PLEX Solutions

What PLEX Solutions does

PLEX Solutions, LLC is a U.S. federal contractor founded in 2014 and headquartered in Columbia, Maryland, with additional offices in Chantilly, Virginia, and Huntsville, Alabama. The firm delivers cybersecurity, software, hardware, and systems engineering services to the U.S. Intelligence Community, Department of Defense, and federal civilian agencies, operating through two divisions: PLEX Cyber, NSA-accredited for vulnerability assessments and penetration testing, and PLEX Solutions, which provides cyber operations, enterprise IA security engineering, intelligence and cyber analysis, and systems/mission engineering. PLEX participates annually in the USAF Space Security Challenge (Hack-A-Sat) with consistent top-10 finishes, signaling elite offensive cyber tradecraft that supports both defense and intelligence mission work.

PLEX monetizes primarily through professional services under IDIQ contracts and direct procurement with federal customers. Its flagship product, TECTIX, is a full-lifecycle RMF automation platform that replaces manual ATO workflows with intelligent, automated ones; Version 2.6 (April 2026) introduced NLP data hygiene, STIG compliance automation, an RMF task and work-order tracker, and an overhauled testing engine, and is now patent pending. TECTIX integrates natively with eMASS, SIEM platforms, ACAS, HBSS, and STIG toolsets and is offered to federal customers via a pilot program with direct engagement. PLEX also operates PLEXWorx, an internal R&D cadre that reinvests up to 35% of project profits into innovation, and an open-source program (OpenSourcery) on GitHub anchored by the Readhook penetration-testing tool.

In November 2025, PLEX was acquired by Markon, a national mission integrator focused on federal cybersecurity and enterprise technology, expanding its reach into zero-trust architecture, agentic AI, autonomous threat simulation, and ICS cybersecurity. In December 2025, the company was awarded the MDA SHIELD IDIQ contract with a $151B ceiling, providing substantial long-term task-order access into missile-defense and homeland-security work. Founders Paul Weidow (President) and Stan Nolen (EVP/CTO) remain in leadership, supported by a bench of senior executives drawn from NSA, CIA, and DoD.

Name

PLEX Solutions

Legal name

PLEX Solutions, LLC

Website

https://plex-llc.com

Company type

Private

Founded year

2014

Operating status

Acquired

Headcount range

11–50 employees

Short description

PLEX Solutions is a Maryland-based federal cybersecurity and engineering contractor serving the U.S. Intelligence Community, DoD, and federal civilian agencies. It delivers NSA-accredited cyber testing, mission engineering, and the TECTIX RMF automation platform, and was acquired by Markon in 2025.

Ownership category

akta.pro rank

Product category

Government Cybersecurity Services

NAICS

Computer Systems Design and Related Services (5415), Custom Computer Programming Services (541511), Software Publishers (513210)

SIC

Services-Computer Programming Services (7371), Services-Computer Integrated Systems Design (7373), Services-Prepackaged Software (7372)

akta.pro primary industry

Security Incident Response (IR) & Digital Forensics Services (BPAEADAI)

akta.pro secondary industries

Application Security & DevSecOps Services (BPAKAHAJ), Security Operations Center (SOC) as a Service (BPAEADAB)

Keywords

• Government cybersecurity services
• Penetration testing services
• Risk management framework automation
• Defense contractor cybersecurity
• Intelligence community cyber operations

Headquarters

HQ city

Bethesda

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Cybersecurity Consulting Services: Offensive and defensive cyber operations, penetration testing, vulnerability assessments, digital forensics, incident response, and cyber analysis services for government and commercial clients.
2. RMF Automation Platform (TECTIX): Software platform for federal agencies to automate Risk Management Framework (RMF) processes for Authorization to Operate (ATO). Offered through pilot programs and enterprise licensing.
3. Government Contract Services: Full-spectrum cyber operations, enterprise IA security engineering, intelligence and cyber analysis, software engineering, and systems engineering for IC, DoD, and federal civilian agencies through IDIQ and other contract vehicles.

Pricing tiers

Go-to-market motion2 records

Distribution channels1 record

Marketing channels5 records

Core offering

PLEX Solutions provides advanced cybersecurity services, software development, and technology engineering primarily for U.S. Intelligence Community, Department of Defense, and federal civilian agencies. Offerings are organized into two service divisions (PLEX Cyber for offensive/defensive cyber, PLEX Solutions for systems/hardware/software/cyber engineering) and one proprietary software product (TECTIX) that automates the Risk Management Framework and Authorization to Operate process.

Product overview

PLEX Solutions offers a portfolio of cybersecurity services and products organized into two main divisions: PLEX Cyber and PLEX Solutions. PLEX Cyber provides adversarial simulation, penetration testing, cloud testing, digital forensics, incident response, and security risk assessments, accredited by the NSA. PLEX Solutions serves government clients with cyber operations, enterprise cybersecurity engineering, hardware engineering, intelligence analysis, software engineering, and systems engineering. The company also offers TECTIX®, a proprietary RMF automation platform (patent pending as of 2026) that transforms how federal agencies achieve and maintain Authorization to Operate through intelligent, AI-powered automated workflows, with native integrations to eMASS, SIEM, ACAS, HBSS, and STIG toolsets.

Differentiator

Problem solved

Functional benefit

Brands

• TECTIX: A full-lifecycle RMF (Risk Management Framework) automation platform that replaces repetitive manual effort with intelligent, automated workflows for federal agencies achieving and maintaining Authorization to Operate (ATO). Version 2.6 released in April 2026 with AI/ML capabilities and patent pending status.
• PLEXWorx

Products and services

• PLEX Cyber

Quantifiable outcome

• Significant reduction of labor hours per package review for RMF ATO processes using TECTIX platform at enterprise scale

Named customers8 records

Segments4 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

AI capability4 records

Feature4 records

Partnerships

One partnership is on record.

• Missile Defense Agency (MDA)coreOthers · 1 December 2025PLEX was awarded the MDA Scalable Homeland Innovative Enterprise Layered Defense (SHIELD) indefinite-delivery/indefinite-quantity (IDIQ) contract with a ceiling of $151B. This contract encompasses a broad range of work areas that allows for the rapid delivery of innovative capabilities to the warfighter with increased speed and agility.

Scale indicators4 records

Recent moves5 records

Expansion highlights6 records

Direct peers

• Varen Technologies: Federal small business focused on cyber, SIGINT, and IT services for the IC and DoD — directly comparable in size, mission focus, and customer set, and notably the prior employer of PLEX's founder Paul Weidow.
• Telos Corporation: Federal compliance and cyber services provider with an installed base in RMF/ATO tools and IDIQ contract vehicles — comparable to PLEX on both the platform and services axes.
• DarkWolf Technology Solutions: Small-business federal integrator delivering cyber, software, and mission services to IC and DoD customers — comparable in size, contracting posture, and service portfolio to PLEX Cyber and PLEX Solutions.
• Xacta (by Teleport): Established commercial-off-the-shelf RMF/ATO automation platform widely deployed across DoD and federal agencies — the closest direct product competitor to PLEX's TECTIX.

Emerging players

• RegScale: Cloud-native compliance and RMF/CMMC automation platform pursuing federal and defense customers — an emerging peer with overlapping value proposition to TECTIX on AI-driven GRC workflows.

Broad incumbents

• SAIC: Major federal IT and cyber services integrator with deep DoD/IC past performance — directly comparable on cyber operations, systems engineering, and RMF/ATO support tasking.
• ManTech International: Large mid-tier federal cyber and intelligence services prime, now part of Global Industries — directly competes for the same IC/DoD cyber task orders that PLEX targets, with deeper resources and past-performance breadth.
• CACI International: Federal IT and cyber services prime with substantial IC and DoD business, including offensive cyber and signals intelligence — directly comparable across PLEX's full-spectrum cyber service lines.
• Leidos: Top-tier federal systems integrator with large cyber, intel, and missile-defense portfolios — competes against PLEX on defense and IC cyber task orders and as a likely prime competitor on SHIELD task order awards.
• Booz Allen Hamilton: Largest single federal cyber and IC services incumbent — competes against PLEX on enterprise IA security engineering, cyber operations, and CISO advisory work across the federal landscape.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• GitHubgithub.com/PLEXSolutions
• Xx.com/PLEX_LLC

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles22 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about PLEX Solutions