If you operate your business as a C corporation, there’s a powerful tax strategy that could significantly reduce — or even eliminate — capital gains taxes when you sell your shares. Qualified Small Business Stock (QSBS) has long been a valuable planning tool, and recent updates under the One Big Beautiful Bill Act (OBBBA) have made it even more attractive for business owners and investors.
Understanding Qualified Small Business Stock
Qualified Small Business Stock applies specifically to shares issued by certain C corporations that meet IRS criteria. While these corporations are taxed like standard C corporations — including the flat 21% federal corporate tax rate — QSBS offers a major advantage at the shareholder level.
Under current rules, eligible shareholders may exclude up to 100% of the capital gains from the sale of QSBS, provided all requirements are satisfied. This can translate into substantial tax savings, particularly for entrepreneurs planning an exit strategy.
It’s important to note that C corporations themselves cannot benefit from this exclusion. However, individuals who own QSBS directly or through pass-through entities such as S corporations, partnerships, or LLCs may qualify, with the tax benefit flowing through to the individual owners.
Key Requirements for QSBS Eligibility
Not all stock qualifies for this favorable treatment. To take advantage of the QSBS gain exclusion, the following criteria must be met:
- The stock must be acquired at original issuance, either directly from the corporation or through a gift or inheritance.
- The issuing company must qualify as a QSBS corporation at the time of issuance and for substantially all of the holding period.
- The corporation’s gross assets must not exceed $75 million (or $50 million for stock issued on or before July 4, 2025). This threshold will be indexed for inflation beginning in 2026.
- The business must actively operate in a qualified trade or industry. Certain service-based businesses and other excluded industries do not qualify.
- The stock must be held for a minimum of five years to qualify for the full 100% gain exclusion.
Because eligibility hinges on multiple technical factors, careful planning and documentation are critical from the outset.
Recent Changes Under the OBBBA
The One Big Beautiful Bill Act introduced several enhancements that expand the flexibility of QSBS tax benefits for stock acquired after July 4, 2025.
While the 100% exclusion still applies to shares held for at least five years, the updated law now allows for partial exclusions at shorter holding periods:
- 50% exclusion for stock held at least three years
- 75% exclusion for stock held at least four years
- 100% exclusion for stock held five years or longer
These changes provide greater planning opportunities for investors who may not want to hold shares for a full five-year period.
Limits on Excludable Gains
For QSBS acquired after July 4, 2025, the amount of gain you can exclude each year is capped at the greater of:
- 10 times your adjusted basis in the stock sold, or
- $15 million ($7.5 million for married individuals filing separately), reduced by prior QSBS exclusions from the same corporation
This $15 million cap effectively acts as a lifetime exclusion limit per taxpayer for each qualifying company.
Strategic Planning Opportunities
QSBS can play a central role in long-term tax planning, particularly for entrepreneurs, startup founders, and investors. When combined with the relatively low corporate tax rate, it creates a compelling case for structuring or converting a business into a C corporation under the right circumstances.
However, QSBS rules are complex, and missteps — such as exceeding asset thresholds or engaging in nonqualified business activities — can disqualify the benefit entirely. Strategic structuring, timing, and compliance are essential.
How Botwinick & Company, LLC Can Help
At Botwinick & Company, LLC, we work closely with business owners and investors to identify advanced tax strategies that align with their financial goals. If you’re considering forming a new entity, restructuring an existing business, or planning a future exit, our team can help you determine whether QSBS is a viable and beneficial option.
From initial qualification analysis to ongoing compliance and exit planning, we provide the guidance needed to navigate these rules with confidence.
Take the Next Step
Leveraging QSBS can result in significant tax savings, but only when executed correctly. If you want to explore how this strategy fits into your overall tax plan, contact Botwinick & Company, LLC today. We’ll help you evaluate your eligibility and structure your business for maximum tax efficiency.




