By Christopher Clepp, ChFC® · Building Towards Wealth
Should I Be Doing Tax Planning Years Before I Sell My Business?
Yes. Some of the most significant tax savings on a business sale almost never happen at the closing table. They happen in the years before it, while you still have room to move. Once a letter of intent is sitting on your desk, most of the strategies that matter are already behind you.
Key Takeaways
- The strategies that move the after-tax number on a sale need years of runway — not months.
- QSBS under Section 1202 can be one of the most powerful tools available, but it rewards early planners and punishes late ones.
- Entity structure, holding-company setup, and charitable vehicles all need to be in place well before a buyer shows up.
- Timing income and deductions across years is unglamorous and effective. The closing year is the worst time to learn this.
- Pre-sale planning only works when your CPA, attorney, and financial advisor are in the same conversation — not playing telephone through you.
Why the closing table is too late
The closing table is for execution. The strategy work happens long before you get there. Most owners start thinking about taxes when the LOI shows up, and by then many of the strategies that may provide the greatest benefit are already off the table.
The big tax moves on a sale need runway. Some need five years (QSBS under Section 1202). Some need three (entity restructuring, a holding-company setup). Some need at least a full tax year to spread across (income timing, charitable structures, installment-sale planning). Once a buyer is in motion, your options generally shrink to whatever you can execute before the wire hits.
There’s not a wrong time to do the right thing, but there is such a thing as too late to start. For the broader frame this pre-sale work sits inside, see Maximizing Tax Planning Advantages of Business Ownership.
Fix the entity before you sell, not during
The entity you’ll sell from is rarely the one you would have built if you’d been planning for the exit on day one. Some owners need to clean up the structure well before they ever talk to a buyer.
C-Corp to S-Corp conversion. If you have built-in gains from your C-Corp years, you’re looking at a five-year wait after conversion before the built-in gains tax stops applying. That clock starts the day you convert, which is why the decision belongs years out and not in your final year. Talk to your CPA before you touch it.
Holding-company structures. Owners with multiple lines of business or a lot of operating real estate often benefit from separating the operating assets from the real property. The setup takes time, costs legal money, and changes how ownership gets reported. Worth doing when you have the runway. Not worth scrambling for in the last year.
QSBS (Qualified Small Business Stock) under Section 1202. For qualifying C-Corp shareholders, Section 1202 can exclude a portion of your gain from federal tax when you sell qualifying stock. The 2025 tax law (the One Big Beautiful Bill Act) reworked the rules for stock acquired after July 4, 2025. You now get a tiered exclusion: 50% of the gain at three years, 75% at four years, and 100% at five years. The per-issuer cap moved from $10 million to $15 million (or 10 times your basis, whichever is greater), and the company’s gross-asset ceiling went from $50 million to $75 million. Stock acquired before that date still lives under the old rules — a flat five-year hold and a $10 million cap. The eligibility rules are technical (business type, asset thresholds, active-business requirements), and they reward the people who plan early. Owners who first hear about QSBS the year before a sale have usually missed the window. This is CPA-and-attorney territory, so get them involved early.
F-reorganization to clean up entity history. Sometimes the path to a clean sale runs through a tax-free restructuring that resets the corporate form. Done well, an F-reorg can preserve QSBS status, clear out legacy issues, and set the entity up for the deal structure the buyer wants. Done wrong, it can create new problems. Your deal attorney and CPA drive this one.
These are tax-driven strategies, and I’m a financial advisor, not a CPA or an attorney. My job is to flag the question years ahead, while the runway still exists, so the right people are at the table when the work needs to happen.
The boring move that may save the most: timing
Timing isn’t exotic. It’s deliberate. And it can move real dollars.
Depending on your situation, accelerate deductible expenses into the years before a high-income event. Defer discretionary revenue when you can, to spread income across tax years. Bunch charitable deductions through a donor-advised fund in a strong year. Pre-fund retirement plans aggressively while ordinary income is still flowing through.
None of these are clever. All of them can add up. The opposite mistake is a common one: an owner takes a one-time bonus, sells appreciated investments, and writes a big charitable check all in the same year as the sale, stacking ordinary income on top of capital gains and pushing into brackets a calendar would have avoided. Your CPA should be the one running this math with you.
Get your CPA, your attorney, and your advisor in the same room
A sale is the moment fragmented professional relationships can cost you the most.
The CPA who files your annual return isn’t necessarily the CPA with the bandwidth and exit-deal experience to lead pre-sale structuring. The attorney who drew up your operating agreement isn’t necessarily the deal attorney who should draft the sale documents. The advisor handling the 401(k) isn’t necessarily the wealth advisor planning for your post-sale balance sheet.
Pre-sale planning works when these people are in one conversation, not playing telephone through the founder. The financial advisor often plays quarterback. That’s part of the job.
For a broader walkthrough of what an exit involves, see Everything You Need to Know About Selling Your Business.
What the 3-to-5 year runway actually looks like
These are general planning waypoints, not specific recommendations. The right moves for any one owner depend on the facts, and you should run them by your CPA and attorney before you act.
| Timeframe | Focus |
|---|---|
| Five years out | Entity-structure review. QSBS eligibility analysis if it’s plausible. The first real conversation about value drivers and the personal-readiness question. The advisor team gets aligned. |
| Three years out | Holding-company setup if needed. F-reorganization if needed. Charitable structure (donor-advised fund or charitable remainder trust) stood up if philanthropy is part of the plan. Compensation strategy reviewed for the coming transition. |
| 18–12 months out | Quality-of-earnings prep. Final tax-year planning to set up the sale year. Buyer-readiness work on the operational side. The retirement and proceeds plan modeled in detail. |
| Six months out | Income and deduction timing locked in for the sale year. The team is positioned to execute. |
| Six months after | The proceeds plan goes live: Roth conversion analysis in the gap year, allocation for the post-sale portfolio, charitable distributions, family gifting if it fits. |
On the bigger question of when to actually pull the trigger, see When to Sell Your Business for Gen X and Gen Y Entrepreneurs.
Let’s talk
If a sale is anywhere on the horizon, the planning conversation should already be running in the background. The value was never in the binder. It’s in the planning. That’s the work I do with business owners through the Abundant Wealth Process.
If you want to start, schedule a call. One hour, no sales pitch.
Not ready to talk yet? Grab the free guide, 7 Exit Tax Mistakes Founders Make Before They Sell, and see where the money usually leaks out before you ever get to a deal.
Disclosure: This article is for general educational and informational purposes only and is not personalized tax, legal, accounting, or investment advice. Any tax figures and thresholds reflect current law as of the date of publication; tax laws and IRS thresholds change frequently, and current-year figures should be verified with a qualified professional before you rely on them. Christopher Clepp, ChFC®, is a financial advisor and not a CPA or attorney and does not provide tax advice. Consult qualified tax, legal, and accounting professionals regarding how any strategy applies to your specific situation. Securities offered through The O.N. Equity Sales Company, Member FINRA/SIPC, One Financial Way, Cincinnati, Ohio 45242, (513) 794-6794. Investment Advisory services offered through O.N. Investment Management Company.
