This opportunity is closed.The response deadline was Mar 13, 2026.
GENERAL SERVICES ADMINISTRATION / OFFICE OF ADMINISTRATIVE SERVICES / OAS OFFICE OF INTERNAL ACQUISITION / OFFICE OF ADMINISTRATIVE SERVICES
NAICS
541519
Set-Aside
Full & Open
Place of Performance
Washington, DC
Competition
Full And Open
Award Type
Firm Fixed Price
GSA is seeking industry input on capabilities to modernize and maintain the G-REX platform, an Appian-based mission-critical system supporting the Public Buildings Service in real estate management. This is a Sources Sought notice to gauge market capabilities for operations, maintenance, and modernization services.
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Sign InEstimated team size: 10+
Clearance
None
Delivery Type
Service
Complexity
High
Remote Eligible
Hybrid
Travel
Minimal
Evaluation
Best Value
Submission Complexity
Moderate
Past Performance Req.
Yes
Incumbent Advantage
High
Protest Risk
Low
Follow-On Potential
Yes
Data Rights
Government Purpose
Tech Stack
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