03 Dec TAX IMPLICATIONS OF SELLING A BUSINESS
Selling a business is often the most significant liquidity event in an entrepreneur’s life.
With proper planning, owners can dramatically reduce federal and state tax liabilities and maximize after-tax proceeds.
Below are the most important tax considerations we are discussing with business owners in 2025 and early 2026.
1. Asset Sale vs. Stock Sale – The Fundamental Tax Divide
Most buyers prefer to buy assets (Step-Up in Basis → future depreciation/amortization deductions), while most sellers prefer to sell stock (generally capital gain treatment).
| Item | Asset Sale (Buyer’s Preference) | Stock Sale (Seller’s Preference) |
|---|---|---|
| Tax to Seller | Ordinary income on inventory, recapture, some depreciated assets + capital gain on goodwill, real estate, etc. | Almost always long-term capital gain |
| Federal Rate (2025) | Up to 37% + 3.8% NIIT on ordinary portions | 20% + 3.8% NIIT (23.8% total for most) |
| State Tax | Often fully taxable at ordinary rates | Many states conform to federal capital gain treatment |
| Typical Tax Leakage | 30–45%+ combined federal/state on total gain | 20–28% combined federal/state |
**Planning Tip:** If the buyer insists on an asset deal, negotiate a higher purchase price or consider an F-reorganization to achieve a stock sale with a Section 336(e) or 338(h)(10) election that gives the buyer a step-up while treating the sale as an asset sale for tax purposes to the seller.
2. Qualified Small Business Stock (QSBS) – The 100% Exclusion Opportunity
If your client holds C-corporation stock that qualifies under IRC §1202:
– Up to $10M or 10× basis of gain can be 100% excluded from federal tax (and in many states).
– Five-year holding period required.
– Gross assets of the C-corp must not have exceeded $50M when the stock was issued.
2025–2026 is a common window for founders who received stock in 2019–2020 to hit the 5-year mark. We are seeing many QSBS “stacking” strategies (founder contributions + rollover of prior gain) yielding $30M–$100M+ exclusions.
3. Installment Sale Reporting – Deferral Still Available (Mostly)
Installment reporting under §453 remains available for most sales, spreading capital gain over the note term. However:
– Depreciation recapture and inventory are accelerated.
– Interest must be charged at the Applicable Federal Rate (AFR) or the note is imputed interest.
– Buyer default risk is real – consider third-party standby letters of credit or escrow holdbacks.
4. State Tax Traps – Don’t Forget the “Throwback” and SALT Cap Workarounds
– States such as California, New York, and New Jersey aggressively source goodwill and intangible gain to the state where the business operates or the seller resides.
– The $10,000 federal SALT deduction cap still applies in 2025, making high-state-tax sales especially painful.
– Popular workaround: Complete a pre-sale move to a no-income-tax state (TX, FL, TN, etc.) while ensuring the gain is sourced as nonresident income.
5. Opportunity Zone Rollover – Still Viable Until End of 2026
Gain invested into a Qualified Opportunity Fund within 180 days can:
– Defer tax until 12/31/2026.
– Receive a 10% basis step-up if held 5+ years (only useful if sold before 12/31/2026).
– Achieve permanent exclusion of post-investment appreciation if held 10+ years.
With the deferral cliff approaching, many owners are using QOZ as a short-term bridge.
6. Charitable Remainder Trusts (CRTs) – The “Double Dip” Strategy
Contribute appreciated stock or asset to a CRT before the sale:
– Avoid immediate capital gain.
– Receive an upfront charitable deduction (often 25–40% of FMV).
– Receive an income stream for life or a term of years.
– Remainder to charity.
Especially powerful for owners over age 65 who want income and philanthropy.
7. Net Investment Income Tax (3.8%) – Almost Impossible to Avoid
The NIIT applies to virtually all sales of pass-through entities and C-corp stock unless the seller materially participates and the sale qualifies as disposition of an active trade or business (rare after TCJA changes). Plan for the extra 3.8%.
Action Items Before Year-End 2025
1. Perform a QSBS eligibility analysis (we can run the §1202 checklist in 1–2 weeks).
2. Model asset vs. stock sale economics with state tax overlay.
3. Evaluate F-reorganization + 338(h)(10)/336(e) if buyer demands asset treatment.
4. Begin residency planning if contemplating a move to a zero-tax state.
5. Run CRT and Opportunity Zone projections if charitable or deferral goals exist.
Selling a business without advance tax planning can easily cost owners 10–20% of the proceeds. The strategies above routinely save seven-figure tax dollars when implemented 12–36 months in advance.