The short answer: A pass-through entity premium is an upward adjustment to a business’s appraised value that reflects the single layer of tax paid by S corporations, LLCs, and partnerships. Because a pass-through owner avoids the second layer of tax that a C corporation shareholder pays on dividends, the same business delivers more cash to its owner – and more cash means more value. In practical terms, the premium typically lands somewhere between 10% and 25%, depending on the owner’s tax bracket, the state involved, and how much of the profit is actually distributed.
If your appraiser handed you a valuation report with a line near the bottom that reads “pass-through entity premium: 15.0%” and no plain-English explanation of where it came from, you are in good company. It is one of the least understood adjustments in business valuation, and one of the most frequently challenged. It is also one of the easiest to get badly wrong. Across our business valuation services work with US founders, family businesses, and CPA firms, we see the same handful of errors surface again and again – usually in reports that inflate value by 30% or more.
This article explains what the premium is, why it exists at all, how it is calculated, and what makes the number move. There is a full worked example with current 2026 tax rates so you can follow the arithmetic yourself.
Reviewing a valuation report and unsure whether this adjustment was handled correctly? CountSure’s valuation team can walk through it with you.
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Key Takeaways
- A pass-through entity premium adjusts business value upward to reflect that S corps, LLCs, and partnerships are taxed once, at the owner level, rather than twice.
- The benefit is the avoided dividend tax – not the avoided income tax. Pass-through income is still fully taxable; the tax simply moves to the owner’s Form 1040.
- The adjustment exists because discount rates are derived from public markets made up entirely of C corporations, so a standard DCF has already valued your pass-through as if it were a C corp.
- There is no universal 15%. Under 2026 rates, a realistic premium range for an operating business runs from roughly 15% to 22% depending on the owner’s bracket and state.
- Owners also benefit from basis build-up on undistributed earnings, which reduces the taxable gain on a future sale.
- The IRS has historically opposed tax affecting, but Kress (2019), Jones (2019), and Cecil (2023) have made it defensible when properly supported.
One Layer of Tax vs. Two: Where the Benefit Actually Comes From
A C corporation pays tax twice on the same dollar of profit. First the company pays federal corporate income tax at 21%, plus state corporate tax where applicable. Then, when what remains is paid out to shareholders as a dividend, the shareholder pays tax again – federal qualified dividend tax, the 3.8% net investment income tax where it applies, and state tax. That is what “double taxation” means: two separate levies on one stream of earnings before the money reaches an investor’s pocket.
A pass-through entity works differently. An S corporation, an LLC taxed as a partnership, or a partnership itself pays no entity-level federal income tax. Profits flow through to the owners, who report them on their personal returns and pay tax there. This distinction sits at the heart of choosing between an S corp and a C corp and is a primary reason so many US business owners end up forming an LLC in the first place.
The valuation consequence follows directly. If two businesses are identical in every respect – same revenue, same margins, same growth, same risk – but one delivers more after-tax cash to its owner, that one is worth more. Value follows cash.
The Mistake That Inflates Valuations by 40% or More
Here is where a surprising number of valuation reports go wrong.
Some analysts see “pass-through entity – no entity-level tax” and conclude that no tax applies at all. They then capitalize or discount pre-tax earnings, treating the business and its owner as if neither were liable for income tax. The result is a value that can be 40% or more above what the business is actually worth.
The error is a category confusion. What the pass-through owner avoids is the dividend tax – the second layer. The income tax itself has not vanished. It has moved from the entity’s return to the owner’s individual return, and it is paid at individual rates, which are frequently higher than the 21% corporate rate.
Put simply: when an investor pays tax on income from an investment, the investor ends up with less money than if no tax applied. If one investment is taxed and another is not, the untaxed one is worth more – which is precisely why a pass-through is worth more than an identical C corporation. But a pass-through is not untaxed. It is taxed once. Valuing it as though it were taxed zero times overstates value dramatically.
Getting this wrong is expensive. An overstated valuation can distort a buy-sell settlement, a gift tax filing, or a sale negotiation.
Talk to CountSure before you rely on the number.
Why Any Adjustment Is Needed at All: The Discount Rate Mismatch
This is the part most explanations skip, and it is the actual justification for the premium.
When an appraiser builds a discounted cash flow model, the discount rate comes from public capital market data – observed rates of return on publicly traded companies. Every publicly traded company in that dataset is a C corporation. There is no empirical, observable rate of return for pass-through entities, because pass-throughs are not publicly traded.
That public-market rate of return already has C corporation tax drag embedded in it, at both levels: the entity tax the company paid, and the dividend tax the shareholder paid before the return landed in their hands.
So when you discount a pass-through entity’s cash flows using a rate derived from C corporations, you have effectively valued the business as if it were a C corporation. The benefit stream and the discount rate are not an apples-to-apples match. The pass-through entity premium is the correction applied at the end to undo that mismatch.
This matters for how you read a report. The premium is not a bonus added because pass-throughs are somehow better. It is a repair to an unavoidable inconsistency in the method.
Side-by-Side Comparison
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Lakeview as an LLC
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Lakeview as a C Corp
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|---|---|---|
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Pre-tax business income
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$1,000,000
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$1,000,000
|
|
Federal entity tax (21%)
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-
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($210,000)
|
|
State entity tax (5%, net of federal benefit)
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-
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($39,500)
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|
Cash available to distribute
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$1,000,000
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$750,500
|
|
Federal income tax (37% on $800,000 after QBI)
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($296,000)
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-
|
|
State income tax (5%)
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($50,000)
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-
|
|
Federal qualified dividend tax (20%)
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-
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($150,100)
|
|
Net investment income tax (3.8%)
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-
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($28,519)
|
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State dividend tax (5%)
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-
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($37,525)
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Cash in Sarah's pocket
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$654,000
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$534,356
|
|
All-in effective tax rate
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34.6%
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46.6%
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Turning the Cash Difference Into a Value Difference
Sarah keeps $119,644 more each year as an LLC – 22.4% more cash than the identical C corporation would deliver.
Now suppose the DCF analysis, built on public-company return data, indicates a value of $4,000,000 for Lakeview. That figure has implicitly valued the business as a C corporation. Applying the 22.4% pass-through entity premium brings the indicated value to approximately $4,896,000 – nearly $900,000 of value that would otherwise have been left out of the report.
The Implied Entity Tax Rate: How Appraisers Actually Compute It
The Second Benefit Nobody Mentions: Basis Build-Up
The avoided dividend tax is the headline, but it is not the only advantage.
When a pass-through entity earns income and does not distribute all of it, the owner’s tax basis in their ownership interest increases by the undistributed amount. The owner has already paid tax on that income, so the tax code credits it to their basis.
This matters at exit. Capital gain on a sale is the difference between the sale price and the owner’s basis. The higher the basis, the smaller the taxable gain. A pass-through owner who has retained earnings in the business for years may carry a substantially higher basis than a C corporation shareholder in an identical situation, because retained earnings in a C corporation do nothing for shareholder basis.
Most models capture this as a secondary effect rather than a separate line item, but it is a real economic benefit and it belongs in the discussion.
Why "15%" Is Not a Universal Answer
The 15% figure circulates widely because it appeared in a generation of valuation reports written under 2018-era assumptions. It is not a constant, and treating it as one is a red flag.
Run the same Lakeview model for an owner in the 32% bracket, paying 15% on qualified dividends and falling below the NIIT threshold, and the premium drops to 15.6%. The top-bracket owner gets 22.4%. Same business, same state, same everything except the owner’s tax position – a seven-point spread in the adjustment.
What actually moves the number:
- Distribution policy. A pass-through that distributes nothing looks very different from one distributing all of its earnings. Minority interests in non-distributing entities are where premiums are most often misapplied.
- The owner’s bracket. Higher personal rates reduce the pass-through advantage; higher dividend rates and NIIT exposure increase it.
- State rates. States that do not conform to the federal QBI deduction, and states with high individual rates, meaningfully compress the benefit.
- SSTB status. Specified service trades or businesses – including accounting, law, health care, and financial services – lose the QBI deduction above the income thresholds, which shrinks the premium.
- A controlling owner can change distribution policy or revoke the election. A minority holder generally cannot, and the premium should reflect that.
- A controlling owner can change distribution policy or revoke the election. A minority holder generally cannot, and the premium should reflect that. They deserve the same scrutiny during transaction due diligence [CLUSTER-URL-4] that any other major valuation input receives.
Where the IRS and the Courts Stand
This is contested ground, and any report that presents the premium as settled law is overstating the position.
Since Gross v. Commissioner in 1999, the IRS has generally argued that no entity-level tax should be applied when projecting the earnings of an S corporation – that is, that tax affecting is inappropriate. For roughly two decades, that position largely prevailed in the Tax Court.
The picture has shifted. In Kress v. United States (2019), a federal district court accepted a valuation in which both the taxpayer’s expert and the IRS’s own expert tax affected the S corporation’s earnings. The Tax Court supported tax affecting in Estate of Jones v. Commissioner the same year. And in Cecil v. Commissioner (T.C. Memo 2023-24), the Tax Court upheld tax affecting for gift tax purposes.
Two caveats are important. In Cecil, both sides’ experts agreed that tax affecting was appropriate and agreed on the method, which the court leaned on heavily. And the court was explicit that tax affecting is not appropriate in every scenario – it remains fact-specific. Estate of Jackson went the other way.
The practical implication for anyone commissioning a valuation for gift and estate tax purposes [CLUSTER-URL-3]: the adjustment is defensible, but only when it is documented. An unsupported percentage is an invitation to challenge.
Frequently Asked Questions
1. What is a pass-through entity premium?
A pass-through entity premium is an upward adjustment to a business’s appraised value that reflects the tax advantage of being taxed once rather than twice. S corporations, LLCs, and partnerships pay no federal entity-level income tax, so their owners avoid the second layer of tax that C corporation shareholders pay on dividends. That produces more after-tax cash, and therefore more value.
2. Why is an S corp worth more than an identical C corporation?
Because more of the same earnings reach the owner. A C corporation pays tax at the entity level and its shareholders pay tax again on dividends. An S corporation’s earnings are taxed only once, on the owner’s personal return. Using 2026 rates and top-bracket assumptions, that difference can be worth roughly 22% more after-tax cash on identical pre-tax profits.
3. What is tax affecting in business valuation?
Tax affecting is the practice of applying a hypothetical entity-level tax to a pass-through entity’s projected earnings so those earnings can be compared with public C corporation data. It is done because discount rates are derived from public markets composed entirely of C corporations. The pass-through entity premium is then applied to correct for the difference in shareholder-level tax.
4. Is the pass-through entity premium always 15%?
No. Fifteen percent is a figure that circulated widely in reports written under 2018-era assumptions, but the correct premium varies with the owner’s tax bracket, the applicable state rates, the entity’s distribution policy, SSTB status, and whether the interest being valued is controlling or minority. Under current rates, a realistic range for an operating business runs from roughly 15% to 22%.
5. Does the IRS accept the pass-through entity premium?
The IRS has historically opposed tax affecting, a position rooted in Gross v. Commissioner (1999). That position has weakened. Kress v. United States (2019), Estate of Jones (2019), and Cecil v. Commissioner (2023) all accepted tax affecting. The Tax Court has been clear, however, that the analysis is fact-specific – the adjustment must be properly supported to hold up.
6. Do LLCs and partnerships get the same premium as S corporations?
The underlying logic is the same for any entity taxed once at the owner level, including LLCs taxed as partnerships and partnerships themselves. The specific figures differ because of self-employment tax treatment, guaranteed payments, and differences in how basis and distributions work. The premium should be modeled for the actual entity type rather than borrowed from an S corporation analysis.
7. What is the Van Vleet SEAM model?
The Van Vleet SEAM (S Corporation Economic Adjustment Model) is a widely used framework for quantifying the pass-through entity premium. It solves for the entity-level tax rate a C corporation would need in order to leave its investors with the same after-tax cash as pass-through investors, then converts the gap between that implied rate and the actual C corporation rate into a value premium. Its logic parallels the Delaware MRI model.
8. Does the premium still apply now that the QBI deduction is permanent?
Yes, and permanence generally increases it. The One Big Beautiful Bill Act, signed in July 2025, removed the scheduled expiration of the 20% qualified business income deduction. Valuation reports prepared before that change often assumed the deduction would lapse after 2025, which understated the long-run pass-through advantage. Those models are worth revisiting.
Getting the Number Right
The pass-through entity premium is a real economic adjustment grounded in a straightforward idea: one layer of tax leaves more cash in the owner’s hands than two, and cash drives value. What makes it difficult is not the concept but the discipline – using the owner’s actual tax position, the correct state treatment, honest distribution assumptions, and current rates.
CountSure works with founders, family businesses, and CPA firms across the United States on valuations for transactions, gift and estate filings, buy-sell agreements, and financial reporting. If you are commissioning a valuation, reviewing one, or wondering whether an older report needs updating for the permanent QBI deduction, we can help.
Schedule a free consultation
Parth Shah, Managing Director
(CPA-US, FCA, RV-S&FA, DISA)
