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The "One Big Beautiful Bill Act", signed in July 2025, has made C corporations significantly more attractive for many small business clients. Understanding when to recommend this structure can provide substantial tax savings for the right situations.
The primary advantage occurs when clients can retain earnings in the business rather than taking distributions. C corporations pay a flat 21% federal rate on retained earnings, while high-earning clients might face personal rates up to 37%. This creates immediate tax savings on money left in the business for growth or future needs.
Professional service clients like consultants, attorneys, and accountants often benefit most. If a client generates $400,000 annually and retains $200,000 in the corporation, they'll pay $42,000 in corporate tax instead of $74,000 if that income passed through to their personal return. The $32,000 annual savings can compound significantly over time.
Technology and high-growth businesses are ideal candidates, especially those planning to sell eventually. These clients can benefit from both the lower retention rate and enhanced sale benefits discussed below.
The Game-Changing QSBS Enhancement
The new law dramatically improved Qualified Small Business Stock benefits for stock issued after July 4, 2025. Instead of requiring a five-year holding period, clients can now exclude portions of gain with shorter timeframes. After three years, they exclude 50% of gain. After four years, it's 75%. The full 100% exclusion still requires five years.
The exclusion limit increased from $10 million to $15 million per company, and the asset threshold rose from $50 million to $75 million. For clients selling qualifying businesses, this can mean millions in tax savings.
However, gains not fully excluded under the shorter holding periods are taxed as ordinary income, not capital gains. This results in an effective rate around 28% for partial exclusions, still significantly better than standard tax treatment.
Additional C Corp Benefits
C corporations can deduct employee benefits that S corp owners can't. Health insurance, life insurance, disability coverage, and educational assistance are fully deductible to the corporation without creating taxable income for owner-employees. For clients spending $30,000 annually on family health insurance, this represents substantial savings.
When to Avoid C Corp Status
Don't recommend C corporations for clients who need regular cash distributions. Double taxation kicks in when profits are distributed as dividends, potentially creating combined rates approaching 40%. Rental property owners also face disadvantages due to limited depreciation benefits and higher taxes on property sales.
Practical Implementation
For existing clients, consider whether new stock issuance after July 4, 2025, makes sense to capture enhanced QSBS benefits. New clients starting businesses should incorporate as C corporations if they fit the profile.
Key compliance points include maintaining detailed records of stock issuance dates, monitoring asset thresholds for QSBS qualification, and ensuring reasonable compensation to avoid IRS scrutiny.
The enhanced QSBS provisions alone can justify C corp elections for many clients. A client selling a qualifying business after four years could save over $2 million in taxes compared to other structures. Given these potential savings, C corporation planning deserves serious consideration for any client building a valuable business they might eventually sell.
Christine Gervais is a licensed CPA, using her skills to help businesses grow and achieve their fullest potential. Christine has a Master’s degree in accounting from Southern New Hampshire University in addition to holding her CPA license for over a decade. Notably, Christine is a nationally recognized speaker providing education to other CPAs on how to best serve clients as well as instruction on a wide variety of topics for business owners on how to maximize success. Christine prides herself on the value she can bring to clients with her extensive tax knowledge and provides strategic, forward-thinking financial strategies to help clients grow. When not behind her desk, you can find Christine spending quality time with her daughter and stepson or tending to the family’s excessively loved farm animals.
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