One Acquisition Solution for Integrated Services (OASIS+) Multi-Agency Contract (MAC) Indefinite-Delivery Indefinite-Quantity (IDIQ) Total Small Busines Phase II

Past New Requirement Updated

Agency
Solicitation expected
Estimated value
$1,000,000,000 to $1,900,000,000
Set-aside
Total Small Business

Forecast facts

Anticipated award
Acquisition strategy
Open Market
NAICS code
541990 All Other Professional, Scientific, and Technical Services
Forecast number
47237
Points of contact

Forecast details come from the GSA Acquisition Gateway. Agencies' dates and values are estimates.

About this forecast

The GSA Federal Acquisition Service is seeking contractors for the OASIS+ Multi-Agency Contract (MAC) Phase II Total Small Business set-aside, a governmentwide indefinite delivery indefinite quantity (IDIQ) contract for non-IT services. This reopening solicitation expands the contract scope to include new domains such as Business Administration, Financial Services, Human Capital, Marketing and Public Relations, and Social Services, in addition to existing domains including Management & Advisory, Technical & Engineering, Research & Development, Intelligence Services, Environmental, and Facilities and Logistics. The solicitation is issued with an estimated release date of January 12, 2026, and an estimated award date of March 31, 2026.

The contract features a continuous onramping process allowing new contractors to submit proposals and existing OASIS+ contractors to expand their domain coverage. The estimated award value range is listed with a system error notation; however, interested parties should note that this is a full and open competition set aside for total small businesses with rolling awards and open continuous solicitation. The place of performance is to be determined, and interested contractors should direct inquiries to the GSA Senior Contracting Officer at oasisplusopen@gsa.gov for additional information regarding this opportunity.

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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