Taxable Income: Pay Less, Save More and Grow Faster

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1. Gross Revenue and How It Affects Your Taxable Income

Gross revenue is the total income your business generates before any deductions. However, the IRS does not tax the full amount of your revenue. Net taxable revenue is calculated by subtracting certain allowable deductions from gross revenue.

Example:

Let’s say Cold Marinas, a business, made $500,000 in sales. However, $20,000 came from returns and discounts. Net sales, which is where the return actually starts, would be $500,000 – $20,000 = $480,000. Gross revenue is still $500,000; the $480,000 is what is left after returns and discounts come off.

That’s the starting point. Now, let’s see how deductions can help reduce your taxable income.

2. Key Business Deductions That Lower Taxable Income

There are two primary deductions that directly affect your taxable income:

• Cost of Goods Sold (COGS):
  This includes the direct costs of producing the goods or services you sell. For a retailer, this may include the cost of inventory, raw materials, labor, and shipping.
• Example:
• Cold Marinas spent $150,000 on raw materials and labor to produce its products.
  Gross Profit After COGS:
  Net Sales: $480,000
  COGS: $150,000
  Gross Profit: $330,000
• Operating Expenses:
  Operating expenses cover day-to-day business costs such as rent, utilities, salaries, marketing, and insurance.
• Example:
• Cold Marinas had operating expenses of $200,000.
  Taxable Income After All Deductions:
  Net Sales: $480,000
  COGS: $150,000
  Operating Expenses: $200,000
  Final Taxable Income: $130,000

Those two lines do the bulk of the work on the business return. What follows sits on top of them or, in two cases, somewhere else entirely.

3. Tax-Saving Strategies for 2026: Reduce Your Taxable Income

The next two reduce the owner’s taxable income rather than the business’s, which is the distinction most projections get wrong:

• Contribute to Retirement Accounts:
  Contributions to retirement accounts such as a 401(k) or SEP-IRA can lower your taxable earnings. For example, self-employed individuals can contribute up to $72,000 to a SEP-IRA in 2026, though the contribution is also capped at 25% of compensation, which is the limit that actually binds for most owners.
• Example:
• For a sole proprietor, a $10,000 SEP-IRA contribution reduces the owner’s adjusted gross income by $10,000. The contribution also shrinks the qualified business income used for the section 199A deduction, so with a 20% QBI deduction the owner’s taxable income falls by about $8,000. It does not change the $130,000 figure above, which is the business result. The deduction lands on the owner’s return, not the company’s. In an S-Corp, the company deducts the contribution it makes for an owner-employee on Form 1120-S, so the $130,000 itself would drop.
• Pass-Through Deduction for Business Owners:
  If you run a pass-through business (LLC, S-Corp), you could deduct up to 20% of qualified business income. Above the 2026 threshold of $201,750 single or $403,500 joint the deduction starts to be limited, and for a specified service business it phases out over the next $75,000 single or $150,000 joint, reaching zero at $276,750 single or $553,500 joint.
• Example:
• On the $130,000 of qualified business income above, the deduction would be up to $26,000, again at the owner level, and subject to the thresholds and the wage and property limits once income passes them.

4. Advanced Strategies to Lower Taxable Income in 2026

Two more levers, both of which depend on facts you can document:

• Accelerate Expenses and Defer Income:
  Timing works, within limits that depend on your method. A cash-basis business recognizes income when it is available to be drawn, so sitting on a check that arrived in December does not move it to January. An accrual-basis business recognizes income when it is earned, so the invoice date is irrelevant. What does work is genuinely delaying the work or the delivery, and paying deductible costs before year end.
• Example:
• If Cold Marinas is cash-basis and a customer would otherwise pay in late December, agreeing terms that put the payment in January moves the income. Holding an invoice for work already paid for does not.
• Take Advantage of Section 179 for Equipment Purchases:
  Section 179 allows businesses to write off the full cost of qualifying equipment up to $2,560,000 in 2026, the One Big Beautiful Bill Act figure indexed for inflation, with the deduction phasing out once purchases pass $4,090,000. This deduction can provide significant savings for businesses investing in equipment.
• Example:
• Cold Marinas buys $100,000 in new equipment, allowing them to deduct the full amount, lowering taxable income.

5. What the Books Have to Support

Every deduction above needs a record behind it before it needs a number. Bookkeeping is where that happens, and it is the part that cannot be reconstructed in April.

What Good Records Actually Buy You

• The deduction you would otherwise forget: A card charge categorized when it happens is claimable; the same charge reconstructed in April from a statement line usually is not.
• A return that can be prepared from the books: When the trial balance ties, the preparer works from it directly instead of sending a list of questions in March.
• The substantiation, if it is ever asked for: The receipt, the business purpose and the date, attached to the entry rather than kept in a drawer.

None of the deductions above survives an examination without the underlying record, which is why the bookkeeping has to be current rather than assembled after the fact.

6. Key Tax Changes in 2026 That SMEs Need to Know

Four things worth checking against last year’s assumptions:

• Corporate Tax Rate: The corporate tax rate remains at 21%.
• Section 179 Deductions: You can write off up to $2,560,000 in equipment purchases for 2026, phasing out once purchases exceed $4,090,000. Both figures are indexed each year.
• Bonus Depreciation: The bonus depreciation rate is back to 100% for property acquired after January 19, 2025, after the One Big Beautiful Bill Act repealed the TCJA phase-down.
• A new floor under §199A: for tax years beginning after December 31, 2025, the OBBBA adds §199A(i), which sets the deduction at the greater of the figure you would otherwise compute or $400. It is a floor rather than an extra deduction, and it reaches you only if your aggregate QBI across every qualified trade or business in which you materially participate, in the §469(h) sense, is at least $1,000. A silent stake in someone else's business does not count toward the $1,000 and does not get the $400.

Each of the four changes the arithmetic on a return that is otherwise unchanged from last year, so last year's projection is the thing to re-run first.

What to Take From This

The sequence matters more than any single deduction: sales, less returns, less cost of goods sold, less operating expenses gives the business figure. Retirement contributions and the §199A deduction then apply at the owner level, against a different number. Running them together is the most common way a projection comes out wrong.

We work through that sequence with clients as part of tax planning.

Key Takeaways:

• Deduct COGS and operating expenses to reduce net taxable revenue.
• Remember that retirement contributions and the §199A deduction apply at the owner level, not the business.
• Use advanced tax strategies like accelerating expenses and purchasing equipment.
• Keep accurate records to maximize deductions and simplify tax filing.

Send us last year’s return and we will show you which of these you are already taking.