Federal Contracting Acronym

OASIS

One Acquisition Solution for Integrated Services

Plain-English definition

One Acquisition Solution for Integrated Services (OASIS) is a GSA-managed multiple-award IDIQ vehicle for professional and management support services. Agencies issue task orders against OASIS contracts after fair-opportunity procedures defined in the contract and FAR ordering rules. OASIS complements other GSA vehicles such as Schedules (MAS) and IT-focused GWACs; it is widely used for consulting, engineering, and program support. Contractors pursue OASIS on-ramps to gain access to task-order competitions across civilian and defense customers.

Why it matters

OASIS task orders are a major channel for services revenue; vehicle position and labor-category alignment drive win rate on downstream orders.

Where you will see it

GSA OASIS program pages, SAM.gov task-order solicitations, RFPCapture federal contract vehicle profiles, and GWAC/IDIQ capture plans.

Example in context

A services firm maps its NAICS and past performance to an OASIS pool, then responds to a fair-opportunity RFP scoped to specific labor categories and CLINs.

Related acronyms

Source / references

GSA — OASIS

Last updated September 19, 2026

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