One Acquisition Solution for Integrated Services (OASIS+) Multi-Agency Contract (MAC) Indefinite-Delivery Indefinite-Quantity (IDIQ) 8(a) Phase II

OASIS+ is a governmentwide multiple award, indefinite delivery, indefinite quantity (IDIQ) contract designed to enable federal agencies to procure a wide range of non-IT services efficiently. The contract is divided into various domains, each encompassing related service categories that include multiple NAICS codes. Current domains include Management & Advisory, Technical & Engineering, Research & Development, Intelligence Services, Environmental, Facilities, and Logistics, with an additional Enterprise Solutions domain available under the Unrestricted solicitation. The Phase II reopening introduces new domains such as Business Administration, Financial Services, Human Capital, Marketing and Public Relations, and Social Services, broadening the contract’s service capabilities. The contract allows continuous on-ramping, providing opportunities for new contractors to submit proposals and for existing contractors to expand their scope by adding new domains. This particular solicitation, identified as 8(a) Competitive under the One Acquisition Solution for Integrated Services (OASIS+) Multi-Agency Contract, is managed by the Federal Acquisition Service within the General Services Administration. It targets small businesses within the 8(a) set-aside program and uses NAICS code 541990 for its scope. The contract supports various federal agencies and is structured to facilitate streamlined acquisition processes for diverse professional services through a centralized solution. Points of contact for inquiries are provided, ensuring potential contractors have support throughout the proposal and engagement process.