OASIS+

GSA's flagship professional services Multi-Agency Contract. Successor to OASIS.

MAC Sponsor: GSA Ceiling $60B Active

Overview

OASIS+ is the next generation of GSA's One Acquisition Solution for Integrated Services. Covers professional services across program management, scientific, engineering, logistics, and financial. Open to all federal agencies. Multiple pools by size and set-aside.

Set-aside tracks

OASIS+ accepts the following socioeconomic pools:

How to pursue OASIS+

  1. Map your services to OASIS+ domains. Confirm which of the OASIS+ scope areas your firm covers.
  2. Confirm size standard. Set-aside pools have specific size thresholds — confirm yours fits.
  3. Submit during on-ramp. Strong past performance, financial statements, and a focused capability statement are critical.

Eligible NAICS

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FAQ

How does OASIS+ differ from GSA MAS?

OASIS+ is a smaller pool of pre-vetted primes for professional services TOs. MAS is open-ended with thousands of holders. OASIS+ TOs typically have shorter solicitation cycles and tighter scope.

Are OASIS+ on-ramps continuous?

GSA has signaled continuous-onramp intent for OASIS+. Specific windows are announced via Interact and SAM.gov.