Windsor Group LLC is an award-winning professional services company headquartered in Bethesda, Maryland.
As a trusted partner to both public and private sector clients, Windsor delivers best-in-class solutions in a range of areas including: project & program management, staff augmentation, integrated call & contact center services, and IT solutions with a proven track record of high-quality results.
In 2024, Windsor Group LLC achieved remarkable milestones, earning spots on the Fast 50, Vet 100, and Inc. 5000 lists, celebrating its growth and leadership as a veteran-owned business.
The company was also recognized by the Washington Business Journal’s Fastest Growing Companies and Corporate Philanthropy Awards, showcasing its commitment to both business excellence and community impact.
At Windsor, we believe in fostering a culture of growth and collaboration. Join a team where your skills are valued, your ideas matter, and your career aspirations can thrive.
Whether you’re just starting out or looking to take your expertise to the next level, Windsor offers opportunities to make a meaningful impact in a dynamic and supportive environment.
GSA MAS
– 47QRAA21D006R
Oasis+
– 47QRCA25DS749 (SB)
– 47QRCA24DV358 (SDVOSB)
– 47QRCA24DW352 (WOSB)
– 47QRCA25DA044 (8a)
GSA 8(a) STARS III. 47QTCB21D0182
MAS 8(a) Pool. Sole Source & Competitive
MDA SHIELD. HQ085926DG132
CAGE. 62D24
UEI. PMLRMMNK8Y95
8(a). through July 28, 2029
SBA. SDVOSB, EDWOSB & WOSB
Maryland. VSBE, SBE, MBE & DBE
WBENC. WBE
Certifications. ISO 9001, 20000-1, 27001; CMMI/SVC ML3
541611 Primary
541519
541612
541618
561110
561320
561990
611430
info@windsorgroup-llc.com
240-600-0149
Based in Bethesda, MD
© 2026 Windsor Group LLC. All Rights Reserved. Developed by Mark Bohay Consulting LLC.
541611 Primary
541519
541612
541618
561110
561320
561990
611430
CAGE. 62D24
UEI. PMLRMMNK8Y95
8(a). through July 28, 2029
SBA. SDVOSB, EDWOSB & WOSB
Maryland. VSBE, SBE, MBE & DBE
WBENC. WBE
GSA MAS
– 47QRAA21D006R
– 47QRAA21D006S
Oasis+
GSA 8(a) STARS III
MAS 8(a) Pool
© 2026 Windsor Group LLC. All Rights Reserved. Developed by Mark Bohay Consulting LLC.
CAGE. 62D24
UEI. PMLRMMNK8Y95
8(a). through July 28, 2029
SBA. SDVOSB, EDWOSB & WOSB
Maryland. VSBE, SBE, MBE & DBE
WBENC. WBE
Certifications. ISO 9001, 20000-1, 27001; CMMI/SVC ML3
GSA MAS
– 47QRAA21D006R
Oasis+
– 47QRCA25DS749 (SB)
– 47QRCA24DV358 (SDVOSB)
– 47QRCA24DW352 (WOSB)
– 47QRCA25DA044 (8a)
GSA 8(a) STARS III. 47QTCB21D0182
MAS 8(a) Pool. Sole Source & Competitive
MDA SHIELD. HQ085926DG132
