Federal agencies have two primary ways to buy products and services: through a GSA Schedule (also called GSA MAS) or on the open market. Both are legitimate procurement methods, and understanding the differences matters whether you are deciding to pursue a GSA Schedule or figuring out how to position your company for federal sales.
This article breaks down the key differences between the two approaches and what they mean for you as a contractor.
What Is GSA MAS?
The GSA Multiple Award Schedule (MAS) is a long-term government-wide contract between your company and the General Services Administration. Once you have a GSA Schedule, federal agencies can purchase your products or services using your pre-negotiated pricing and terms. Think of it as being on a pre-approved vendor list that every federal agency can access.
GSA Schedules cover nearly every product and service category the government buys, from IT services and consulting to office furniture and lab equipment.
What Is Open Market Purchasing?
Open market purchasing means the government buys directly from a vendor without using a pre-established contract vehicle like GSA MAS. The agency follows the Federal Acquisition Regulation (FAR) to compete the requirement, evaluate proposals, and make an award. This is the traditional government procurement process.
Open market purchases can range from a $500 purchase card transaction to multi-million-dollar competitive procurements.
Head-to-Head Comparison
Pricing
GSA MAS: Your pricing is pre-negotiated with GSA and published on GSA Advantage. Agencies know your rates before they contact you. You are bound by the Price Reductions Clause, which means if you offer a better price to a commercial customer, you may need to extend that reduction to GSA. Price changes require a contract modification through GSA's eMod system.
Open market: Pricing is negotiated per transaction. You have full flexibility to set prices for each opportunity. There is no price reduction clause or ongoing pricing obligation. You can offer different rates to different agencies based on the scope and terms of each deal.
Bottom line: GSA MAS gives buyers pricing certainty but limits your flexibility. Open market gives you more pricing freedom but requires negotiation on every deal.
Compliance Requirements
GSA MAS: You must comply with all GSA Schedule terms and conditions for the life of the contract (up to 20 years). This includes quarterly sales reporting, paying the 0.75% Industrial Funding Fee, maintaining current pricing on GSA Advantage, accepting mass modifications, and responding to compliance audits. The compliance burden is ongoing and nontrivial.
Open market: Compliance requirements are specific to each individual contract. Once a contract is complete, your obligations end (aside from standard record-keeping requirements). There is no ongoing reporting or fee structure outside of the specific contract terms.
Bottom line: GSA MAS requires continuous compliance management. Open market compliance is project-specific and finite.
Procurement Speed
GSA MAS: This is where GSA Schedules really shine. Agencies can issue a Request for Quote (RFQ) to Schedule holders and make an award in days or weeks rather than months. For purchases under the simplified acquisition threshold ($250,000), the contracting officer only needs to compare three Schedule holders. The pre-negotiated terms eliminate much of the back-and-forth that slows traditional procurement.
Open market: Traditional procurement can take months. The agency must define requirements, publish a solicitation, collect and evaluate proposals, conduct negotiations, and make an award. Even simplified acquisition procedures take weeks. Full and open competition above the SAT can take 6 to 12 months.
Bottom line: GSA MAS is significantly faster for the buyer, which means more agencies will choose it when they have the option.
Visibility to Buyers
GSA MAS: Your company is listed on GSA Advantage, the government's online shopping platform. Contracting officers actively search GSA Advantage to find vendors. You also appear in GSA eLibrary, where buyers research available contract holders. This passive visibility generates inbound opportunities without active marketing.
Open market: You have no centralized listing. Buyers find you through SAM.gov postings, industry days, networking, or your own marketing efforts. You need to actively monitor federal contract opportunities and respond to solicitations. There is no equivalent of GSA Advantage for open market vendors.
Bottom line: GSA MAS provides built-in visibility that open market selling does not. Open market requires significantly more business development effort.
Risk Profile
GSA MAS: Lower risk for the buyer because pricing and terms are pre-approved. Lower risk for you on individual transactions because the terms are standardized. However, you carry ongoing compliance risk for the life of the contract. Non-compliance can result in contract cancellation, which affects your entire federal business.
Open market: Higher risk per transaction for both parties because terms must be negotiated each time. But there is no long-term compliance obligation beyond the individual contract. A problem on one deal does not affect your ability to compete for others.
Bottom line: GSA MAS concentrates risk in compliance management. Open market spreads risk across individual transactions.
What It Means for Contractors
If You Are Deciding Whether to Get a GSA Schedule
A GSA Schedule makes sense if you want to sell to multiple federal agencies on an ongoing basis. The upfront investment in obtaining the Schedule (time, documentation, potentially consultant fees) pays off through faster procurement cycles, passive visibility, and repeat business. If you plan to do more than one or two federal deals, a GSA Schedule is almost always worth it.
A GSA Schedule may not make sense if you only plan to pursue a single large contract, if your products or services are highly customized for each customer, or if you cannot commit to the ongoing compliance requirements.
Take our GSA Readiness Assessment to evaluate whether your company is positioned to pursue a Schedule.
If You Already Have a GSA Schedule
Do not rely exclusively on your GSA Schedule. Some of the best federal opportunities are competed on the open market, especially larger contracts and requirements that do not fit neatly into GSA SIN categories. Monitor open market solicitations alongside GSA opportunities.
Also, be aware that your GSA Schedule pricing sets a ceiling for your federal business. If you need to offer lower rates on an open market deal, that is fine. But if you offer rates below your GSA Schedule pricing to a commercial customer, the Price Reductions Clause may require you to reduce your GSA rates accordingly.
If You Sell on the Open Market Only
Consider adding a GSA Schedule to your strategy. Many contracting officers default to GSA Schedules because they are faster and simpler. If a buyer has the choice between issuing an RFQ to GSA Schedule holders (which takes a week) or running a full open market competition (which takes months), they will often choose GSA. Without a Schedule, you may not even be in the conversation for these opportunities.
Frequently Asked Questions
Is a GSA Schedule better than selling on the open market?
Neither is inherently better. A GSA Schedule provides streamlined access and visibility. Open market allows more flexibility. Most successful federal contractors use both channels depending on the opportunity and agency preference.
Can I sell to the government without a GSA Schedule?
Yes. Agencies can purchase through open market methods including simplified acquisitions, sealed bidding, and competitive negotiation. However, many agencies prefer GSA Schedule purchases because they are faster and simpler from a procurement standpoint.
What is the micro-purchase threshold for open market buys?
The current micro-purchase threshold is $10,000 for most agencies. Purchases below this amount can be made with a government purchase card without competitive bidding.
Do I need to offer the same price on GSA Schedule and open market?
Not exactly. Your GSA pricing must comply with the Price Reductions Clause. If you offer a better price to a commercial customer than your GSA rate, you may need to extend that reduction to GSA. Open market pricing is negotiated per transaction and is not bound by the same rules.
What is the simplified acquisition threshold and how does it affect GSA vs open market?
The simplified acquisition threshold is $250,000. Below this amount, contracting officers have more flexibility. GSA Schedule purchases under the SAT require comparing at least three Schedule holders. Open market purchases under the SAT follow simplified procedures that still require some competition but are less burdensome than full and open competition.
Next Steps
Whether you sell through GSA MAS, the open market, or both, understanding how each channel works helps you make smarter decisions about where to invest your business development time.
If you are considering a GSA Schedule, start with our free GSA Readiness Assessment to see if your company qualifies.
For expert guidance on federal sales strategy, our team has helped over 500 companies navigate the GSA Schedule process. Visit our GSA Schedule consulting services page or contact us to discuss your options.