Most discussions of SDVOSB contracting focus on the competitive set-aside — a solicitation restricted to SDVOSB firms where two or more qualified bidders compete on price and technical merit. That is the dominant vehicle, and it is the one most firms spend their BD resources pursuing.
There is a second SDVOSB vehicle that most firms underutilize: the sole source award. A sole source contract is awarded to a single firm without competition. The government decides that one specific contractor is the right choice, justifies the decision in writing, and awards the contract directly. No competitive proposal. No evaluation process. No win probability calculation.
Understanding when sole source awards are available, what thresholds apply, and how to position your firm for them is one of the highest-leverage activities in federal BD — and one that the majority of small businesses ignore entirely.
The statutory authority
The legal basis for SDVOSB sole source awards lives in 38 U.S.C. § 8127 for Department of Veterans Affairs contracts and in 15 U.S.C. § 657f for contracts across all other agencies. Both statutes permit contracting officers to award directly to a verified SDVOSB firm, without competition, when specific conditions are met.
The central condition is the reasonable expectation that the award can be made at a fair and reasonable price. The contracting officer must document this expectation in a Justification and Approval (J&A) that becomes part of the contract file. The J&A is a public document — which means you can research how other agencies have justified previous sole source awards and understand the documentation standards being applied.
Dollar thresholds by contract type
Sole source authority applies only up to specific ceiling amounts that are adjusted periodically. The current thresholds for SDVOSB sole source awards:
Services contracts: $5 million
Supplies and other contracts: $4 million
Manufacturing contracts: $7 million
These are the maximum contract values, including all options. A base year plus four option years must fall under the applicable ceiling in aggregate.
The VA operates under a higher mandatory preference framework under the Veterans First Contracting Program. At the VA, contracting officers must consider SDVOSB sole source before opening any competition. This creates a meaningful institutional bias toward sole source awards at VA that does not exist at other agencies.
When contracting officers can justify a sole source
The J&A for a sole source award must cite one of a limited set of justifications. For SDVOSB sole source, the primary basis is that only one SDVOSB firm is capable of satisfying the requirement, or that the requirement is of such a specialized nature that a competitive solicitation would not produce a meaningful competitive range.
This language is often more flexible in practice than it sounds in statute. A contracting officer who wants to award to a specific firm has real latitude in how they document the requirement. A well-positioned SDVOSB firm can actively help the contracting officer build this case — legally and ethically — by providing technical information, capability documentation, and market research support during the pre-solicitation phase.
This is not manipulation. It is market shaping. Agencies frequently conduct market research by talking to vendors, issuing Requests for Information, and reviewing capability statements. The information firms provide during market research directly shapes how the requirement is written and whether a sole source becomes viable.
The VA pathway: the dominant channel
The Department of Veterans Affairs is the largest single source of SDVOSB sole source awards in the federal government, by both count and dollar volume. The VA's Veterans First Contracting Program creates a statutory mandate to prioritize SDVOSBs that applies before any competitive approach.
The practical implication is that at the VA, you should be actively pursuing sole source opportunities as a primary strategy, not a secondary one. A firm with a strong relationship at a VA medical center, a demonstrated track record of performance, and a current SAM.gov registration with accurate SDVOSB status is in a legitimate position to pursue direct awards on contracts below the service threshold.
The CVE (Center for Verification and Eligibility) verification is the gate. A contracting officer cannot award a SDVOSB set-aside or sole source if your firm is not currently CVE-verified and appearing in VA's VetBiz database. This is separate from SAM.gov registration and must be current at time of award.
How to build a sole source pipeline
Sole source awards are not discovered on SAM.gov the morning the J&A posts. By that point, the decision has already been made. If you are reading the public notice, you are not the firm the agency intends to award to. You are reading your competitor's announcement.
Building a sole source pipeline requires earlier positioning. The activities that produce sole source opportunities are relationship-based: meeting with contracting officers and CORs during their planning phase, responding substantively to RFIs and market surveys, participating in agency-hosted industry days, and building a reputation as the go-to SDVOSB for a specific capability at a specific agency.
When you have this kind of positioning, contracting officers will reach out to you during acquisition planning — not the reverse. They will ask whether you can perform a specific scope, what your pricing range looks like, and whether you are available to start by a certain date. That conversation, and the documentation that follows, is how a sole source award actually originates.
The teaming relationships you build with primes and other small businesses also create sole source opportunities. A prime contractor with a subcontracting plan needs SDVOSB participation. If you have established credibility as a reliable SDVOSB sub on prior work, prime contractors will flow sole source subcontract opportunities to you that you would never find through competitive channels.
Documentation your firm needs to support a sole source
When a contracting officer is building a sole source J&A for your firm, they need material. The more of this you have ready, the easier you make the decision:
A current, specific capability statement that maps your services to the requirement language the agency is already using. Generic capability statements are useless here. The document needs to align with the specific work at the specific program office, using their terminology. A well-built capability statement that mirrors the agency's acquisition vocabulary is one of the highest-value BD documents a small firm can maintain.
Past performance documentation for work that directly parallels the requirement. Ideally this includes a CPARS citation or a reference contact at the prior agency who can confirm your performance. Contracting officers building sole source justifications want evidence of capability, not assertions of it.
A brief, honest cost analysis showing how you arrived at your price and why it is fair and reasonable. The J&A needs to state that the price is fair and reasonable. Providing the contracting officer with a documented basis for that conclusion removes an obstacle from the approval process.
What sole source is not
Sole source is not a shortcut for firms without competitive capability. Contracting officers who award sole sources put their professional judgment on record. An award to a firm that subsequently fails performs is a documented decision the CO made. This reality means that contracting officers are conservative about sole source awards to firms they do not know.
The path to sole source awards runs through demonstrated performance. Firms that accumulate strong CPARS ratings, maintain clean SAM.gov registrations, and build visible track records at specific agencies are the firms that receive sole source consideration. There is no workaround for this. The positioning has to be earned.