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Woman Owned Small BusinessWoman Owned BusinessVeteran Owned BusinessService Disabled Veteran Owned BusinessSmall Business
Overview
- Legal name
- WINDSOR GROUP LLC
- Registered location
- BETHESDA, MD, USA
- Website
- Company website ↗
- Primary NAICS
- 541611 — Administrative Management and General Management Consulting Services
- Latest award activity
- Sep 10, 2026
Read company summary
WINDSOR GROUP LLC is associated with UEI PMLRMMNK8Y95 and CAGE 62D24 in public federal records. AcornBids currently links 71 prime awards totaling $54.1M in obligations to this entity. Its largest recorded federal customer by obligations is Department of Health and Human Services. Its recorded federal awards include work classified as Administrative Management and General Management Consulting Services; Other Scientific and Technical Consulting Services; All Other Professional, Scientific, and Technical Services. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541611 (Administrative Management and General Management Consulting Services). Its public SAM.gov registration lists BETHESDA, MD, USA.
At a glance
Lifetime prime obligations$54.1M
Prime awards71
Awards with future end dates17
Top-agency concentration38.1%
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 4, 2026. Refresh pending; these totals may be out of date.
Business information
Public SAM.gov registration details.
- Legal name
- WINDSOR GROUP LLC
- UEI
- PMLRMMNK8Y95
- CAGE
- 62D24
- Registered address
- 6710A ROCKLEDGE DR, BETHESDA, MD, 20817, USA
- Registration status
- Active
- Primary NAICS
- 541611 — Administrative Management and General Management Consulting Services
- SAM activation
- Apr 7, 2026
- Initial registration
- Jul 4, 2010
- Entity start
- Jan 2, 2014
- SAM updated
- Apr 7, 2026
- Registration expires
- Mar 31, 2027
- Fiscal year end
- Dec 31
- Place of incorporation
- MD, USA
Research brief
Source facts
- Loaded prime-award records link 71 awards and $54,083,094 in reported obligations to this legal entity. Source
- Recorded awards include Administrative Management and General Management Consulting Services (NAICS 541611); this classification is not proof of every company capability. Source
- An example award describes: OFF-GRID ENERGY OFFICER BPA ORDER Source
Federal award analysis
Net transaction obligations by federal fiscal period.
Selected transaction obligations$38.5M
Prime contracts
Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 71 of 71 selected awards. Select a period to explore its awards.
Funding change
Dated, valued transaction obligations in equal-length adjacent periods; missing records are unknown. Default: last completed federal fiscal year. Percentage is unavailable when the prior period has no positive reported obligations.
| Measure | Reported value |
|---|---|
| Current period | Oct 1, 2025 – Sep 30, 2026 |
| Current obligations | $10.1M |
| Prior period | Oct 1, 2024 – Sep 30, 2025 |
| Prior obligations | $9.5M |
| Change | $550.5K |
| Growth | +5.8% |
Where the work is performed
AKMEVTNHWAIDMTNDMNWIMINYMAORNVWYSDIAILINOHPANJCTRICAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFL
State tile map; darker tiles have larger absolute net obligations. Outlined tiles indicate net deobligations. Unshaded tiles have no reported transactions in this selection. Other locations appear in the table.
Agencies
| Category | Period obligations | Awards |
|---|---|---|
| Department of Health and Human Services | $16.5M | 17 |
| Department of Commerce | $6.5M | 1 |
| National Science Foundation | $4.1M | 4 |
| Department of Veterans Affairs | $2.8M | 1 |
| Department of the Interior | $2.5M | 1 |
| U.S. International Development Finance Corporation | $2.0M | 7 |
| International Trade Commission | $1.1M | 8 |
| Department of the Treasury | $1.0M | 21 |
| General Services Administration | $755.8K | 6 |
| Department of Agriculture | $551.6K | 1 |
| Department of Defense | $511.1K | 2 |
| Department of Labor | $78.0K | 1 |
| Department of Justice | $-11.7K | 1 |
Offices
| Category | Period obligations | Awards |
|---|---|---|
| CDC OFFICE OF ACQUISITION SERVICES | $15.6M | 14 |
| DEPT OF COMMERCE CENSUS | $6.5M | 1 |
| DIV OF ACQ AND COOPERATIVE SUPPORT | $4.1M | 4 |
| 261-NETWORK CONTRACT OFFICE 21 (36C261) | $2.8M | 1 |
| IBC ACQ SVCS DIRECTORATE (00004) | $2.5M | 1 |
| OFFICE OF ACQUISITION | $2.0M | 7 |
| INTERNATIONAL TRADE COMMISSION, UNITED STATES | $1.1M | 8 |
| ARC DIV PROC SVCS - ADF | $1.0M | 21 |
| OMAS STRATEGIC BUYING CENTER - PROFESSIONAL SERVICES | $892.2K | 1 |
| OFFICE OF CENTRALIZED ACQUISITION SERVICES | $755.8K | 6 |
| USDA ARS AFM APD | $551.6K | 1 |
| WASHINGTON HEADQUARTERS SERVICES | $510.6K | 1 |
| DOL - CAS DIVISION 4 PROCUREMENT | $78.0K | 1 |
| MISSILE DEFENSE AGENCY (MDA) | $500 | 1 |
| HRSA HEADQUARTERS | $0 | 2 |
| JMD-PROCUREMENT SERVICES STAFF | $-11.7K | 1 |
Naics
Psc
Vehicles
| Category | Period obligations | Awards |
|---|---|---|
| Unclassified | $26.0M | 24 |
| 47QRAA21D006R | $9.6M | 10 |
| 47QACA26A0054 | $1.7M | 12 |
| 34300023A0007 | $1.1M | 8 |
| 20341924A00001 | $135.8K | 11 |
| HQ085926DG132 | $500 | 1 |
| 75R60223A00022 | $0 | 1 |
| 20341921A00005 | $-19.9K | 4 |
States
Set Asides
| Category | Period obligations | Awards |
|---|---|---|
| 8(A) SOLE SOURCE | $19.5M | 17 |
| WOMEN OWNED SMALL BUSINESS | $6.5M | 1 |
| Unclassified | $5.6M | 40 |
| NO SET ASIDE USED. | $3.9M | 10 |
| 8A COMPETED | $3.0M | 2 |
| SMALL BUSINESS SET ASIDE - TOTAL | $-11.7K | 1 |
Recent federal awards
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| 20341925F00006OFF-GRID ENERGY OFFICER BPA ORDER | General Services Administration | $278.7K | Sep 18, 2025 | Sep 29, 2026 |
| 20341926F00001USADF PROFESSIONAL SERVICES BPA CALL SENIOR FINANCIAL ANALYST | General Services Administration | $78.3K | Jun 5, 2026 | Sep 25, 2026 |
| 20341926F00002ORDER FOR EXTERNAL LEGAL COUNSEL SERVICES | General Services Administration | $13.1K | Sep 14, 2026 | Sep 29, 2026 |
| 49100424C0044INFORMATION TECHNOLOGY SUPPORT AND ANALYSIS SUPPORT SERVICES | National Science Foundation | $1.2M | Oct 1, 2024 | Sep 30, 2027 |
| 7571PS26P00317OS TECHNOLOGY TRANSFER AND INNOVATION SUPPORT | Department of Health and Human Services | $892.2K | Sep 30, 2026 | Sep 29, 2027 |
| 20341925F00001ENTREPRENEURSHIP OFFICER BPA ORDER | Department of the Treasury | $226.7K | Dec 13, 2024 | Sep 21, 2026 |
| 20341925F00001ENTREPRENEURSHIP OFFICER BPA ORDER | Department of the Treasury | $226.7K | Dec 13, 2024 | Sep 21, 2026 |
| 20341924F00010EXTERNAL AFFAIRS SPECIALIST BPA ORDER | General Services Administration | $177.9K | Aug 12, 2024 | Sep 24, 2026 |
| 20341924F00010EXTERNAL AFFAIRS SPECIALIST BPA ORDER | General Services Administration | $177.9K | Aug 12, 2024 | Sep 24, 2026 |
| 20341925F00002USADF PROFESSIONAL SERVICES BPA - GRANTS MANAGEMENT SPECIALIST | General Services Administration | $171.5K | Jan 24, 2025 | Sep 23, 2026 |
Upcoming positioning windows
Modeled recompete windows are estimates, not announced solicitations or guarantees.
Registration, certifications & contacts
| Registration evidence | Date |
|---|---|
| SAM updated | Apr 7, 2026 |
| Source loaded | Oct 17, 2026 |
| Initial registration | Jul 4, 2010 |
| Entity start | Jan 2, 2014 |
Expires Jul 30, 2029
SAM public SBA certification fieldsRegistration classifications: Self Certified Small Disadvantaged Business, Woman Owned Small Business, Woman Owned Business, Veteran Owned Business, Service Disabled Veteran Owned Business, Small Business, SBA Certified 8A Program Participant. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 523999 — Miscellaneous Financial Investment Activities | Not reported |
| 541330 — Engineering Services | Not reported |
| 541410 — Interior Design Services | Not reported |
| 541430 — Graphic Design Services | Not reported |
| 541511 — Custom Computer Programming Services | Not reported |
| 541512 — Computer Systems Design Services | Not reported |
| 541513 — Computer Facilities Management Services | Not reported |
| 541519 — Other Computer Related Services | Not reported |
| 541611 — Administrative Management and General Management Consulting Services | Not reported |
| 541612 — Human Resources Consulting Services | Not reported |
| 541613 — Marketing Consulting Services | Not reported |
| 541618 — Other Management Consulting Services | Not reported |
| 541690 — Other Scientific and Technical Consulting Services | Not reported |
| 541810 — Advertising Agencies | Not reported |
| 541820 — Public Relations Agencies | Not reported |
| 541910 — Marketing Research and Public Opinion Polling | Not reported |
| 541990 — All Other Professional, Scientific, and Technical Services | Not reported |
| 561110 — Office Administrative Services | Not reported |
| 561210 — Facilities Support Services | Not reported |
| 561312 — Executive Search Services | Not reported |
| 561320 — Temporary Help Services | Not reported |
| 561410 — Document Preparation Services | Not reported |
| 561422 — Telemarketing Bureaus and Other Contact Centers | Not reported |
| 561439 — Other Business Service Centers (including Copy Shops) | Not reported |
| 561499 — All Other Business Support Services | Not reported |
| 561591 — Convention and Visitors Bureaus | Not reported |
| 561599 — All Other Travel Arrangement and Reservation Services | Not reported |
| 561621 — Security Systems Services (except Locksmiths) | Not reported |
| 561720 — Janitorial Services | Not reported |
| 561730 — Landscaping Services | Not reported |
| 561920 — Convention and Trade Show Organizers | Not reported |
| 561990 — All Other Support Services | Not reported |
| 611420 — Computer Training | Not reported |
| 611430 — Professional and Management Development Training | Not reported |
| 611699 — All Other Miscellaneous Schools and Instruction | Not reported |
| 611710 — Educational Support Services | Not reported |
| 621399 — Offices of All Other Miscellaneous Health Practitioners | Not reported |
| 621511 — Medical Laboratories | Not reported |
| 621999 — All Other Miscellaneous Ambulatory Health Care Services | Not reported |
| 624310 — Vocational Rehabilitation Services | Not reported |
| 711190 — Other Performing Arts Companies | Not reported |
| 711510 — Independent Artists, Writers, and Performers | Not reported |
| 721199 — All Other Traveler Accommodation | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| DIEDRE L. WINDSOR | Government business | Contact method not published | SAM registration | Not available |
| DIEDRE L WINDSOR | Electronic business | Contact method not published | SAM registration | Not available |
| Kristin Grigsby | Contractor contract manager | kristin.grigsby@windsorgroupllc.net | Source | Oct 1, 2026 |
| Diedre Windsor | Contractor program manager | diedre@windsorgroupllc.net | Source | Oct 1, 2026 |
| Kristin Grigsby | Contractor contract manager | kristin.grigsby@windsorgroupllc.net | Source | Oct 1, 2026 |
| Diedre Windsor | Contractor program manager | diedre@windsorgroupllc.net | Source | Oct 1, 2026 |
| Kristin Grigsby | Contractor contract manager | kristin.grigsby@windsorgroupllc.net | Source | Oct 1, 2026 |
| Diedre Windsor | Contractor program manager | diedre@windsorgroupllc.net | Source | Oct 1, 2026 |
| Kristin Grigsby | Contractor contract manager | kristin.grigsby@windsorgroupllc.net | Source | Oct 1, 2026 |
| Diedre Windsor | Contractor program manager | diedre@windsorgroupllc.net | Source | Oct 1, 2026 |
| Published business contact | Published business phone | 410-903-6253 | Source | Sep 9, 2026 |
Registered industries
- 523999 — Miscellaneous Financial Investment Activities
- 541330 — Engineering Services
- 541410 — Interior Design Services
- 541430 — Graphic Design Services
- 541511 — Custom Computer Programming Services
- 541512 — Computer Systems Design Services
- 541513 — Computer Facilities Management Services
- 541519 — Other Computer Related Services
- 541611 — Administrative Management and General Management Consulting Services
- 541612 — Human Resources Consulting Services
- 541613 — Marketing Consulting Services
- 541618 — Other Management Consulting Services
- 541690 — Other Scientific and Technical Consulting Services
- 541810 — Advertising Agencies
- 541820 — Public Relations Agencies
- 541910 — Marketing Research and Public Opinion Polling
- 541990 — All Other Professional, Scientific, and Technical Services
- 561110 — Office Administrative Services
- 561210 — Facilities Support Services
- 561312 — Executive Search Services
- 561320 — Temporary Help Services
- 561410 — Document Preparation Services
- 561422 — Telemarketing Bureaus and Other Contact Centers
- 561439 — Other Business Service Centers (including Copy Shops)
- 561499 — All Other Business Support Services
- 561591 — Convention and Visitors Bureaus
- 561599 — All Other Travel Arrangement and Reservation Services
- 561621 — Security Systems Services (except Locksmiths)
- 561720 — Janitorial Services
- 561730 — Landscaping Services
- 561920 — Convention and Trade Show Organizers
- 561990 — All Other Support Services
- 611420 — Computer Training
- 611430 — Professional and Management Development Training
- 611699 — All Other Miscellaneous Schools and Instruction
- 611710 — Educational Support Services
- 621399 — Offices of All Other Miscellaneous Health Practitioners
- 621511 — Medical Laboratories
- 621999 — All Other Miscellaneous Ambulatory Health Care Services
- 624310 — Vocational Rehabilitation Services
- 711190 — Other Performing Arts Companies
- 711510 — Independent Artists, Writers, and Performers
- 721199 — All Other Traveler Accommodation
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
Teaming relationships
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
| Relationship | Reported parties | Dates | Evidence |
|---|---|---|---|
| mentor protege | PMLRMMNK8Y95 (protege) / Midtown Personnel, Inc. | Jul 25, 2025 – Not available | SBA active mentor-protégé list |
Contract vehicle holdings
Reported holders; a parent award identifier alone is not proof of a current vehicle seat.
| Vehicle | Reported status | Ordering ends | Evidence |
|---|---|---|---|
| OASIS+8A — 47QRCA25DA044 | active | Not available | Source |
| OASIS+SB — 47QRCA25DS749 | active | Not available | Source |
| OASIS+VO — 47QRCA24DV358 | active | Not available | Source |
| OASIS+WO — 47QRCA24DW352 | active | Not available | Source |
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Data coverage and methodology
Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
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