What Is a Start-Up Expense and Can You Deduct It?

The start-up expense deduction lets you write off up to $5,000 of the costs you paid to investigate, create, or prepare to launch a new business in the year that business begins active operations, and amortize the rest over 180 months. A separate $5,000 deduction covers organizational costs if you formed a corporation or partnership. Both $5,000 amounts phase out dollar for dollar once spending in that category tops $50,000, and both disappear entirely at $55,000. Section 195 of the Internal Revenue Code sets the rules for start-up costs; Sections 248 and 709 handle organizational costs.¹

What Qualifies as a Start-Up Expense

Section 195 defines a start-up expenditure as a cost tied to one of three activities: investigating whether to create or buy an active business, actually creating one, or carrying on a profit-seeking activity before the business officially begins in anticipation of it becoming active. The cost also has to be the kind of thing you could have deducted as an ordinary business expense if the business were already running.¹

In practice, that covers a lot: market studies analyzing demand for your product, travel to meet prospective suppliers or distributors, pre-opening advertising, wages you paid to employees you were training before the doors opened, and professional fees for consultants advising on the launch.

There is one boundary that catches founders repeatedly. Costs of a general search, deciding whether to enter business at all and which one to enter, count as investigatory start-up expenses under Section 195. But once you settle on a specific business to acquire, every cost tied to closing that particular deal becomes a capital cost under Section 263 and falls outside Section 195. The IRS draws the line at the point you decide which business to buy, not at the closing table.²

Section 195 also does not reach expenses already deductible under other code sections, such as interest under Section 163, taxes under Section 164, or research and experimental costs under Section 174. Those follow their own rules regardless of whether the business has opened.¹

Costs That Don’t Qualify

Several kinds of pre-opening spending look like start-up expenses but follow different recovery rules. Classifying them wrong can cost you the deduction and invite an audit adjustment.

Capital assets such as equipment, machinery, vehicles, and real estate are recovered through depreciation over their useful lives, not through Section 195 amortization.
Inventory purchased for resale runs through cost of goods sold when the items are sold. Businesses that produce or resell property may also have to capitalize certain indirect costs under the uniform capitalization rules of Section 263A.³
Fees for issuing or selling stock or other securities, including underwriter commissions and registration fees, are capitalized separately and never qualify for Section 195 treatment.
Costs tied to acquiring a specific identified business are capital expenditures under Section 263.²

How the $5,000 Deduction and 180-Month Amortization Work

In the tax year your business begins active operations, you deduct up to $5,000 of qualifying start-up costs right away. Anything above that gets amortized ratably over 180 months, starting in the month the business begins.

The $5,000 immediate deduction phases out dollar for dollar once your total start-up costs exceed $50,000. Say you spent $53,000 getting your business off the ground. You are $3,000 over the threshold, so your first-year deduction drops from $5,000 to $2,000. The remaining $51,000 amortizes over 180 months, which works out to roughly $283 a month. If your costs reach $55,000, the immediate deduction is gone and the full amount goes into the 180-month schedule.¹

You report the amortization on Part VI of Form 4562, Depreciation and Amortization, and carry the deduction to the appropriate return: Schedule C for sole proprietors, Form 1065 for partnerships, or Form 1120 for corporations.⁴

Organizational Costs Are a Separate Bucket

If you formed a corporation or partnership, the costs of creating that legal entity are treated separately from Section 195 start-up expenses and get their own $5,000 immediate deduction plus 180-month amortization, with the same $50,000 phase-out. Section 248 governs corporations; Section 709 governs partnerships.⁵

Qualifying organizational costs include legal fees for drafting articles of incorporation or a partnership agreement, accounting fees for setting up the entity’s initial structure, state filing fees, and costs for temporary directors or organizational meetings. The expense has to be incurred before the end of the entity’s first tax year in operation, chargeable to a capital account, and of the kind that would be amortizable over the entity’s life if it had one.⁶

Sole proprietors and single-member LLCs treated as disregarded entities have no separate legal entity to organize, so nothing to deduct under Sections 248 or 709. Section 195 still applies to their start-up costs.

Watch Out for Syndication Costs

If you formed a partnership and paid to market or sell partnership interests, those syndication costs are permanently capitalized. They cannot be deducted or amortized under Section 709, and they do not become deductible even if the partnership eventually liquidates. Brokerage commissions, printing costs for offering materials, and legal fees for securities registration all sit in this category.⁷

When Does the Business “Begin”?

The start date controls everything: when the 180-month clock starts, when you claim the first-year deduction, and which costs qualify as pre-opening versus ordinary operating expenses. The IRS looks at facts and circumstances, but the core test is whether the business is actually performing the activities that earn its income. A restaurant that has hired staff, stocked the kitchen, and is serving food has begun. One that has signed a lease and is still renovating has not. The business must be conducting active and substantial management and operational functions, not just holding assets.⁸

For an acquired business, the start date is simply the date you take it over.¹

Every dollar you spent before the start date is a potential Section 195 expense. Every dollar after is an ordinary business expense fully deductible in the year you pay it. Misjudging the date by even a month shifts costs into the wrong bucket.

Expanding an Existing Business Is Treated Differently

If you already operate a business and spend money investigating whether to expand into a new line or location, those costs may be fully deductible as ordinary business expenses under Section 162, with no $5,000 cap and no amortization. Section 195 was enacted in part to let new entrepreneurs recover investigation costs that established businesses could already deduct, and the statute does not override the more favorable treatment existing operations already had.²

The expansion has to be in the same field or closely related. A bakery owner researching a second location is expanding. A bakery owner researching a car wash is starting a new business and back inside Section 195.

You Don’t Have to File Anything Special to Elect the Deduction

Under Treasury Regulation 1.195-1, you are deemed to have elected to deduct and amortize your start-up expenses in the year the business begins. The same deemed-election rule applies to corporate organizational costs under Regulation 1.248-1 and to partnership organizational costs under Section 709.⁹

If you would rather capitalize these costs and not deduct them, you have to affirmatively elect that treatment on a timely filed return, including extensions, for the year the business starts. That election is irrevocable and covers all start-up expenses for that business. Almost no one opts out, because the costs then sit unrecovered until the business is sold or liquidated.¹⁰

If the Business Never Opens or Closes Early

Section 195 only triggers its deduction and amortization “for the taxable year in which the active trade or business begins.” If the business never opens, there is no start date to anchor the election, and the money stays capitalized with no amortization schedule to recover it. Depending on the facts, you may be able to claim a loss under Section 165 for amounts that were not compensated by insurance or other recovery, but that determination gets fact-specific and is worth running by a tax professional before you file.¹

If the business does open and you later completely dispose of it before the 180-month amortization period finishes, the statute lets you deduct the remaining unamortized balance as a loss under Section 165 in the year you close. Suppose you opened in January, amortized for 30 months, then shut down. The remaining 150 months of unamortized cost become deductible in the closing year. The key word is “completely.” Selling one segment while keeping the rest running does not unlock the balance. And unamortized syndication costs stay permanently capitalized even at liquidation.⁷

1
Office of the Law Revision Counsel. 26 USC 195 – Start-Up Expenditures
2
IRS.gov. Revenue Ruling 99-23 – Start-Up Expenditures
3
eCFR. 26 CFR 1.263A-1 – Uniform Capitalization of Costs
4
IRS.gov. Instructions for Form 4562 (2025)
5
Office of the Law Revision Counsel. 26 USC 248 – Organizational Expenditures
6
Office of the Law Revision Counsel. 26 USC 709 – Treatment of Organization and Syndication Fees
7
eCFR. 26 CFR 1.709-1 – Treatment of Organization and Syndication Costs
8
eCFR. 26 CFR 1.355-3 – Active Conduct of a Trade or Business
9
GovInfo. 26 CFR 1.195-1 – Election to Amortize Start-Up Expenditures
10
eCFR. 26 CFR 1.248-1 – Election to Amortize Organizational Expenditures