The average small business leaves over $10,000 in tax credits unclaimed every year — not because the credits don't exist, but because no one told them to look. Tax credits are dollar-for-dollar reductions in what you owe the IRS. Miss one and you're paying more than you legally have to.
Why Most Small Businesses Miss Tax Credits
It's not ignorance — it's friction. Most business owners know tax credits exist in the abstract. What they don't know is which ones they specifically qualify for, and the IRS doesn't proactively tell you.
Three structural reasons businesses miss credits:
- They assume tax credits are for big companies. Wrong. R&D was expanded for startups and small businesses. WOTC is claimed by businesses with as few as 3 employees. Energy credits apply to a $50K HVAC replacement the same as a $5M facility retrofit.
- Their accountant files a clean return, not an optimized one. A CPA filing your taxes isn't the same as one actively hunting for every credit you're entitled to. Most tax preparers operate in reactive mode. Proactive credit identification is a separate engagement most small businesses never request.
- Credits look complicated on paper. R&D has a four-part test. WOTC requires pre-hire screening. 179D requires energy modeling. Each hurdle eliminates another business that would have qualified — not because they didn't qualify, but because they stopped reading the instructions.
The fix isn't hiring a specialist for every credit. It's knowing which credits to investigate. This guide covers 9 specific credits with eligibility details, amounts, and next steps.
9 Small Business Tax Credits Available in 2026
These are the highest-impact credits available to most small businesses. Each has a different eligibility profile — read the detail before assuming you don't qualify.
1. Research & Development (R&D) Tax Credit (Section 41)
Up to $250K/year for startupsThe R&D credit rewards businesses that develop or improve products, processes, software, or formulas through experimentation. "Research and development" doesn't mean a lab coat and a whiteboard. Software development, manufacturing process improvements, prototype testing, and product formulation all qualify — most product-focused businesses pass the four-part test without realizing it.
For startups that aren't yet profitable, the credit can be applied against payroll taxes instead of income taxes — up to $250,000/year. This is the Payroll Tax Credit option (PATH Act), and most pre-revenue startups qualify. If you spent time building anything novel in the past year and have fewer than $5M in gross receipts, this is worth investigating.
Form: 6765 · Startup option: Apply against FICA taxes (Form 941) · Best for: Tech companies, manufacturers, product developers, software startups
2. Work Opportunity Tax Credit (WOTC)
$2,400–$9,600 per hireWOTC provides a tax credit of $2,400 to $9,600 for each eligible new hire from a targeted group — veterans (especially those with service-connected disabilities), long-term unemployed individuals, SNAP recipients, ex-felons, and others. The credit is 40% of first-year wages up to $6,000 for most categories, and significantly higher for disabled veterans.
The catch most businesses miss: you must screen the employee before or on their first day of work using IRS Form 8850. Once the hire is made and the paperwork window closes, the credit is gone. There's no retroactive process. Build the Form 8850 into your onboarding workflow — attach it to your offer letter or new hire paperwork. One hire a month at an average $2,400 credit is nearly $29,000 per year.
Forms: 8850, 9061 · Screening deadline: Before or on first day of work · Best for: Retail, food service, construction, healthcare, any business with regular hiring
3. Small Business Health Care Tax Credit (Section 45B)
Up to 50% of premium contributionsThis credit covers a portion of the employer's share of employee health insurance premiums — up to 50% for qualifying small businesses. It's targeted at businesses that actually offer health coverage, and it's one of the few refundable credits, meaning you can receive it even if you owe no tax.
To qualify: you must have fewer than 25 full-time equivalent employees, pay average wages below $56,000/year (adjusted annually), and cover at least 50% of each employee's individual premium cost. The credit is worth most for businesses with lower-wage workforces — exactly the profile of many small businesses.
The ACA affordability test has reduced the number of businesses that can claim the full credit, but partial credits are still available for many. If you're offering health insurance and your workforce is under 25 FTEs, run the math — the credit phases out at higher employee counts and wages, but even a partial credit is worth pursuing.
Form: 8941 · Best for: Small businesses with 2–25 employees offering health coverage, especially lower-wage workforces
4. Energy-Efficient Commercial Building Deduction (Section 179D)
Up to $5/sq ft deductionThe 179D deduction lets commercial property owners and lessees deduct the cost of energy-efficient building improvements — up to $5 per square foot for buildings that meet or exceed 50% energy savings thresholds versus standard ASHRAE code. Qualifying improvements include HVAC systems, lighting, envelope (insulation, windows, roofs), and hot water systems.
For business owners who lease their space: the deduction was made fully transferrable under the Inflation Reduction Act, meaning you can sell the deduction to another taxpayer (typically a large financial institution) if you can't use it yourself. This dramatically increased the practical value for smaller businesses that couldn't previously use a building deduction.
Important: You must choose between the 179D deduction and the IRA Investment Tax Credit — you can't claim both on the same property. For lighting and envelope upgrades, 179D often provides better value. For solar panels and battery storage, the IRA ITC is larger. Run both calculations before deciding.
Form: 7205 (for partnerships/LLCs) · Best for: Commercial property owners, businesses making significant energy-efficient HVAC or lighting upgrades
5. IRA Clean Energy Investment Tax Credit (ITC)
30% of qualifying project costThe Inflation Reduction Act extended and expanded commercial energy credits through 2032. The Investment Tax Credit covers 30% of the cost of solar, battery storage, EV charging equipment, and other clean energy installations for commercial properties. This credit is not a deduction — it's a direct credit against your tax liability.
Bonus adders increase the 30% base rate: +10% for domestic content requirements, +10% for projects in energy communities, +10% for projects in low-income communities. A solar installation in an eligible rural area or low-income zone can stack these bonuses to 50% or more of project cost.
Transferability: If your business can't use the full credit, you can sell it to another taxpayer under IRA rules — same as 179D. This eliminates the historical problem of small businesses being unable to use energy credits because their tax liability was too low.
Form: 3468 · IRA bonus: Domestic content, energy communities, low-income zones add up to +30% · Best for: Property owners, manufacturers, businesses with fleet vehicles, businesses making solar/battery/EV charging investments
6. Disabled Access Credit (Section 44)
50% of first $10K = up to $5K/yearThe Disabled Access Credit provides a 50% credit on eligible expenditures up to $10,000 per year — meaning a maximum credit of $5,000 annually. It covers costs for making your business premises or services more accessible to people with disabilities.
Eligible expenses include: sign language interpreters, assistive technology, accessible websites (for e-commerce businesses), materials in alternative formats, and physical access modifications to buildings. The credit is specifically for expenses beyond what is required by the ADA — it covers the cost of exceeding minimum compliance.
Eligibility: fewer than 30 full-time employees OR less than $1 million in gross receipts. Most small businesses easily qualify. The credit is claimed annually — it's not a one-time benefit. If you're investing in accessibility improvements, claim the credit every year you have qualifying expenses.
Form: 8826 · Best for: Retail locations, professional services, e-commerce businesses, any business making accessibility investments
7. Employer-Provided Child Care Credit (Section 45F)
Up to $150,000 per employerThe employer-provided child care credit covers costs for establishing or maintaining a qualified child care facility, or for contracting with a child care provider for employee access. The maximum credit is $150,000 per year — a significant amount that most businesses don't know exists.
The credit has two parts:
(1) Qualified child care facility: 25% of child care expenses + 10% of qualified childcare resource and referral expenses, capped at $150,000. This applies whether you run an on-site child care center or contract with an off-site provider.
(2) Child care resource and referral services: 25% of expenses for providing information and referral services to employees. Even if you don't run a child care facility, offering a referral service to employees qualifies for the credit — though at a lower rate.
Most underutilized part: the credit applies to employer-paid child care expenses for children of employees, not just your own children. If you pay for or subsidize child care for your employees, that cost may qualify. This is distinct from a Dependent Care FSA — the credit has its own rules.
Form: 8882 · Max: $150,000/year · Best for: Employers offering or subsidizing child care, businesses with working parents on staff
8. New Markets Tax Credit (NMTC)
39% of qualified investment over 7 yearsThe NMTC provides a 39% credit on qualified equity investments made in Community Development Entities (CDEs) that invest in low-income communities. The credit is claimed over 7 years — approximately 5.6% per year. For a $1 million investment in a CDE, that's roughly $390,000 in total credits over the investment period.
How it works for most small businesses: rather than investing directly, small businesses typically access the NMTC through local lenders or programs. Many SBA-approved lenders, CDFIs, and community development organizations offer NMTC-subsidized financing — meaning your loan or financing comes with an interest rate reduction or fee waiver backed by the NMTC, without you having to navigate the credit structure directly.
Direct claiming: businesses can apply to become CDEs and raise NMTC allocations to on-lend in their communities — this is more complex and typically pursued by established businesses with community development missions. The indirect benefit through NMTC-subsidized financing is more accessible for most small businesses.
Who benefits most: businesses operating in census tracts with poverty rates above 20% or median family incomes below 80% of the area median. Urban and rural businesses in qualifying areas may find NMTC-subsidized financing as a key capital source alongside SBA loans and grants.
Best for: Businesses in low-income or distressed census tracts, businesses seeking community development financing
9. Employee Retention Credit (ERC) — Status Update
Amended returns still openNew ERC claims are closed, but amended returns for 2020 and 2021 remain open under the standard statute of limitations. Businesses that experienced significant revenue declines or government-mandated shutdowns during COVID may still be able to claim credits they missed.
The IRS is scrutinizing ERC claims aggressively — this credit was heavily targeted by fraudulent promoters and many filed claims were inflated or fabricated. If you've already filed an ERC claim through a third-party promoter and are unsure of its legitimacy, verify it independently with a qualified tax advisor before your return is flagged. The Voluntary Disclosure Program offered a path to resolve incorrect claims at reduced penalties — check if this window applies to your situation.
Do not file ERC claims based on promoter guarantees. If it sounds too good to be true, it probably is. Legitimate ERC claims have a documented basis in COVID-era revenue or operations — this is verifiable, not a marketing pitch.
Form: 941-X (amended) · Best for: Businesses that haven't yet filed for 2020–2021 ERC and have documented COVID-era eligibility
How to Check Your Eligibility
The mistake most business owners make is stopping at "I've heard of that credit." Actually claiming a credit requires four steps:
Start with your business profile: industry, number of employees, type of activities, recent capital expenditures, geographic location, and hiring patterns. Each dimension opens different credit categories. A manufacturing company in an opportunity zone that hired a veteran last year, installed solar, and provides health insurance has five distinct credit opportunities — most of which they'll miss if they're not actively looking.
Capkiro's matching engine automates this step. After you answer questions about your business profile, it cross-references your answers against federal and state credit programs and surfaces the ones you're most likely to qualify for. See what you qualify for here.
Tax credits are backward-looking — you claim them for activities that already happened. But documentation is forward-looking. If you're doing R&D activities, you need contemporaneous records: project descriptions, time logs, contractor invoices, and evidence of experimentation. If you're hiring WOTC-eligible employees, you need the pre-screening form on day one. Start capturing this year's activity now — even if you're not sure it qualifies yet.
General CPAs are not credit specialists. R&D credit studies, WOTC administration, and energy credit substantiation are specialized work. If credits are a meaningful opportunity for your business, engage a specialist directly. For R&D credits specifically, the typical fee structure is contingency-based — the specialist only gets paid if they find something, which aligns incentives and eliminates upfront cost.
Credits require specific forms attached to your return. R&D credit requires Form 6765. WOTC uses Forms 8850 and 9061, with pre-screening on day one. Health care credit uses Form 8941. Energy credits use Form 3468 or 7205. ERC uses Form 941-X for amended returns. If you've already filed without claiming a credit you were eligible for, amended returns are often an option — the standard statute of limitations is three years from the original filing date.
Need hands-on help with your credit eligibility and filing?
The Executive tier ($179/month) includes dedicated tax & compliance guidance — real advisors who review your business profile and identify which credits you're most likely to qualify for, with documentation checklists and filing guidance. This is the right tier if you're serious about capturing credits that most small businesses leave on the table.
The matching engine covers federal and state programs at all tiers — but the Executive tier gets expert human review of your specific situation.
Common Mistakes When Claiming Tax Credits
Claiming the R&D credit without documentation
The R&D credit is one of the most audited credits on a small business return. The IRS wants to see contemporaneous documentation: project logs, employee time allocations, contractor agreements, and evidence of experimentation. "We developed software" is not documentation. "Engineer X spent 60% of Q3 on Project Y, documented in these sprint records and time sheets" is documentation. Build the record during the year, not during the audit.
Missing the WOTC pre-screening window
WOTC pre-screening must happen before or on the employee's first day of work. This is a hard deadline. There's no retroactive process. Build the Form 8850 into your onboarding workflow so it happens automatically — attach it to your offer letter or new hire paperwork. One hire a month at $2,400 average credit is almost $29,000 per year.
Overlooking state credits entirely
Most businesses focus exclusively on federal credits and never look at state programs. State R&D credits, hiring credits, and zone-based incentives often stack directly on top of federal programs — meaning you're leaving additional dollars unclaimed on credits you've already done the work to qualify for. See our top grants guide for the broader picture of state and federal programs worth pursuing.
Using ERC promoters without independent verification
The ERC fraud wave was one of the largest tax scams in IRS history. Thousands of businesses filed inflated or fabricated claims based on promoter guarantees. If you've received an ERC claim through a promoter and haven't verified eligibility independently with a qualified CPA, do that before your return is flagged. The penalties are substantial.
Not revisiting prior-year eligibility
Credits you missed in 2022, 2023, and 2024 may still be claimable through amended returns. If your business profile has changed — new hires, R&D activities, capital improvements — it's worth having a credit specialist review prior years. See our comparison of SBA loans vs. grants for the broader funding landscape that pairs with tax credit optimization.
Frequently Asked Questions
What is the Research & Development (R&D) Tax Credit and who qualifies?
The R&D tax credit (Section 41) rewards businesses that develop or improve products, processes, software, or formulas through experimental activities. Most product-focused businesses qualify without realizing it — software development, manufacturing process improvements, and prototype testing all qualify. Startups can apply it against payroll taxes (up to $250,000/year) if not yet profitable. Claim using IRS Form 6765.
How does the Work Opportunity Tax Credit (WOTC) work?
WOTC provides $2,400–$9,600 per eligible hire from targeted groups (veterans, long-term unemployed, ex-felons, SNAP recipients, and others). The credit equals 40% of first-year wages up to $6,000. Critical: you must screen the employee BEFORE or on their first day of work using IRS Form 8850. Miss the window and the credit is gone. Set up a pre-screening workflow to capture this automatically.
Can I claim both the 179D deduction and the IRA energy tax credit for the same project?
Generally no — you must choose one. The 179D deduction (up to $5/sq ft for energy-efficient buildings) and the IRA Investment Tax Credit (30% of solar, battery storage, EV charging) cannot be claimed on the same property. Choose whichever provides greater value. For property owners making HVAC, lighting, or insulation upgrades, 179D often wins. For solar/battery installations, the IRA ITC is typically larger.
Is the Employee Retention Credit (ERC) still available?
No — new ERC claims are closed. However, amended returns for 2020 and 2021 are still open under the standard statute of limitations. If your business had significant revenue declines or government-mandated shutdowns during COVID and never filed for ERC, you may still be able to claim it. Warning: the IRS is aggressively scrutinizing ERC claims. Verify eligibility independently — do not file based on promoter guarantees.
What is the Small Business Health Care Tax Credit?
The Small Business Health Care Tax Credit (Section 45B) covers up to 50% of your share of employee health insurance premiums if you have fewer than 25 full-time equivalent employees, pay average wages below $56,000/year, and cover at least 50% of each employee's premium. It's targeted specifically at small businesses that offer health coverage — and it's refundable, meaning you can get it even if you owe no tax.
What is the Disabled Access Credit?
The Disabled Access Credit (Section 44) provides a 50% credit on up to $10,000 of eligible expenditures per year for businesses with fewer than 30 full-time employees or less than $1 million in gross receipts that make their premises or services more accessible to people with disabilities. Qualifying expenses include sign language interpreters, accessible websites, assistive technology, and physical access modifications. Claim using IRS Form 8826.
Can a startup claim the R&D tax credit before becoming profitable?
Yes. The Payroll Tax Credit option, introduced by the PATH Act, lets startups apply the R&D credit against payroll taxes (FICA) instead of income taxes — up to $250,000 per year. This applies to businesses with less than $5 million in gross receipts that were not profitable in the prior year. This change made the R&D credit accessible to pre-revenue companies for the first time. Most startups qualify and don't know it.
How do state-level tax credits stack with federal credits?
State credits typically stack on top of federal credits — they don't replace them. Most states have their own R&D credits, hiring incentives, and zone-based programs worth 10–20% more on top of federal programs. Some states also offer credits with no federal equivalent: apprenticeship credits, manufacturing equipment exemptions, and child care credits. Capkiro's matching engine covers both federal and state programs — filter by your state and industry to see what's available. Browse the directory to see state and federal programs matched to your business.
The Bottom Line on Small Business Tax Credits in 2026
Tax credits are not passive. The IRS doesn't apply them for you. They require you to know they exist, document your qualifying activities, file the right forms, and — in the case of WOTC — take action before the qualifying event happens.
The businesses that consistently maximize credits treat it as a function, not an afterthought. They have a WOTC process. They capture R&D documentation quarterly. They run a credit review at year-end. It takes infrastructure — but the infrastructure pays for itself many times over.
If you're starting from scratch, the most efficient first step is understanding what you qualify for. That's what Capkiro's matching engine is built to do — surface your specific opportunities from the full credit and grant landscape, ranked by potential value and likelihood of eligibility.
See What You Qualify For
Answer a few questions about your business and Capkiro matches you against 100+ federal and state tax credits, grants, and incentive programs. Free to start — no CPA required.