Greystones Group

Greystones Group

Cybersecurity, software, data management for DoD

Overview

Greystones Group provides mission-focused IT and cybersecurity services to DoD and federal agencies. It delivers cybersecurity operations, threat analysis and assessment, software development, data management, and multinational interoperability planning. Their solutions are built by adapting best practices and technologies from the commercial sector to military and government needs, and are implemented through defined requirements, rigorous development processes, and a focus on interoperability. The company differentiates itself as a Woman Owned Small Business with ISO 9001:2015 and CMMI DEV 3 certifications, a track record across the US Navy, Army Cyber Command, ANG, ONR, GSA, and IRS, and a emphasis on practical, cost-effective, mission-oriented outcomes. Its goal is to help clients achieve mission success and material readiness by addressing security and readiness challenges with reliable, standards-compliant solutions.

Significant Headcount Growth

About Greystones Group

Simplify's Rating
Why Greystones Group is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Company Size

51-200

Company Stage

N/A

Total Funding

N/A

Headquarters

Washington DC, District of Columbia

Founded

2000

Get referred to Greystones Group

See people who can refer or advise you

Simplify Jobs

Simplify's Take

What believers are saying

  • June 2026 NAVSEA award added up to $28 million for Navy modernization.
  • March 2026 ARL CRADA validates Soleite inside Army LVC modernization work.
  • July 2026 hired Garrett Sharesky to tighten operations during growth execution.

What critics are saying

  • Revenue concentration rises with NAVSEA SEA 06D and ARL programs, both federal-dependent.
  • The $28 million NAVSEA award uses option periods, exposing 2027 follow-on risk.
  • If Soleite misses field demonstrations, ARL can pivot to larger primes quickly.

What makes Greystones Group unique

  • Greystones pairs Soleite with Army DEVCOM ARL for AI-enabled LVC data integration.
  • It sells mission software and program management together, unlike pure-play defense consultancies.
  • Woman-owned small business status supports set-aside access across DoD and civilian agencies.

Help us improve and share your feedback! Did you find this helpful?

Growth & Insights and Company News

Headcount

6 month growth

20%

1 year growth

20%

2 year growth

15%
Greystones Group
Jul 28th, 2026
Driving innovation beyond the lab: John Hopkin selected as panelist for Doolittle Institute's Innovation Discovery Event 2026.

Driving innovation beyond the lab: John Hopkin selected as panelist for Doolittle Institute's Innovation Discovery Event 2026. Greystones Group is proud to congratulate John Hopkin, its Chief Operating Officer, on being selected to serve as a panelist at the Doolittle Institute's Innovation Discovery Event 2026, taking place on July 23, 2026, in Niceville, Florida. The Doolittle Institute's Innovation Discovery Events are designed to accelerate the transition of emerging technologies from research to real-world application. These events bring together federal researchers with experts from industry, academia, government, small businesses, and the entrepreneurial community to evaluate innovative concepts and identify opportunities for technology commercialization and operational use. As a panelist, John will collaborate with fellow experts to evaluate promising technologies and engage directly with the innovators developing them. His responsibilities include: * Reviewing and assessing innovative concepts and proposals * Providing feedback through discussions with researchers and technology developers * Identifying practical applications, commercialization opportunities, and pathways for successful technology transition Innovation is most impactful when groundbreaking ideas can move beyond the laboratory and into the hands of the organizations that need them most. Events like the Innovation Discovery Event play a critical role in connecting researchers, industry leaders, and government stakeholders to accelerate that process. John's participation reflects Greystones Group's continued commitment to advancing defense innovation, supporting technology transition, and helping deliver mission-critical capabilities to its government partners. Greystones Group congratulate John on this opportunity to contribute his expertise and look forward to the innovations and collaborations that emerge from this year's event.

Intelligence Community News
Jul 27th, 2026
Garrett Sharesky joins Greystones Group.

Garrett Sharesky joins Greystones Group. 0 Comments On July 27, Greystones Group announced that Garrett Sharesky has joined the company as director of operations. In this role, Sharesky will help lead operational strategy and execution, strengthen organizational performance, and support the company's continued growth across the Department of Defense and federal government markets. Sharesky brings extensive executive leadership experience in strategic growth, program execution, business development, and operational excellence. Throughout his career, he has led complex engineering, cybersecurity, software, and information technology portfolios while helping organizations expand capabilities, pursue new opportunities, and deliver innovative solutions in support of critical government missions. "Garrett brings an exceptional combination of operational leadership, federal market expertise, and a strong commitment to mission success," said Sheila Duffy, CEO, Greystones Group. "His experience and collaborative leadership approach will be a tremendous asset as Greystones continues to grow, strengthen our operations, and deliver innovative solutions to our customers." As director of operations, Sharesky will play a key role in advancing Greystones Group's strategic priorities, supporting program performance, and strengthening the operational foundation needed to position the company for sustained growth and long-term success, the company said. Keep up with your competitors by following notable executive moves across the IC contracting space - become a paid subscriber to IC News.

Greystones Group
Jul 27th, 2026
Greystones Group welcomes Garrett Sharesky as Director of Operations.

Greystones Group welcomes Garrett Sharesky as Director of Operations. Washington, D.C. - July 27, 2026 - Greystones Group, a woman-owned small business delivering innovative digital solutions to the United States military and civilian federal government, is pleased to announce that Garrett Sharesky has joined the company as Director of Operations. In this role, Garrett will help lead operational strategy and execution, strengthen organizational performance, and support the company's continued growth across the Department of Defense and federal government markets. Garrett brings extensive executive leadership experience in strategic growth, program execution, business development, and operational excellence. Throughout his career, he has led complex engineering, cybersecurity, software, and information technology portfolios while helping organizations expand capabilities, pursue new opportunities, and deliver innovative solutions in support of critical government missions. "Garrett brings an exceptional combination of operational leadership, federal market expertise, and a strong commitment to mission success," said Sheila Duffy, CEO, Greystones Group. "His experience and collaborative leadership approach will be a tremendous asset as Greystones continues to grow, strengthen our operations, and deliver innovative solutions to our customers." With deep expertise in federal acquisition, capture strategy, program execution, and organizational transformation, Garrett has a proven ability to translate strategic vision into measurable results. He is recognized for building high-performing teams, aligning organizational priorities with customer mission objectives, and driving both financial and operational performance. As Director of Operations, Garrett will play a key role in advancing Greystones Group's strategic priorities, supporting program performance, and strengthening the operational foundation needed to position the company for sustained growth and long-term success. About Greystones Group Greystones Group is a certified Woman Owned Small Business headquartered in Washington, DC. Greystones Group is proud to support its Nation's Defense and Critical Infrastructure Agencies by providing mission-focused solutions and services that ensure mission success. Greystones Group provide rapid DevSecOps and proven artificial intelligence solutions for mission critical systems to reduce operators' cognitive load, and allow for better, faster decisions. For media inquiries, please contact: Maria Bradley Greystones Group 415-509-0498

Greystones Group
Mar 27th, 2026
Army Research Lab, Greystones partner to advance AI for LVC Toolkit.

Army Research Lab, Greystones partner to advance AI for LVC Toolkit. Executive Gov highlights Greystones partnership with Army Research Lab to advance AI for LCV Toolkit through a cooperative research and development agreement (CRADA). Read more here.

Intelligence Community News
Mar 24th, 2026
Greystones Group and ARL enter CRADA.

Greystones Group and ARL enter CRADA. 0 Comments On March 23, Greystones Group announced that it has entered into a Cooperative Research and Development Agreement (CRADA) with the U.S. Army Combat Capabilities Development Command (DEVCOM) Army Research Laboratory (ARL). The collaboration will focus on advancing artificial intelligence, data orchestration, and automation capabilities across ARL's Live, Virtual, and Constructive (LVC) Toolkit in support of Army modernization priorities. Through the CRADA, ARL and Greystones will jointly research and develop an AI-enabled data fabric that integrates heterogeneous simulation, sensor, and mission systems across live, virtual, and constructive environments. The Greystones Group Soleite platform will serve as the foundational framework, providing a unified data catalog, API orchestration layer, and event-driven pipelines to simplify system integration, while maintaining security and governance in air-gapped and contested environments. The collaboration will also explore the development of proprietary AI copilots and agentic workflows to support natural-language interaction, automation, and context-aware decision support for researchers and engineers. "This CRADA reflects the Army's continued commitment to implementing artificial intelligence in realistic research and experimentation environments," said Dr. Kristin Schaefer-Lay, LVC toolkit team lead and CRADA technical point of contact at ARL. Intelligence Community News is accelerating its ability to integrate AI-enabled data orchestration and agent technologies into the LVC Toolkit in a way that supports modularity, scalability, and future Army use cases." Under the agreement, ARL and Greystones Group will each contribute personnel, infrastructure, software and technical expertise. Planned activities include system integration, development of custom AI agents for multi-source tactical edge processing, and a stakeholder demonstration at the Robotics Research Collaboration Campus in Middle River, Maryland. "Greystones is honored to partner with ARL on this important effort," said Sheila Duffy, founder and CEO of Greystones Group. "This CRADA allows us to apply our Soleite platform and Soleite Mission Edge capabilities to a critical Army research environment, advancing AI-enabled data integration, autonomy, and decision support across live and simulated domains. We see this collaboration as a meaningful step toward transitioning innovative AI solutions from research into operational relevance." Stay in the know with breaking news from across the IC and IC contracting landscape by becoming a paid subscriber to IC News. Your support makes its work possible.

Recently Posted Jobs

Sign up to get curated job recommendations

Greystones Group is Hiring for 2 Jobs on Simplify!

Find jobs on Simplify and start your career today

Don't see your dream role? Check out thousands of other roles on Simplify. Browse all jobs →