implementation, and continuous compliance monitoring to ensure audit success and contract eligibility.
Cloud Services
Our managed cloud services optimize Microsoft 365 environments for seamless collaboration and productivity. We help businesses maximize their cloud investment through customized implementations, user training, and ongoing support. Services include cloud migration planning, security configuration, and integration with existing business systems for enhanced operational efficiency.
Co-Managed Services
This flexible solution combines your internal IT team with our expert resources for cost-effective technology management. We handle specific components like security monitoring or help desk support while augmenting your team's capabilities. This approach provides access to specialized expertise without full outsourcing, maintaining internal control with external support.
Questions
What industries do you specialize in?
We serve aerospace & defense, manufacturing, financial services, and professional services firms requiring mission-critical IT and cybersecurity solutions.
How do you ensure service quality?
Our ISO 9001-certified processes, documented procedures, and 99%+ customer satisfaction rate demonstrate our commitment to consistent, high-quality service delivery.
What cybersecurity certifications do you hold?
We maintain CMMC Level 2 certification and CYBER AB RPO status, with staff holding Certified CMMC Professional and Registered Practitioner credentials.
How quickly can you respond to emergencies?
Our 24/7 help desk provides immediate support with Midwest-based technicians available for urgent issues affecting business operations.
What compliance frameworks do you support?
We specialize in CMMC and NIST 800-171 compliance, helping defense contractors meet DFARS requirements and maintain contract eligibility.
How long do clients typically work with you?
Our average client retention exceeds 9 years, reflecting long-term partnerships built on trust, reliability, and consistent service quality.
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Reviews (2)
Stuart Crawford
Dec 28, 2017
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SSE has been a great partner to work with. I haven't met a more committed company to providing businesses across St. Louis is exceptional IT support and IT services. When you need IT services for your company, call my trusted friends at SSE. Ask for Greg, he is awesome.
Bernie Gollwitzer
Apr 02, 2017
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Great Work Environment, Proffessional Team with Integrity & Customer Empathy when technical troubles strike
