Nowen
Log inMeet your AI agent
SISystems Service Enterprises Inc. logo

Systems Service Enterprises Inc.

Unclaimed
www.sseinc.comSt. Louis, MO, United States

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

Overview

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 statement

Helping businesses achieve and maintain cybersecurity compliance through evolving regulations.

What would you like to do?
Analyze as a competitorCompare positioning, offers and segments against your own company.Evaluate as a vendorScore Systems Service Enterprises Inc. against alternatives on your own criteria.Claim this company's AI agentWork at Systems Service Enterprises Inc.? Improve your AI agent so it ranks higher when people ask AI about you.How AI sees this companyThe metadata, structured data and Markdown that assistants read.

What we offer

CMMC Compliance Services

Service

Achieve and maintain rigorous CMMC compliance with SSE's expert guidance.

www.sseinc.com/cybersecurity-compliance/cmmc-compliance-services/

NIST 800-171 Compliance Services

Service

Enhance cybersecurity and achieve compliance with NIST 800-171 to secure DoD contracts.

www.sseinc.com/cybersecurity-compliance/nist-compliance/

Cybersecurity Compliance

Service

Ensure continuous compliance and enhance your cybersecurity posture through tailored services.

www.sseinc.com/cybersecurity-compliance/

CMMC C3PAO Assessment

Service

Achieve CMMC compliance and secure DoD contracts with expert assessments.

www.sseinc.com/cmmc-c3pao-assessment/

CMMC Gap Assessment

Service

Identify and document compliance gaps to achieve CMMC certification.

www.sseinc.com/contact-us/gap-assessment/

CMMC Remediation

Service

Ensure compliance with CMMC requirements through tailored remediation services.

www.sseinc.com/cmmc-remediation/

CMMC Readiness Assessment

Service

Achieve CMMC compliance readiness with a structured evaluation and tailored roadmap.

www.sseinc.com/contact-us/cmmc-readiness-assessment/

Managed IT Services

Service

Expert IT services to enhance operational efficiency and security for small and mid-sized businesses.

www.sseinc.com/managed-it-services/

Cloud Managed IT Services

Service

Streamline IT operations and enhance security with expert cloud-managed services.

www.sseinc.com/managed-it-services/cloud/

Co‑Managed IT Services

Service

Augment your internal IT team with tailored tech and expert support for optimized operations.

www.sseinc.com/managed-it-services/co-managed/

Market segments

Market size by segment

Growth potential (CAGR)

CMMC compliance

3.5 Billion USD80.5% CAGR

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

15.4 Billion USD8.2% CAGR

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

122 Billion USD9.1% CAGR

Proactive managed services for cloud applications, infrastructure and workplace environments with continuous optimisation and governance.

Managed IT and vCIO

30 Billion USD9.5% CAGR

Accountable day-to-day IT operations combined with strategic IT leadership and board-ready reporting for regulated mid-market organizations.

More information about our offering

CMMC Compliance Services

Navigate the Cybersecurity Maturity Model Certification (CMMC) requirements for Levels 1–3 with a proven partner. SSE is CMMC Level 2 Certified with a perfect score and provides end‑to‑end guidance through every phase of the certification process for defense contractors. This service includes assessments to identify compliance gaps, remediation planning, and guidance to meet specific CMMC levels.

  • Achieve Level 2 Certification
    SSE’s expertise in CMMC assists organizations in obtaining Level 2 certification efficiently.
  • Receive Comprehensive Support
    From readiness assessments to remediation and ongoing support, SSE ensures your compliance journey is smooth.
  • Close Compliance Gaps
    Implement necessary documentation and controls to ensure successful compliance readiness.
  • Identify Compliance Gaps
    Thoroughly assess your compliance status against all CMMC requirements to highlight areas needing attention.
  • Ensure Long-Term Compliance
    Regular monitoring and updates are essential for adapting to evolving compliance requirements.

NIST 800-171 Compliance Services

Assist organizations in achieving NIST SP 800-171 compliance to safeguard controlled unclassified information. SSE helps implement required controls, strengthen cybersecurity posture, and position clients for competitive opportunities in DoD programs. This service includes guidance, gap assessments, and strategies for remediation.

  • Achieve Market Readiness
    Compliance enables organizations to secure contracts with the Department of Defense, enhancing business prospects.
  • Navigate Compliance Requirements
    Expert assistance in establishing compliance with specific NIST 800-171 standards reduces risk of penalties.
  • Identify Compliance Shortfalls
    Tailored assessments help organizations understand their current compliance posture and necessary remediation steps.
  • Ensure Long-Term Compliance
    Regular monitoring and updates are essential for adapting to evolving compliance requirements.

Cybersecurity Compliance

Outsource the management of your cybersecurity and maintain ongoing compliance. SSE’s cybersecurity compliance services help organizations stay aligned with evolving regulations and obtain confidence that controls and processes meet current requirements. This service encompasses oversight, guidance, and risk assessment.

  • Guarantees Continuous Compliance
    Ensures that your organization remains compliant with the latest cybersecurity regulations, protecting you from potential penalties.
  • Reduces Internal Resource Load
    Allows your staff to focus on core business functions while leveraging SSE’s expertise in cybersecurity management.
  • Utilizes Sector Expertise
    Leverages deep industry knowledge to ensure compliance with frameworks like NIST and CMMC.
  • Pinpoints Vulnerabilities
    Provides a comprehensive report highlighting areas needing improvement to achieve compliance.

CMMC C3PAO Assessment

CMMC C3PAO assessment services conducted by certified assessors to validate your cyber maturity level as part of DoD certification and eligibility. This includes independent evaluations to ensure compliance readiness.

  • Validate Compliance
    Receive an official endorsement of your organization's security posture for CMMC Level 2 certification.
  • Ensure Objectivity
    Receive a fair assessment that verifies your cybersecurity measures and compliance readiness.

CMMC Gap Assessment

A four‑week, evidence‑based gap analysis against all 110 NIST 800‑171 and CMMC Level 1/2 controls. Delivers a Security Assessment Report, a detailed compliance matrix, POAMs, and remediation recommendations to move toward certification.

  • Receive Comprehensive Assessments
    The package includes detailed documentation to guide compliance efforts.
  • Complete Rapid Assessments
    Our structured approach ensures timely identification of compliance gaps.
  • Implement Targeted Improvements
    Our recommendations help you address compliance deficiencies efficiently.
  • Gain Clear Visibility into Compliance Status
    Understanding your current standing allows for focused remediation efforts.

CMMC Remediation

Remediation services to close gaps identified in the gap assessment, including policy and procedure documentation, technical control improvements, and SSP finalization to support a successful certification.

  • Standardize Documentation
    Creates comprehensive policy documents to ensure compliance, reducing the effort required for audits.
  • Complete SSP
    Develops a thorough System Security Plan that reflects compliance efforts and meets auditing standards.
  • Implement Technical Controls
    Enhances network security and compliance by deploying essential technical controls to safeguard sensitive information.

CMMC Readiness Assessment

Pre‑certification readiness evaluation to map your path to CMMC compliance. Includes an initial summary review, a short practice survey, and a compliance report, plus a readiness roadmap with budget guidance delivered in one to two weeks.

  • Identifies Compliance Gaps
    A detailed report that highlights specific areas where compliance is lacking, offering businesses insights to meet CMMC requirements.
  • Quick Results
    Receive your readiness evaluation promptly, enabling swift action towards compliance.
  • Customized Compliance Path
    A tailored roadmap that delineates the steps needed to achieve compliance, along with financial planning.

Managed IT Services

Comprehensive IT operations management for small and mid-sized businesses, featuring 24x7 help desk, proactive IT management, a virtual CIO advisory, managed project services, and multi-layered security, all backed by ISO 9001 process governance.

  • Protects Against Cyber Threats
    Comprehensive security measures implemented to safeguard sensitive information and systems.
  • Provides Continuous Support
    Ensure immediate assistance for IT issues, minimizing downtime and operational disruption.
  • Minimizes Operational Disruption
    Continual oversight and management to avert IT issues before they impact business operations.
  • Ensures Quality Service Delivery
    Consistent application of quality standards to enhance service effectiveness and reliability.
  • Optimizes M365 Usage
    Comprehensive management and support for M365 environments, enhancing team communication and productivity.
  • Enhances Internal IT Capabilities
    Flexible support options allowing businesses to enhance their existing IT staff with additional expert resources.

Cloud Managed IT Services

Cloud managed IT services for infrastructure and Microsoft 365 environments, including expert M365 configuration, security hardening (e.g., MFA), license optimization, and seamless migration from on‑premises to the cloud.

  • Enhance Security Posture
    Implement advanced security measures including multi-factor authentication to protect against threats.
  • Optimize Microsoft 365 Environment
    Ensure your M365 setup meets your specific organizational security and operational needs.
  • Maintain Operational Efficiency
    Anticipate and resolve issues before they impact your business to ensure system reliability.

Co‑Managed IT Services

Co‑managed IT services that augment your internal IT team with SSE’s certified professionals, a vetted technology stack, and customizable, scalable solutions to deploy, manage, monitor, and optimize technology across your organization.

  • Leverage Certified Experts
    Access the expertise of certified professionals in cybersecurity and IT management tailored to your organization's needs.
  • Collaborate Seamlessly
    Enhance your IT capabilities by working collaboratively with SSE to fill gaps and ensure comprehensive support.

References

Methodology and sourcing behind the market figures shown above.

CMMC compliance

Primary basis: third-party CMMC services projection in the provided search results (growth from ~$56M pre-2024 to $3.5B by 2031). That trajectory implies very high CAGR (~80% between 2024–2031) for assessment/remediation/third-party readiness services. Secondary sources show broader CMMC total-compliance market at $2.1B (2024) to $6.7B (2033, ~15.8% CAGR) and a separate consulting-services estimate of USD 1.94B (2025) with a lower 5.21% CAGR to 2032; those indicate variation by scope (total compliance vs. consulting vs. third-party assessments). I used the explicit third-party projection as the closest match to the requested segment.

Cybersecurity assessment and remediation

Estimate based on published figures for the niche assessment services market and the larger security-services segment. A market report excerpt (verified/summary) lists Cybersecurity Assessment Service market size at USD 15.4B in 2024 with an 8.2% CAGR; Statista shows Security Services (broader category) at US$107.22B in 2026, indicating assessment/remediation is a subsegment of security services and consistent with the selected estimate.

Managed cloud and infrastructure operations

Primary estimate based on Fact.MR’s dedicated “Cloud Managed Services” report (USD 122.0B in 2025, CAGR 9.1%), which directly matches proactive managed cloud and infrastructure operations. MRFR’s broader Managed Services figures (USD 197.4B in 2024, CAGR ~7.2%) were used to show a larger market scope that includes non-cloud managed services. Fortune Business Insights’ cloud computing TAM (USD 781.27B in 2025) was referenced to contextualize total addressable cloud market supporting managed-services demand.

Managed IT and vCIO

Estimates use US managed-services benchmarks from MarketsandMarkets (US market USD 234.6B by 2031; 7.8% CAGR) and global context from CalitGroup. I assumed managed IT + advisory/vCIO revenue represents ~15–25% of total managed services, and that regulated mid-market organizations capture roughly 40–60% of that subsegment (higher outsourcing/compliance demand). Applying those ranges to the US market yields an estimated segment size near USD 30B and a growth potential modestly above the overall market (assumed premium due to regulatory/compliance-driven demand and advisory uptake).

Behind this profile

This is a public preview. Whoever claims it decides what it shows.

This profile was built from public information. Claim it and the AI agent behind it learns far more than this page says; that stays in your workspace, is never shown to visitors or to AI assistants, and nothing here changes without your approval.

Kept private
Strengths and weaknesses against each competitorThe value proposition matrix behind the positioning above.
BattlecardsHow to win against a named competitor, persona by persona.
AI visibility and citationsWhere assistants mention Systems Service Enterprises Inc., where they don't, and who they cite instead.
Site audit, keyword rankings and recommendationsWhat to fix so AI ranks Systems Service Enterprises Inc. higher.

Own this company? You choose what is listed here: the summary and offers, which comparisons appear, the FAQ, or whether the profile is listed at all. Unlisting takes one switch.

Claim this company's AI agent

This profile was built from public web sources. Is this your company? Take control → · Request removal →

Related Organizations