A profit and loss statement, also called an income statement, summarizes revenue, costs, and expenses over a period and ends in one number: net profit or loss. Nearly 35 million U.S. small businesses produce one for lenders, investors, and tax season. The template part is easy. What most template pages skip is that 2025 and 2026 tax changes quietly rewired two of its lines, depreciation and reported income, and a P&L built on the old assumptions now answers the wrong questions.
A P&L runs revenue minus cost of goods sold to gross profit, minus operating expenses to operating income, then other items and taxes to net income. Build it monthly, reconcile it to bank records, and keep revenue recognition consistent. New for 2026: the One Big Beautiful Bill Act made 100 percent bonus depreciation permanent for property placed in service after January 19, 2025 and raised Section 179 expensing to $2.5 million, so your tax view and your book P&L can now diverge sharply in year one. And because 1099-K reporting reverted to $20,000 and 200 transactions while the 1099-NEC threshold rises to $2,000 in 2026, far less of your income arrives pre-reported to the IRS, which makes your own P&L the primary record of what you earned.
This article is general information for a U.S. audience, not tax, accounting, or legal advice. Thresholds and depreciation rules carry effective dates and exceptions. Confirm treatment with a CPA before filing.
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What is a profit and loss statement?
The layered structure is the whole trick. Each subtotal isolates one kind of performance: gross profit isolates production economics, operating income isolates the business model, net income adds financing and taxes.
Download the free Profit and Loss Statement Template or build a customized one with the AI Generator, then have your CPA confirm the categories match how you file.
What goes on each line?
A worked example makes the layers concrete. Here is a year for a small coffee roastery:
| Line | Amount | What it tells you |
|---|---|---|
| Revenue | $412,000 | All sales, net of refunds |
| Cost of goods sold | $173,000 | Beans, packaging, roasting labor |
| Gross profit | $239,000 | 58% gross margin: production works |
| Operating expenses | $186,000 | Rent, two salaries, marketing, software, insurance, depreciation |
| Operating income | $53,000 | The business model earns ~13 cents per revenue dollar |
| Interest expense | $6,000 | Equipment loan |
| Net income (pre-tax) | $47,000 | What the year actually produced |
Two formatting habits separate lender-ready P&Ls from spreadsheets: consistent periods side by side (this year versus last year, or month by month), and a one-line note for anything unusual, like a one-time equipment sale, so a reviewer does not misread a spike as recurring performance.
What changed for P&Ls in 2025 and 2026?
The depreciation change cuts both ways on a P&L. For your books, spreading an asset's cost over its useful life still gives the truest picture of monthly profitability. For your taxes, expensing it all in year one defers tax. Run them differently and say so: a book P&L with normal depreciation, and a tax computation with the bonus deduction.
The reporting change is the quieter trap. From 2026, a client who pays you $1,800 sends no 1099-NEC at all, and a marketplace that processes $15,000 of your sales sends no 1099-K. The income is still fully taxable; what disappeared is the third-party paper trail. A monthly P&L reconciled to bank deposits is the cheapest defense in any later mismatch question, and it is what lenders ask for anyway.
How does a P&L map to your tax return?
| Your P&L line | Schedule C line |
|---|---|
| Revenue / sales | Line 1, gross receipts |
| Cost of goods sold | Line 4 (computed in Part III) |
| Advertising and marketing | Line 8 |
| Vehicle expenses | Line 9 |
| Contract labor | Line 11 |
| Depreciation and Section 179 | Line 13 (via Form 4562) |
| Insurance | Line 15 |
| Rent or lease | Line 20 |
| Office, supplies, software | Lines 18, 22, 27a |
| Wages | Line 26 |
Partnerships and S corporations file on different forms (1065, 1120-S), but the discipline is identical: pick expense categories once, use them all year, and the return falls out of the books.
How do you prepare a P&L step by step?
Pick one accounting basis and keep it. Cash basis records income when received and expenses when paid; accrual records them when earned and incurred. Mixing the two inside one statement is the most common self-inflicted wound in DIY books, and it is the first thing a reviewer notices.
Software helps but does not decide anything: QuickBooks, Xero, FreshBooks, or a disciplined spreadsheet all produce a valid P&L if the categories are consistent and the bank reconciliation is real.
What are the most common P&L mistakes?
The 2026 rules add a seventh: assuming income without a 1099 is income without a record. With the higher thresholds, more of your revenue is invisible to third-party reporting, and the burden of proof shifts to your own books. The businesses that win audits and loan reviews are the ones whose P&L, bank statements, and invoices tell the same story.
A useful quarterly habit: compare your gross margin to the prior four quarters. Margin drift is the earliest honest signal of pricing problems, supplier creep, or theft, and the P&L is the only statement that shows it.
Frequently asked questions
What is the difference between a P&L and a cash flow statement?
How often should a small business prepare a P&L?
Can freelancers and sole proprietors use a P&L?
Is a P&L required by law?
Should my P&L use cash or accrual accounting?
How does the new bonus depreciation affect my P&L?
What is a good net profit margin?
Do I need an accountant to prepare a P&L?
Sources and references
- One Big Beautiful Bill Act (signed July 4, 2025): permanent 100 percent bonus depreciation for qualified property acquired and placed in service after January 19, 2025; Section 179 expensing limit raised to $2.5 million with a $4 million phaseout, as summarized by Arnold & Porter, BDO, and Grant Thornton tax alerts.
- OBBBA information-reporting provisions: Form 1099-K threshold restored to $20,000 and 200 transactions; Form 1099-NEC and 1099-MISC reporting thresholds raised from $600 to $2,000 beginning in 2026, indexed thereafter.
- U.S. Small Business Administration, Office of Advocacy, small business profile: approximately 35 million U.S. small businesses.
- IRS Schedule C (Form 1040) and Form 4562 instructions for the tax-line mapping shown above.
- U.S. Securities and Exchange Commission disclosure requirements for public-company income statements.
Disclaimer: This information is for general knowledge and does not constitute legal advice. For guidance on your specific situation, consult a qualified attorney licensed in your state.