The General Services Administration has issued the final Requests for Proposals (RFP) for its One Acquisition Solution for Integrated Services “+” (OASIS+) contract vehicle, a Best-In-Class (BIC) Indefinite-Delivery Indefinite Quantity (IDIQ) Multiple Award (MA) professional services contract that is valued at more than $60 Billion and has no contract ceiling. OASIS+ has a 10-year period of performance.

GSA did not limit the number of awards. All bidders who qualify will receive an award.

Bidders must meet the minimum threshold in the OASIS+ scoring matrix: that’s 36 out of 50 credits for small business and all socioeconomic set asides, and 42 out of 50 for the unrestricted group.

Don’t miss this opportunity to be one of the Government contractors who will win a spot on this contract! OST Global Solutions has business development experts already working on OASIS+ qualification bids, and we can help you maximize your score and ensure your final proposal is complete and compliant.

Timeline and Key Dates
June 19: Q&A opens. Company Assets can be updated.
June 26: Proposal building begins. Live scoring becomes available.
July 6: Deadline for question submission. All questions must be submitted via the OSP.
July 15: Full functionality opens. Price proposals can be built and offers can be submitted.
September 13: Proposals due

Competition Pools
The final RFPs for OASIS+ include specific opportunities for the following groups:

  • Small Businesses (AKA: Total Small Business)
  • 8(a)
  • HUBZone
  • WOSB
  • Unrestricted

Each RFP includes a cover letter that provides guidance on navigating the RFPs and notes on what dates the Symphony Procurement Portal (where proposals will be submitted and evaluated) will be up and running for bidders to upload sections of their proposals.

There are seven domains for small business and all other socioeconomic groups (8A, HUBZone, SDVOSB, WOSB):

  • Management and Advisory
  • Technical and Engineering
  • Research and Development
  • Intelligence Services
  • Environmental Services
  • Facilities
  • Logistics

Bidders in the Unrestricted pool have one additional domain, which is “Enterprise Solutions”.

Changes from the Draft RFPThe final RFPs are the culmination of a process that started with a draft RFP released in March 2023, and there are several notable changes that may impact your proposal strategy, including:

  1. The inclusion of Other Transactional Authority (OTA) as an allowable project submission.
  2. Revisions to the Meaningful Relationship Commitment Letter (MRCL) criteria.
  3. The removal of Attachment J.P-1 for representations and certifications.
  4. A detailed clarification of the OASIS+ Unrestricted teaming strategy.
  5. Adjustments to the Period of Performance strategy.
  6. Addition of a requirement for cost/price as an evaluation factor.

We can help you navigate these changes and others to craft a compelling proposal.

The slides from GSA’s March 15 virtual industry are available here. The video of the presentation can be found here.

To stay up to date with all OASIS+ updates, join the OASIS+ Community of Interest on GSA Interact here. You can also find links to all versions of the final RFPS on the GSA Interact site.

OST Global Solutions is a professional business development consulting firm. We have experience supporting large, strategic bids like OASIS+. We can provide capture and proposal teams to develop a complete, winning proposal. Or we can provide consultants on a case-by-case basis to fill gaps on your business development team. Our services related to OASIS+ consist of capture management, team identification/negotiation, proposal management, proposal writing, editing, and desktop publishing.

Contact us to discuss your bids, so we can help you develop a winning proposal.

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(301) 384-3350


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This Government Business Development training offers essential skills in professional business development for Government contractors selling services and solutions to the Federal Government. The two-day course begins with an overview of the Federal business development (BD) process and what it takes to succeed in the profession. It proceeds to the basics of U.S. Government business.

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Developing a Winning Cost Volume course helps you increase your federal contract win probability. We focus on Government contract evaluation, pricing fundamentals such as cost buildup and cost volume elements, price strategy, developing basis of estimate (BOE), coming up with assumptions, Work Breakdown Structure (WBS), cost volume narrative, winning in lowest price technically acceptable proposals (LPTA), and much more.

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