Greystones Consulting Group, LLC (DC)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $58.86M
- $58,860,008under this UEI
- FY2026 obligations
- $4.98M†
- $4,978,833Provisional
- Awards and orders
- 34
- with positive net obligations13 IDV vehicles held
- Latest action
- Oct 12, 2026
- SAM.gov registration
- Active
- Registration expiration date Apr 2, 2027
Registration
- Doing business as
- GREYSTONES GROUP
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Sep 30, 1999 (27 years)
- Location
- Washington, DC
- State of incorporation
- District of Columbia
- Purpose of registration
- All Awards
- Website
- greystonesgroup.com
† FY2026 obligations (provisional; DoD awards signed after Jul 27, 2026 are not yet public).
Contract actions that the Department of Defense both funds and awards are withheld at the source for 90 days, so DoD awards signed after Jul 27, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI X5UBMDXTTTQ7. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2008. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2026: $4,978,833 (provisional)
- FY2025: $4,877,635
- FY2024: $4,510,959
- FY2023: $3,407,132
- FY2022: $3,090,927
- FY2021: $4,660,569
- FY2020: $4,600,177
- FY2019: $2,475,098
Show all 19 yearsEarlier years (FY2008–FY2018)
- FY2018: $5,100,795
- FY2017: $3,681,281
- FY2016: $1,749,820
- FY2015: $801,671
- FY2014: $2,811,594
- FY2013: $2,136,618
- FY2012: $2,005,335
- FY2011: $4,332,592
- FY2010: $1,106,925
- FY2009: $1,281,702
- FY2008: $1,250,346
Total across 19 fiscal years: $58,860,008
Top awarding agencies
- Department of Defense$54,943,781, 93.3%
- General Services Administration$3,903,928, 6.6%
- Department of Justice$12,299, <0.1%
Top awarding sub-agencies
- Department of the Navy$43,422,275, 73.8%
- Department of the Army$10,719,666, 18.2%
- Federal Acquisition Service$3,903,928, 6.6%
- Department of the Air Force$801,340, 1.4%
- Federal Prison System / Bureau of Prisons$12,299, <0.1%
Top NAICS by obligations
- 541330Engineering services$39,277,825, 66.7%
- 541512Computer systems design services$13,682,882, 23.2%
- 541990All other professional, scientific, and technical services$2,357,639, 4.0%
Top product and service codes by obligations
- R425Support- professional: engineering/technical$35,122,812, 59.7%
- D308IT and telecom- programming$8,109,015, 13.8%
- R706Support- management: logistics support$3,836,473, 6.5%
- R408Support- professional: program management/support$2,862,740, 4.9%
- R499Support- professional: other$2,357,639, 4.0%
Capabilities
NAICS codes
- 541330Engineering Services(primary)
- 541511Custom Computer Programming ServicesSmall
- 541512Computer Systems Design ServicesSmall
- 541513Computer Facilities Management ServicesSmall
- 541519Other Computer Related Services
- 541611Administrative Management and General Management Consulting ServicesSmall
Show all 19 NAICS codes13 more NAICS codes
- 541613Marketing Consulting ServicesSmall
- 541614Process, Physical Distribution, and Logistics Consulting ServicesSmall
- 541618Other Management Consulting ServicesSmall
- 541690Other Scientific and Technical Consulting ServicesSmall
- 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- 541990All Other Professional, Scientific, and Technical ServicesSmall
- 561210Facilities Support ServicesSmall
- 561320Temporary Help ServicesSmall
- 561499All Other Business Support ServicesSmall
- 561990All Other Support ServicesSmall
- 611420Computer TrainingSmall
- 611430Professional and Management Development TrainingSmall
- 611519Other Technical and Trade Schools
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
- SBA-Certified Women-Owned Small Business, certified Aug 13, 2021
Business types self-reported in SAM.gov registration:
- Women-Owned Small Business
- Women-Owned Business
Federal Capability Statement
Greystones Group, ranked by INC as one of the top 5000 fastest growing companies in the U.S., is a CMMI Services Level 3 appraised, ISO 9001:2015 certified, woman-owned small business (WOSB) and small disadvantaged business (SDB) headquartered in the Washington, DC area, with office locations in Washington, DC, Ft. Leavenworth, KS, Ft. Gordon, GA, and Huntsville, AL. Our company was founded in 2000 and has supported a wide variety of commercial, DoD, and other Federal Government clients, including the US Navy, US Army Cyber Command/2nd Army, Air National Guard (ANG), the Office of Naval Research (ONR), and the Headquarters Army, Deputy Chief of Staff Operations, Plans, and Training (G-3/5/7). Greystones’ core capabilities include a complete understanding of full spectrum cyberspace and electronic warfare operations, their planning, execution, analytics and assessments. Please visit our website www.greystonesgroup.com to learn more.
Capabilities & Services
Contracts
Latest awards and orders
- 47QTCA20D0076Federal supply schedule (FSS)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- N6426726F3002Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action
- W519TC24F0437Delivery orderunder a basic ordering agreement (BOA)Department of DefenseDepartment of the ArmyLatest action
- HQ085926FF597Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseMissile Defense AgencyLatest action
- N0017819D7736Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the NavyLatest action
- N0018926PW004Purchase orderDepartment of DefenseDepartment of the NavyLatest action
- N0017420F3004Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action
- HQ085926DF237Indefinite delivery contract (IDC)VehicleDepartment of DefenseMissile Defense AgencyLatest action
- N0018920F3032Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action
- FA861221D0144Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the Air ForceLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for Greystones Consulting Group, LLC lists a physical address and a separate mailing address, along with 5 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
300 M St SE Ste 325
Washington, DC, 20003
USA
Mailing Address
300 M Street Southeast 325
Washington, DC, 20003
USA
Government Business Contact
Sheila Duffy
Owner/CEO
300 M Street SE
Suite 325
Washington, DC, 20003
USA
Electronic Business Contact
Julie Lofreddo
HR Director
300 M Street SE
Suite 325
Washington, DC, 20003
USA
Past Performance Contact
Garrett Sharesky
Director of Ops
300 M Street SE, Suite 325
Washington, DC, 20003
USA
Government Business Alternate Contact
John Hopkin
COO
300 M Street SE
Suite 325
Washington, DC, 20003
USA
Electronic Business Alternate Contact
Sheila Duffy
CEO
300 M St. SE
Suite 325
Washington, DC, 20003
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
Greystones Consulting Group, LLC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires April 2, 2027.
Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.
Compliance & Risk Assessment
Source: SAM.gov FAR responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Not registered for disaster relief
Bonding Information
No bonding information provided
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District
Other contractors in District of Columbia with primary NAICS 541330
- Gryphon Technologies, L.C.Washington, DC
- Veracity Engineering LLCWashington, DC
- LS Technologies LLCWashington, DC
- Sayres and Associates LLCWashington, DC
- KBC Energy Solutions LLCWashington, DC
- JRC Integrated Systems, LLCWashington, DC