WINDSOR GROUP LLC (MD)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2017
- $119.10M
- $119,103,082under this UEI
- FY2026 obligations
- $21.59M†
- $21,594,565ProvisionalFY2027 to date: $1.47M
- Awards and orders
- 126
- with positive net obligations15 IDV vehicles held
- Latest action
- Oct 20, 2026
- SAM.gov registration
- Active
- Registration expiration date Mar 31, 2027
Registration
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Jan 2, 2014 (12 years)
- Location
- Bethesda, MD
- State of incorporation
- Maryland
- Purpose of registration
- All Awards
- Website
- windsorgroup-llc.com
† FY2026 obligations (provisional; DoD awards signed after Aug 7, 2026 are not yet public).
‡ FY2027 to date.
Contract actions that the Department of Defense both funds and awards are withheld at the source for 90 days, so DoD awards signed after Aug 7, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI PMLRMMNK8Y95. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2017. 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
- FY2027: $1,465,893 (to date)
- FY2026: $21,594,565 (provisional)
- FY2025: $9,356,256
- FY2024: $18,683,402
- FY2023: $45,145,061
- FY2022: $10,873,457
- FY2021: $7,573,546
- FY2020: $4,241,030
Show all 10 yearsEarlier years (FY2017–FY2018)
- FY2018: $68,313
- FY2017: $101,559
Total across 10 fiscal years: $119,103,082
Top awarding agencies
- Department of Agriculture$33,883,967, 28.4%
- Department of Health and Human Services$25,086,356, 21.1%
- National Science Foundation$17,464,116, 14.7%
- Department of Defense$8,133,954, 6.8%
- Department of Veterans Affairs$6,962,995, 5.8%
Top awarding sub-agencies
- Office of the Chief Financial Officer$32,750,470, 27.5%
- Centers for Disease Control and Prevention$21,124,742, 17.7%
- National Science Foundation$17,464,116, 14.7%
- Department of Veterans Affairs$6,962,995, 5.8%
- U.S. Census Bureau$6,531,114, 5.5%
Top NAICS by obligations
- 541990All other professional, scientific, and technical services$9,713,987, 8.2%
- 541690Other scientific and technical consulting services$7,694,269, 6.5%
- 561110Office administrative services$5,363,991, 4.5%
Top product and service codes by obligations
- R418Support- professional: legal$34,740,054, 29.2%
- R499Support- professional: other$33,768,936, 28.4%
- R799Support- management: other$17,257,769, 14.5%
- R408Support- professional: program management/support$10,964,669, 9.2%
- R699Support- administrative: other$9,914,427, 8.3%
Capabilities
NAICS codes
- 541611Administrative Management and General Management Consulting Services(primary)Small
- 523999Miscellaneous Financial Investment ActivitiesSmall
- 541330Engineering Services
- 541410Interior Design Services
- 541430Graphic Design Services
- 541511Custom Computer Programming ServicesSmall
Show all 43 NAICS codes37 more NAICS codes
- 541512Computer Systems Design ServicesSmall
- 541513Computer Facilities Management ServicesSmall
- 541519Other Computer Related Services
- 541612Human Resources Consulting ServicesSmall
- 541613Marketing Consulting ServicesSmall
- 541618Other Management Consulting ServicesSmall
- 541690Other Scientific and Technical Consulting ServicesSmall
- 541810Advertising AgenciesSmall
- 541820Public Relations AgenciesSmall
- 541910Marketing Research and Public Opinion PollingSmall
- 541990All Other Professional, Scientific, and Technical ServicesSmall
- 561110Office Administrative ServicesSmall
- 561210Facilities Support ServicesSmall
- 561312Executive Search ServicesSmall
- 561320Temporary Help ServicesSmall
- 561410Document Preparation ServicesSmall
- 561422Telemarketing Bureaus and Other Contact CentersSmall
- 561439Other Business Service Centers (including Copy Shops)Small
- 561499All Other Business Support ServicesSmall
- 561591Convention and Visitors BureausSmall
- 561599All Other Travel Arrangement and Reservation ServicesSmall
- 561621Security Systems Services (except Locksmiths)Small
- 561720Janitorial ServicesSmall
- 561730Landscaping Services
- 561920Convention and Trade Show OrganizersSmall
- 561990All Other Support ServicesSmall
- 611420Computer TrainingSmall
- 611430Professional and Management Development TrainingSmall
- 611699All Other Miscellaneous Schools and InstructionSmall
- 611710Educational Support ServicesSmall
- 621399Offices of All Other Miscellaneous Health Practitioners
- 621511Medical LaboratoriesSmall
- 621999All Other Miscellaneous Ambulatory Health Care ServicesSmall
- 624310Vocational Rehabilitation ServicesSmall
- 711190Other Performing Arts CompaniesSmall
- 711510Independent Artists, Writers, and Performers
- 721199All Other Traveler Accommodation
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
- SBA-Certified Economically Disadvantaged Women-Owned Small Business, certified Mar 24, 2021
- SBA Certified 8(a) Program Participant, certified Jul 31, 2019, exit date Jul 30, 2029
- SBA-Certified Women-Owned Small Business, certified Mar 24, 2021
Business types self-reported in SAM.gov registration:
- Minority-Owned Business
- Self Certified Small Disadvantaged Business
- Women-Owned Small Business
- Women-Owned Business
- Veteran-Owned Business
- DOT Certified DBE
- Black American Owned
- Service-Disabled Veteran-Owned Business
Federal Capability Statement
Windsor Group is an 8(a), Veteran and Woman-owned Professional Services firm that brings strong qualifications and expertise in: 1. Project and Program Management 2. IT Support Services 3. Training and Learning Development Solutions 4. Staff Augmentation (Professional, Technical & Non-Technical / Perm & Temp) 5. Federal Human Capital / Human Resources. Windsor Group is a customer and quality focused organization. We employ a collaborative approach to achieve optimal results for our clients. Windsor Group differentiators include: Broad federal government experience in a myriad of functions; Proven recruiting expertise as evidenced by our high retention rate; Agile; Flexible and responsive; Customer focused.
Capabilities & Services
Contracts
Latest awards and orders
- 47QRCA25DS749Indefinite delivery contract (IDC)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- 47QRCA25DA044Indefinite delivery contract (IDC)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- 47QRCA24DW352Indefinite delivery contract (IDC)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- 47QRCA24DV358Indefinite delivery contract (IDC)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
- 36C26127F0007Delivery orderunder a federal supply schedule (FSS)Department of Veterans AffairsLatest action
- 47QACA26F0461BPA callunder a blanket purchase agreement (BPA)General Services AdministrationFederal Acquisition ServiceLatest action
- 1232SA25F0441Delivery orderunder a federal supply schedule (FSS)Department of AgricultureAgricultural Research ServiceLatest action
- 47QACA26C0082Definitive contractGeneral Services AdministrationFederal Acquisition ServiceLatest action
- 75D30124P19006Purchase orderDepartment of Health and Human ServicesCenters for Disease Control and PreventionLatest action
- 47QACA26F0462BPA callunder a blanket purchase agreement (BPA)General Services AdministrationFederal Acquisition ServiceLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for WINDSOR GROUP LLC lists a physical address and a separate mailing address, along with 4 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 without a real name are not shown.
Physical Address
6710A ROCKLEDGE DR
STE 400
BETHESDA, MD, 20817
USA
Mailing Address
P.O. Box 30314
BETHESDA, MD, 20824
USA
Government Business Contact
Diedre L. Windsor
Founder/President/CEO
P.O. BOX 30314
Bethesda, MD, 20824
USA
Electronic Business Contact
Diedre L Windsor
Founder/President/CEO
P.O. BOX 30314
Bethesda, MD, 20824
USA
Past Performance Contact
Diedre L Windsor
Founder/Owner/President/CEO
P.O. Box 30314
Bethesda, MD, 20824
USA
Past Performance Alternate Contact
Janice Braddock
Contracts Manager
6710A Rockledge Drive
Suite 400
Bethesda, MD, 20817
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
WINDSOR GROUP LLC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires March 31, 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
Registered for disaster relief contracting
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
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