The General Services Administration (GSA) has extended the deadline for submissions to its OASIS+ (One Acquisition Solution for Integrated Services – Plus) professional services vehicle until October 20, 2023, at 4:00 PM EDT. The agency expects to post a fifth amendment to the solicitation before September 22, the original submission deadline.
If you were feeling the pressure of the initial deadline, there’s now a renewed opportunity to fine-tune your proposals for 100% compliance and maximum points.
Still considering whether to bid? Now there’s time!
Our team is ready to accelerate the proposal process for you, and we’re up to speed with all the latest details required for absolute compliance. Don’t miss your chance to win a spot on this contract, with an estimated ceiling value of more than $133.7 billion. Call us.
OASIS+ Overview
The OASIS+ professional services vehicle is an Indefinite Delivery Indefinite Quantity (IDIQ) that consolidates three other GSA vehicles with a combined $133.7 billion ceiling. OASIS+ has no set ceiling and no limit on the number of awards, and all qualifying bidders will receive an award.
This will be GSA’s fifth amendment to the OASIS+ Request for Proposals (RFP) to clarify details for bidders. GSA has also posted four rounds of answers to bidder questions, for a total of 883 questions answered, and three separate webinars reviewing how to properly tag, label, and upload your documents into the OASIS+ Submission Portal/Symphony Portal.
At OST, we have closely tracked every detail of the OASIS+ submission for months, and we will continue to analyze additional updates from the agency to ensure our clients proposals adhere to every guideline and maximize their claimed points.
OASIS+ Submission Portal (OSP) Updates
This extension was implemented in part to allow updates to the OSP. Specifically, a data field will be added to support submissions of a Collection of Task Orders awarded under Single Award Indefinite Delivery, Indefinite Quantity contracts (IDIQs), Blanket Purchase Agreements (BPAs), or Basic Ordering Agreements (BOAs).
Protest Development
It’s worth noting that, as per the GAO Protest Docket, a protest (B-421775.2) was filed by ESC, Inc. on September 19, 2023. While the specifics surrounding this protest are not fully disclosed currently, we’re closely monitoring this situation and will keep you informed of any developments that could impact the final submission process.
Ready to make the most of the OASIS+ opportunity? Contact us today to schedule a free consultation on how OST Global Solutions can guide your path to a winning bid.
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 team identification/negotiation, proposal management, pricing, 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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Webinar: Turning Customer Insights Into Win Strategy
Contracts are still won the old-fashioned way: through human relationships and hard-earned customer intelligence during capture. The problem generally isn’t getting the intel — it’s what happens next. Too often, […]
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Winning Government Cost Proposals Including AI Essentials
OST Global Solutions Virtual Classroom MD, United StatesDeveloping a Winning Cost Volume course helps increase federal contract win probability by strengthening cost proposal development skills. Updated for 2026, this course incorporates AI-assisted tools to support pricing analysis, cost modeling, and documentation efficiency. The course covers Government contract evaluation, pricing fundamentals such as cost buildup and cost volume elements, price strategy, Basis of Estimate development, assumptions, Work Breakdown Structure creation, cost volume narratives, and strategies for winning lowest price technically acceptable proposals, while demonstrating how AI can be used responsibly to improve accuracy, consistency, and proposal readiness.
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Proposal Graphics Conceptualization & Design Including AI Essentials
OST Global Solutions Virtual Classroom MD, United StatesThis course provides the skills necessary to conceptualize proposal graphics that clearly convey a winning solution to Government customers. Updated for 2026, the course includes the use of AI-assisted tools to enhance idea generation, visual storytelling, and graphic refinement. Participants will learn how to brainstorm strong graphic concepts, create effective action captions, sketch and structure visuals, and apply professional design principles while responsibly leveraging AI to improve clarity, consistency, and efficiency in proposal graphics.
