Installment Sale of a Business: Tax Benefits, Risks and Planning Considerations

Estimated reading time: 8 minutes

Key Takeaways

An installment sale of a business allows sellers to receive payments over time, which can spread taxable gains but introduces various risks.
The transaction’s structure determines tax implications, varying significantly between selling ownership interests and individual assets.
Sellers should carefully evaluate the buyer’s credit risk, as defaults can result in additional costs and tax complications.
Tax elements like depreciation recapture and the interest rate on the note can affect cash flow and taxation timelines in an installment sale of a business.
Before agreeing to terms, sellers must analyze several factors, including the nature of the sale, payment structure, and potential future tax changes.

Installment sale of a business: What owners should consider before accepting payments over time

Selling a company is one of the most consequential financial decisions a business owner can make. The structure of the transaction may affect how much tax you owe, when that tax becomes due and how much risk you retain after closing.

An installment sale of a business may allow you to receive the purchase price over several years instead of collecting the full amount at closing. This approach can spread taxable gain across multiple tax periods, but it also introduces credit, cash-flow and tax-planning considerations that should be evaluated before the sale agreement is finalized.

How an installment sale works

In a typical installment arrangement, the buyer makes a payment at closing and signs a promissory note for the remaining purchase price. The note specifies the payment period, interest rate, collateral and other terms.

Each payment generally consists of three possible components:

A return of the seller’s tax basis
Taxable gain from the sale
Interest income taxed separately at ordinary income rates

The gross profit percentage for the transaction determines how much of each principal payment is treated as taxable gain. In simple terms, that percentage compares the seller’s gross profit with the total contract price.

The seller generally reports the applicable gain as payments are received rather than recognizing the entire eligible gain in the year of sale. This is the principal tax-deferral feature of an installment arrangement.

Installment sale of a business tax considerations

The tax treatment depends heavily on what the buyer is purchasing. Selling an ownership interest in a company can produce different results from selling the company’s individual assets.

In an asset sale, the total purchase price must generally be allocated among assets such as:

Cash and accounts receivable
Inventory
Equipment and vehicles
Buildings and land
Customer relationships
Trademarks, trade names and other intangible assets
Goodwill

Each asset may receive different tax treatment. Some assets may generate capital gain, while others may produce ordinary income or depreciation recapture.

Because of these differences, an owner should not assume that the entire purchase price will qualify for installment treatment or favorable capital gains rates. The proposed allocation should be modeled before it is included in the purchase agreement.

How spreading the gain may affect your tax bill

An installment sale generally defers eligible gain rather than eliminating it. The seller reports portions of the gain over the note’s payment period, which can help avoid recognizing the entire amount in a single year.

For 2026, the 20% federal long-term capital gains rate generally applies once taxable income exceeds:

$545,500 for single filers
$579,600 for heads of household
$613,700 for married couples filing jointly
$306,850 for married individuals filing separately

Taxpayers whose taxable income remains below the applicable threshold generally pay no more than the 15% federal rate on long-term capital gains. Some gain may qualify for the 0% rate when taxable income does not exceed:

$49,450 for single filers and married individuals filing separately
$66,200 for heads of household
$98,900 for married couples filing jointly

Taxable income includes the capital gain, so the rate applied to a business sale is not determined solely by the seller’s income before the transaction. A gain may cross more than one capital gains bracket, with different portions taxed at different rates.

The 3.8% net investment income tax may also apply. This tax is generally based on the lesser of net investment income or the amount by which modified adjusted gross income exceeds:

$200,000 for single filers and heads of household
$250,000 for married couples filing jointly
$125,000 for married individuals filing separately

Unlike many other tax thresholds, these net investment income tax amounts are not adjusted annually for inflation.

Spreading taxable gain over several years may help a seller remain within a lower capital gains bracket or reduce exposure to the 3.8% tax in one or more years. The result depends on the seller’s other income, the character of the gain and whether the gain constitutes net investment income under the applicable rules.

Other income, investment gains, retirement distributions and state taxes can materially change the outcome. Sellers should model the transaction across the note’s full payment period rather than evaluating only the year of closing.

Potential business advantages beyond tax deferral

Seller financing can make a transaction possible when a qualified buyer cannot obtain enough third-party financing to pay the full purchase price at closing. It may also help the seller negotiate a higher price or expand the pool of potential buyers.

An installment arrangement can be particularly useful when the parties disagree about the company’s future performance. For example, part of the purchase price could depend on revenue, earnings or another agreed-upon performance measure after the sale.

Potential business advantages include:

Giving the buyer more time to fund the acquisition
Creating a predictable income stream for the seller
Supporting a transition period with the former owner
Bridging a valuation gap through contingent payments
Demonstrating the seller’s confidence in the company’s future

These advantages should be weighed against the fact that the seller remains financially connected to the business and the buyer after closing.

Evaluate the buyer’s credit risk carefully

An installment note is only as reliable as the buyer’s ability and willingness to make the required payments. If the buyer defaults, the seller may face collection costs, repossession challenges and additional tax complications.

Before accepting a significant note, consider reviewing:

The buyer’s personal and business credit history
Available cash and financing commitments
Projected cash flow after the acquisition
Collateral securing the note
Personal or third-party guarantees
Default provisions and collection remedies
Restrictions on additional debt or owner distributions
The note’s priority relative to the buyer’s bank financing

A commercial lender may require the seller’s note to be subordinated to the bank’s acquisition loan. Subordination limits the seller’s right to collect if the buyer experiences financial distress, making the quality of the collateral and guarantees especially important.

Depreciation recapture can create an early tax bill

Depreciation recapture is one of the most important limitations to examine in an asset sale. Certain gain attributable to previously claimed depreciation must generally be recognized in the year of sale, even if the buyer will make payments over several years.

As a result, the seller could owe substantial tax before receiving a comparable amount of cash. This timing mismatch should be included in the transaction’s cash-flow analysis.

Owners should estimate the following before approving the payment schedule:

Gain associated with each asset category
Depreciation recapture recognized at closing
Tax due in the year of sale
Cash available from the down payment
Transaction costs and debt that must be paid at closing

The down payment may need to be increased if it would otherwise be insufficient to cover taxes, professional fees and outstanding business obligations.

The note must include adequate interest

A seller-financed note should specify an appropriate interest rate. If the stated rate is too low, federal tax rules may recharacterize a portion of the principal as interest.

That reclassification can be unfavorable because interest received by an individual is generally taxed at ordinary income rates. The original issue discount and imputed-interest rules may also change the timing of reported interest income.

The interest rate and payment schedule should therefore be reviewed before the parties sign the purchase agreement or promissory note.

Consider the possibility of future tax-rate changes

An installment arrangement can last for several years. During that period, Congress could change capital gains rates, ordinary income tax rates, net investment income tax rules or applicable income thresholds.

Deferring gain creates the possibility that some income will be recognized under less favorable rules. On the other hand, the seller may benefit if income decreases or tax law becomes more favorable.

Because no one can predict future legislation with certainty, owners should compare several scenarios rather than relying on a single projection.

Questions to answer before agreeing to an installment sale

A sound analysis should address both the tax consequences and the economics of the transaction. Before accepting payments over time, ask:

Is the transaction an ownership-interest sale or an asset sale?
Which portions of the sale qualify for installment reporting?
How will the purchase price be allocated among the assets?
How much depreciation recapture or ordinary income arises at closing?
Is the down payment sufficient to cover immediate taxes and transaction costs?
What interest rate must the note carry?
What collateral and guarantees protect the seller?
Will a bank require the seller’s note to be subordinated?
How would a buyer default affect the seller’s finances?
How do the projected results compare with an all-cash sale?

These questions should be addressed while the parties still have flexibility to change the deal, not after the purchase agreement has been signed.

Determine whether an installment sale fits your exit plan

An installment sale of a business can provide meaningful tax deferral, increase deal flexibility and create an income stream for the seller. It can also expose the seller to buyer default, immediate depreciation-recapture tax and future rate changes.

The right structure depends on the assets being transferred, the seller’s basis, the buyer’s financial strength and the seller’s broader retirement and succession goals. A side-by-side comparison of an all-cash sale, installment arrangement and alternative structures can help you understand the trade-offs before negotiations are complete.

If you are preparing to sell your company, contact Landmark CPAs to evaluate the tax consequences, model the expected cash flow and identify planning opportunities before the transaction terms are finalized. Also, check out our succession planning e-book.