One Acquisition Solution for Integrated Services (OASIS+) Multi-Agency Contract (MAC) Indefinite-Delivery Indefinite-Quantity (IDIQ) Unrestricted
Past New Requirement Updated
- Agency
-
Federal Acquisition Service
General Services Administration
- Solicitation expected
- Estimated value
- $1,000,000,000 to $1,900,000,000
- Set-aside
- No set-aside
Forecast facts
- Anticipated award
- NAICS code
- 541990 All Other Professional, Scientific, and Technical Services
- Forecast number
- 39995
- Points of contact
-
- Valerie Ates oasisplus@gsa.gov
Forecast details come from the GSA Acquisition Gateway. Agencies' dates and values are estimates.
About this forecast
The OASIS+ Multi-Agency Contract (MAC) is a governmentwide indefinite-delivery indefinite-quantity (IDIQ) contract for non-IT professional and technical services across multiple domains. GSA Federal Acquisition Service is preparing to release the solicitation on January 12, 2026, with an estimated award date of December 31, 2025, targeting professional services including management, advisory, technical, engineering, research and development, intelligence, environmental, facilities, and logistics. The contract will feature continuous onramping, allowing new contractors to submit proposals and existing contractors to expand their domain coverage.
The solicitation is an unrestricted contract under NAICS code 541990 for All Other Professional, Scientific, and Technical Services, with Valerie Ates (oasisplus@gsa.gov) serving as the primary point of contact. While specific budget ranges are not detailed, the contract will support federal agencies' procurement of professional services through a comprehensive, multi-domain approach. The contract is currently in the solicitation drafting stage, with a definitive contract type and funding source yet to be determined, and is identified by the source listing ID 47QRIVSKCI.
Forecast text
OASIS+ is a governmentwide multiple award indefinite delivery indefinite quantity contract for federal agencies to purchase non-IT services. The OASIS+ scope is organized by domains which are groups of related services that include multiple industry codes (NAICS codes). Domains currently include Management & Advisory Technical & Engineering Research & Development Intelligence Services Environmental Facilities and Logistics. An eighth domain Enterprise Solutions is for the Unrestricted solicitation only. The Phase II reopening of the the solicitation adds new domains including Business Administration Financial Services Human Capital Marketing and Public Relations and Social Services. Continuous onramping will give new contractors the opportunity to submit proposals to OASIS+ and allows existing OASIS+ contractors to add domains not currently on their contract.
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