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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

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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

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Simplify's take

What believers are saying

  • June 2026 $28 million NAVSEA contract expands revenue and embeds Greystones in Navy modernization.
  • May 2026 CMMC Level 2 certification strengthens federal sales credibility for classified programs.
  • 2026 Tradewinds awardability and ASNE/NAML visibility accelerate product commercialization around Soleite Fleet Edge.

What critics are saying

  • If NAVSEA modernization funding stalls, Greystones loses its anchor customer and growth engine.
  • Soleite remains unproven at scale; one failed Navy demonstration can stall productization.
  • Large primes like GDIT and Leidos can bundle similar AI services and squeeze margins.

What makes Greystones Group unique

  • June 2026 NAVSEA award proves Greystones sells AI-enabled modernization support, not generic staffing.
  • March 2026 ARL CRADA puts Soleite inside Army LVC Toolkit research workflows.
  • September 2026 ASNE selection validates niche expertise in unmanned maritime sustainment analytics.

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Growth & Insights and Company News

6 month growth

1%

1 year growth

20%

2 year growth

18%
Greystones Group
Oct 21st, 2026
Greystones Group named 2027 Elev8 GovCon Honoree for second consecutive year.

Greystones Group named 2027 Elev8 GovCon Honoree for second consecutive year. WASHINGTON, D.C. - October 21, 2026 - Greystones Group, a woman-owned small business delivering innovative digital solutions to the U.S. military and federal civilian agencies, has been named a 2027 Elev8 GovCon Honoree for the second consecutive year. The Elev8 GovCon Award recognizes federal government contractors that exemplify #DoItTheRightWay through excellence in innovation, collaboration, talent development, community engagement, sustainability, and continuous improvement. The Federal GovCon sector continues to be one of the most complex and competitive marketplaces in the world and the consistent and long-term winners of today and tomorrow are those companies which understand they must not only bring to the table efficient and effective solutions, but also a corporate culture that demonstrates their own excellence, making them a beacon for talent, for partners, and for clients. The recognition caps a year of momentum for Greystones Group. The company was named a 2026 NVTC AI50 Honoree. Its Soleite Fleet Edge(TM) solution was designated "Awardable" on the Chief Digital and Artificial Intelligence Office's Tradewinds Solutions Marketplace. "Agencies are moving fast to field AI, and they need partners who can deliver it responsibly and keep the talent to sustain it," said Sheila Duffy, CEO of Greystones Group. "That's what Elev8 measures, and it's what our team has focused on this year, from getting Soleite Fleet Edge on Tradewinds to growing leaders from within. This recognition is theirs." Greystones leaders were recognized across the GovCon community this year. Duffy was named a DCA Live Rising Star of GovCon and a 2026 IGNITE honoree, and CTO John Mark Suhy was named to the Accelerate 125. The company also continued to grow its team and promote from within, expanding leadership opportunities for employees. About Greystones Group Greystones Group is a certified woman-owned small business headquartered in Washington, D.C. The company supports the nation's defense and critical infrastructure agencies with mission-focused solutions and services, including rapid DevSecOps and proven artificial intelligence solutions for mission-critical systems. Its work reduces operators' cognitive load and enables better, faster decisions. For more information, visit www.greystonesgroup.com.

Greystones Group
Sep 16th, 2026
Greystones Group technical paper selected for presentation at the American Society of Naval Engineers Fleet Maintenance & Modernization Symposium 2026.

Greystones Group technical paper selected for presentation at the American Society of Naval Engineers Fleet Maintenance & Modernization Symposium 2026. WASHINGTON, D.C. - Sept. 16, 2026 - Greystones Group, a woman-owned small business delivering innovative digital solutions to the United States military and civilian federal government, today announced that its technical paper has been accepted for presentation at the American Society of Naval Engineers (ASNE) Fleet Maintenance & Modernization Symposium (FMMS) 2026. The paper describes a reference architecture for applying AI to maintenance processes, schedules, and technical data supporting distributed and unmanned maritime assets, including unmanned vessels (UVs). The paper is presented in general terms and does not describe any fielded system, program of record, or customer environment. It reflects Greystones' ongoing independent research investment in data-driven sustainment and readiness, an area in which the company applies proven AI and machine learning technologies to reduce operator cognitive load and enable better, faster decisions. "Sustainment is one of the areas where AI can make the most immediate difference, and FMMS is the right forum to work through how," said Sheila Duffy, CEO and Founder of Greystones Group. "As the fleet's reliance on unmanned vessels grows, so does the need for maintenance and readiness approaches built specifically for these platforms. We're proud to share our technical perspective with the naval engineering community and to contribute to the conversation on how technology can accelerate fleet readiness." FMMS 2026 will take place September 22-24, 2026, at the Virginia Beach Convention Center in Virginia Beach, Virginia, under the theme "From Foundry to Fleet: Delivering Readiness & Capability." The symposium brings together the U.S. Navy, U.S. Coast Guard, U.S. Marine Corps, Military Sealift Command, industry, academia, and the broader naval ship maintenance and modernization community for an open exchange of technical information on ship maintenance and modernization. The FMMS agenda features senior military keynotes, industry speakers, panels, an Innovation Theater, and technical paper presentations. The FMMS selection adds to a period of growing momentum for Greystones in naval maintenance and modernization. The company continues to invest in research and development of AI-enabled maintenance tracking and data analytics capabilities for distributed and unmanned maritime systems, and was selected earlier this year to present at the Naval Applications of Machine Learning (NAML) 2026 conference. About Greystones Group Greystones is a certified WOSB, 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 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
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

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