What Are Set-Aside Contracts?
A set-aside is a federal contract reserved for specific categories of businesses. Instead of competing against everyone (full and open competition), you compete only against businesses that share your designation — dramatically improving your odds.
Federal small business goals:
- 23% of all prime contracts to small businesses
- 5% to Small Disadvantaged Businesses (includes 8(a))
- 5% to Women-Owned Small Businesses
- 3% to HUBZone businesses
- 3% to Service-Disabled Veteran-Owned Small Businesses
These aren't suggestions — agencies are measured against these goals and face pressure to meet them. Set-asides are how agencies achieve their small business targets.
Why set-asides exist:
- Congress mandated small business participation in federal procurement
- Small businesses drive innovation and economic growth
- Full competition often favors large incumbents with resources
- Set-asides create pathways for emerging contractors
If you qualify as a small business, set-asides are your easiest path to federal contracts. You're competing against hundreds instead of thousands.
Types of Set-Asides
Different set-aside types have different eligibility requirements:
Total Small Business Set-Aside
Open to any business that's "small" under the contract's NAICS code. No special certification required — just meet size standards. The most common set-aside type.
8(a) Set-Aside
Reserved for firms in the SBA 8(a) Business Development Program. Requires certification proving social and economic disadvantage. Includes sole source authority up to $4.5M (services) / $8M (manufacturing).
SDVOSB Set-Aside
Reserved for Service-Disabled Veteran-Owned Small Businesses certified through VetCert. The owner must be a veteran with a service-connected disability rated by the VA.
HUBZone Set-Aside
Reserved for HUBZone-certified businesses headquartered in designated economically distressed areas. Includes 10% price evaluation preference on competitive bids.
WOSB Set-Aside
Reserved for Women-Owned Small Businesses in industries where women are underrepresented. EDWOSB (Economically Disadvantaged) set-asides provide even more targeted opportunities.
Partial Set-Aside
Part of a contract is set aside for small businesses while the remainder is full and open. Common on large contracts that small businesses couldn't perform entirely.
Important: You can qualify for multiple set-aside types simultaneously. A woman veteran in a HUBZone with 8(a) certification can compete for all of the above.
The "Rule of Two" — How Agencies Decide on Set-Asides
Agencies don't randomly choose set-asides. FAR 19.502-2 establishes the "Rule of Two":
A contracting officer SHALL set aside a procurement for small businesses when:
- There's a reasonable expectation that at least two responsible small businesses will submit offers
- Award can be made at fair market prices
This means agencies must actively consider small business set-asides before going full and open. If two small businesses can likely compete, set-aside is required.
How COs determine capability:
- Market research (industry days, Sources Sought notices)
- SAM.gov searches for capable small businesses
- Past contract performance in similar work
- Input from agency small business offices
Your role in the Rule of Two:
Respond to Sources Sought notices. When agencies research the market, your response demonstrates capability. If enough small businesses respond, the agency is more likely to set aside the opportunity. Your response literally helps create set-asides.
Cascading set-aside priority:
Agencies consider set-asides in a specific order:
- 8(a) (if applicable to agency missions)
- HUBZone (in certain circumstances)
- SDVOSB, WOSB (where needed for goal achievement)
- Total Small Business set-aside
- Partial set-aside
- Full and open competition
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Size Standards: Are You "Small"?
To compete for set-asides, you must qualify as "small" under the contract's NAICS code size standard. Size isn't one-size-fits-all — it varies by industry.
Two types of size standards:
Revenue-based: Your average annual receipts over the past 3-5 years must be below the threshold. Common for service industries.
- NAICS 541512 (Computer Systems Design): $34 million
- NAICS 541611 (Management Consulting): $24.5 million
- NAICS 541330 (Engineering Services): $25.5 million
- NAICS 561320 (Temporary Staffing): $34 million
Employee-based: Your average employee count must be below the threshold. Common for manufacturing.
- NAICS 541715 (R&D, Physical Sciences): 1,000 employees
- NAICS 334111 (Computer Manufacturing): 1,250 employees
- NAICS 336411 (Aircraft Manufacturing): 1,500 employees
How to check:
Look up your NAICS code's size standard at SBA's Size Standards page. Or use our NAICS Code Guide for detailed lookup instructions.
Affiliation rules:
SBA counts affiliated businesses together. If you have parent companies, subsidiaries, or common ownership with other firms, their revenue/employees may count toward your size. Affiliation rules are complex — consult SBA guidance or an attorney if you have multiple business entities.
Recertification:
You must certify your size status at proposal submission. If you grow beyond the size standard later (during contract performance), you generally don't lose the contract — but you can't compete for new set-asides in that NAICS.
Finding Set-Aside Opportunities
Set-asides are plentiful if you know where to look:
SAM.gov Contract Opportunities
The primary source for federal solicitations. Filter by:
- Set-Aside Type — Select your certification (8(a), SDVOSB, etc.)
- NAICS Code — Your primary business classifications
- Place of Performance — Location preferences
- Posted Date — Recent opportunities
Saved searches: Create saved searches with your criteria and receive daily email notifications of new opportunities.
GSA eBuy
For task orders under GSA Schedule, OASIS+, and other contract vehicles. Many task orders are set aside for small businesses within the vehicle pool.
Agency forecast portals
Many agencies publish procurement forecasts showing planned acquisitions. These often indicate intended set-aside status before formal solicitations post.
Expiring contract research
Use our Expiring Contracts Finder to identify contracts coming up for recompete. Many recompetes are set aside when the requirement fits small business capability.
Agency small business offices
Each agency's OSDBU (Office of Small and Disadvantaged Business Utilization) can point you toward upcoming set-asides. Build relationships with small business specialists at your target agencies.
Sources Sought and RFI notices
When agencies post Sources Sought notices, they're researching whether to set aside an opportunity. Responding demonstrates capability and increases set-aside likelihood.
Winning Set-Aside Contracts
Set-asides reduce competition but don't eliminate it. You still need to submit winning proposals:
1. Understand evaluation criteria
Read the RFP carefully. Most set-asides use either Lowest Price Technically Acceptable (LPTA) or Best Value trade-off. Your strategy differs dramatically between these approaches.
2. Meet all requirements
Set-asides have compliance requirements beyond normal proposals:
- Size certification — Certify you're small under the specified NAICS
- Status verification — Confirm your certification (8(a), SDVOSB, etc.) is current
- SAM registration — Active registration with correct NAICS codes
- Limitations on subcontracting — You must perform a minimum percentage yourself
3. Price competitively
Many set-asides are won on price. Research market rates and incumbent pricing. Use GSA Schedule pricing as a benchmark. Don't assume you can charge premium rates just because it's a set-aside.
4. Demonstrate capability
Evaluators know small businesses may have less past performance. Compensate with:
- Strong key personnel resumes
- Relevant commercial experience
- Clear technical approach
- Risk mitigation strategies
5. Comply with limitations on subcontracting
For most set-asides, you must perform at least 50% of the work yourself (services) or 50% of manufacturing cost. Don't propose to pass most of the work to subcontractors — that violates the rules and can get you disqualified or in legal trouble.
Common Set-Aside Mistakes
Avoid these errors that cost small businesses set-aside opportunities:
1. Wrong size certification
Certifying as small when you're actually large (considering affiliates) is a serious violation. False certification can result in contract termination, debarment, and criminal penalties. Know your size before you certify.
2. Letting certifications lapse
If your 8(a), SDVOSB, HUBZone, or WOSB certification expires, you can't compete for those set-asides. Monitor expiration dates and renew proactively. Set calendar reminders 90 days before expiration.
3. Violating limitations on subcontracting
Passing too much work to subcontractors (especially large business subs) violates set-aside rules. This is called the "ostensible subcontractor" problem. Structure your team so you genuinely perform the majority of work.
4. Ignoring Sources Sought
When agencies research whether to set aside an opportunity, your non-response suggests no capable small businesses exist. Respond to Sources Sought notices in your NAICS — you're literally creating set-asides by responding.
5. Only pursuing set-asides
Set-asides are great, but they're not your only option. Also pursue:
- Subcontracting with large primes
- Full and open competitions where you're competitive
- GSA Schedule opportunities
- Teaming arrangements
6. Assuming set-aside = easy win
Set-asides reduce competition, they don't eliminate it. You might face 10-20 competitors instead of 100, but you still need a strong proposal. Treat every set-aside seriously.
Maximizing Your Set-Aside Eligibility
Pursue every set-aside type you can legitimately claim:
Start with small business status
If you're under the size standard for your NAICS codes, you qualify for total small business set-asides. No certification required — just be small and register correctly on SAM.gov.
Get certified for specific programs
Each certification opens additional set-aside pools:
- 8(a) — If you're socially/economically disadvantaged (minority, certain ethnicities, or demonstrated disadvantage)
- SDVOSB — If you're a service-disabled veteran with 51%+ ownership
- HUBZone — If your principal office is in a designated HUBZone area
- WOSB/EDWOSB — If you're woman-owned (51%+) in eligible NAICS codes
Stack certifications
Certifications aren't mutually exclusive. A service-disabled woman veteran in a HUBZone with 8(a) certification can compete for:
- Total small business set-asides
- 8(a) set-asides
- SDVOSB set-asides
- HUBZone set-asides
- WOSB set-asides
Maintain multiple NAICS codes
Register for all NAICS codes where you have capability. Size standards differ by NAICS — you might be small in one code and not another. More NAICS = more set-aside opportunities.
Build toward graduation
Some certifications (like 8(a)) have term limits. Use your certified period to build past performance and relationships that sustain you after graduation.
Frequently Asked Questions
Q:How do I know if a contract is set aside?
Set-aside status is clearly marked in the solicitation. On SAM.gov, filter by "Set-Aside Type" to see only set-aside opportunities. The solicitation title often includes the set-aside type (e.g., "Total Small Business Set-Aside" or "8(a) Set-Aside"). Check FAR clause 52.219-6 through 52.219-30 in the solicitation for specific set-aside provisions.
Q:Can a large business compete for set-aside contracts?
No. Set-asides are reserved exclusively for businesses meeting the specified criteria. A large business cannot compete for small business set-asides. However, large businesses often subcontract to small businesses on non-set-aside contracts to meet their small business subcontracting goals.
Q:What if I grow too big during a set-aside contract?
If you exceed size standards during contract performance, you generally don't lose the existing contract. However, you can't compete for new set-asides in that NAICS code until/unless you become small again. Size is determined at proposal submission and at option exercise.
Q:Can I team with a large business on a set-aside?
Yes, with limitations. You can subcontract to large businesses, but you must perform the required percentage yourself (typically 50% for services). The "ostensible subcontractor" rule prevents arrangements where the large sub essentially controls the contract. Keep the large business in a supporting role.
Q:How do I compete for 8(a) set-asides without 8(a) certification?
You can't. 8(a) set-asides are exclusively for 8(a)-certified firms. If you're not 8(a), focus on total small business set-asides or pursue 8(a) certification if you're eligible. Check our 8(a) Certification Guide for eligibility requirements.
Q:What's the difference between a set-aside and a sole source?
A set-aside is a competitive procurement limited to qualifying businesses (you still compete against other small businesses). A sole source is non-competitive — the agency awards directly to one contractor without competition. Both benefit small businesses, but sole source requires specific certifications (8(a), SDVOSB, HUBZone, WOSB) and dollar thresholds.
Q:Do subcontracts count toward set-aside requirements?
Subcontract awards to small businesses help large primes meet their subcontracting goals, but they don't count toward the government's small business prime contracting goals. Set-asides specifically address prime contracts, not subcontracts.
Q:Can I protest a set-aside decision?
You can challenge size status (if you believe the winner isn't actually small) or eligibility (if you believe they don't qualify for the specific certification). File a size protest with the SBA Area Office within 5 business days of learning the apparent awardee. Status protests go through SBA's Office of Hearings and Appeals.
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