# Systems Service Enterprises Inc.
*Also known as SSE*

- Website: https://www.sseinc.com
- Location: St. Louis, MO, United States
- Agent profile: https://boon.ai/agents/sseinc-com

> A nationwide IT, cybersecurity, and compliance solutions provider helping organizations navigate regulatory requirements and secure technology operations.

Systems Service Enterprises Inc. (SSE) is a U.S.-based information technology, cybersecurity, compliance, and contracting solutions provider delivering services to clients across industries. SSE helps organizations navigate evolving regulatory requirements, achieve and maintain cybersecurity compliance, manage IT operations, and implement cloud and security-focused solutions. With a history dating back to 1966, SSE emphasizes client service and training, and positions itself as a trusted partner for readiness assessments, gap analyses, remediation, and ongoing compliance support.

**Mission:** Helping businesses achieve and maintain cybersecurity compliance through evolving regulations.

## Products & Services

### [CMMC Compliance Services](https://www.sseinc.com/cybersecurity-compliance/cmmc-compliance-services/)
*Service*
Achieve and maintain rigorous CMMC compliance with SSE's expert guidance.

- **CMMC Level 2 Certification** — Achieve Level 2 Certification
- **End‑to‑End Program Support** — Receive Comprehensive Support
- **Remediation Services** — Close Compliance Gaps
- **Gap Assessment Services** — Identify Compliance Gaps
- **Continuous Compliance Support** — Ensure Long-Term Compliance

### [NIST 800-171 Compliance Services](https://www.sseinc.com/cybersecurity-compliance/nist-compliance/)
*Service*
Enhance cybersecurity and achieve compliance with NIST 800-171 to secure DoD contracts.

- **Competitive Advantage Through Compliance** — Achieve Market Readiness
- **NIST 800-171 Compliance Guidance** — Navigate Compliance Requirements
- **Gap Assessment Services** — Identify Compliance Shortfalls
- **Continuous Compliance Support** — Ensure Long-Term Compliance

### [Cybersecurity Compliance](https://www.sseinc.com/cybersecurity-compliance/)
*Service*
Ensure continuous compliance and enhance your cybersecurity posture through tailored services.

- **Ongoing Compliance Assurance** — Guarantees Continuous Compliance
- **Outsourced Cybersecurity Management** — Reduces Internal Resource Load
- **Regulatory Alignment Support** — Utilizes Sector Expertise
- **Gap Assessments** — Pinpoints Vulnerabilities

### [CMMC C3PAO Assessment](https://www.sseinc.com/cmmc-c3pao-assessment/)
*Service*
Achieve CMMC compliance and secure DoD contracts with expert assessments.

- **Certified C3PAO Assessment** — Validate Compliance
- **Independent Evaluation** — Ensure Objectivity

### [CMMC Gap Assessment](https://www.sseinc.com/contact-us/gap-assessment/)
*Service*
Identify and document compliance gaps to achieve CMMC certification.

- **Deliverables Package** — Receive Comprehensive Assessments
- **Four‑Week Gap Analysis** — Complete Rapid Assessments
- **Remediation Recommendations** — Implement Targeted Improvements
- **Identification of Gaps** — Gain Clear Visibility into Compliance Status

### [CMMC Remediation](https://www.sseinc.com/cmmc-remediation/)
*Service*
Ensure compliance with CMMC requirements through tailored remediation services.

- **Policy and Procedure Documentation** — Standardize Documentation
- **SSP Finalization** — Complete SSP
- **Technical Control Improvements** — Implement Technical Controls

### [CMMC Readiness Assessment](https://www.sseinc.com/contact-us/cmmc-readiness-assessment/)
*Service*
Achieve CMMC compliance readiness with a structured evaluation and tailored roadmap.

- **Compliance Report** — Identifies Compliance Gaps
- **Fast Delivery Timeline** — Quick Results
- **Readiness Roadmap with Budget Guidance** — Customized Compliance Path

### [Managed IT Services](https://www.sseinc.com/managed-it-services/)
*Service*
Expert IT services to enhance operational efficiency and security for small and mid-sized businesses.

- **Multi-Layered Security** — Protects Against Cyber Threats
- **24x7 Help Desk** — Provides Continuous Support
- **Proactive IT Management** — Minimizes Operational Disruption
- **ISO 9001–style Processes** — Ensures Quality Service Delivery
- **Cloud M365 Services** — Optimizes M365 Usage
- **Co-Managed Services** — Enhances Internal IT Capabilities

### [Cloud Managed IT Services](https://www.sseinc.com/managed-it-services/cloud/)
*Service*
Streamline IT operations and enhance security with expert cloud-managed services.

- **Security Hardening** — Enhance Security Posture
- **Expert Configuration of M365** — Optimize Microsoft 365 Environment
- **Proactive IT Management** — Maintain Operational Efficiency

### [Co‑Managed IT Services](https://www.sseinc.com/managed-it-services/co-managed/)
*Service*
Augment your internal IT team with tailored tech and expert support for optimized operations.

- **Certified Professionals** — Leverage Certified Experts
- **Collaboration with Internal IT Team** — Collaborate Seamlessly

## Market Segments

- **CMMC compliance** (market size $3.5B, CAGR 80.5%): Assessment, remediation, and ongoing readiness services to achieve and maintain Cybersecurity Maturity Model Certification for defense contractors, including gap analysis, C3PAO assessment support, SPRS/NIST alignment, supply chain scoping, and vCISO guidance.
- **Cybersecurity assessment and remediation** (market size $15.4B, CAGR 8.2%): Gap and posture assessments with actionable remediation engineering, risk mitigation, and policy guidance to close control gaps and improve security posture.
- **Managed cloud and infrastructure operations** (market size $122.0B, CAGR 9.1%): Proactive managed services for cloud applications, infrastructure and workplace environments with continuous optimisation and governance.
- **Managed IT and vCIO** (market size $30.0B, CAGR 9.5%): Accountable day-to-day IT operations combined with strategic IT leadership and board-ready reporting for regulated mid-market organizations.