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The Owner's Deduction Stack, Ranked by Dollars

Business Owners6 min readUpdated August 2026

Key Takeaways

Owner tax advice usually arrives as an unranked list of forty deductions, which is how owners end up optimizing mileage logs while overpaying five figures structurally. Ranked by dollars, the list collapses to a short stack: how the entity is taxed, how much retirement space you build, whether the QBI deduction survives your income level, how state tax is routed, and then, distantly, everything else.

Work the stack top-down with your CPA and the big numbers move first. This piece pairs with our broader owner tax guide; here the focus is ranking and sequencing.

Tier One: Entity and Payroll Design

Once profits comfortably exceed a defensible salary for your role, an S-corp election typically saves payroll tax on the distribution slice, often $8,000-$20,000 a year at low-to-mid six-figure profits, net of payroll costs. The salary must be reasonable and documented; the election interacts with QBI and retirement math below, so model the system, not the line. C-corp status occasionally wins for owners planning a QSBS exit or retaining earnings, that is exit-strategy territory, not a payroll-tax play.

Tier Two: Retirement Space and QBI Protection

A solo 401(k) or, with employees, a safe-harbor 401(k) plus profit sharing, converts taxable profit into sheltered savings at your marginal rate; a cash-balance plan on top can push total shelter past $200,000 for older high-profit owners. These contributions also defend the 20% QBI deduction: service-business owners lose QBI as taxable income crosses its thresholds, and pre-tax contributions are the cleanest way to stay under, a double-dip where one dollar of contribution saves ordinary tax and revives QBI.

Try it: the free Net Worth Calculator takes a couple of minutes and shows you where you stand. Or explore For Business Owners at Attend.

Tier Three: the State and Health Layer

The pass-through entity tax election (Georgia offers one) routes state income tax through the business, keeping it fully deductible federally, worth thousands wherever the SALT cap binds; it is one form and routinely missed. Health arrangements: the self-employed health insurance deduction, HSA funding through the business, and, for the right facts, a Section 105 HRA covering a spouse-employee. Owners with kids can pay them fairly for real work, deductible to the business, low-or-zero tax to the child, Roth IRA seed money for them.

Sequencing the Whole Stack

Order matters: entity election changes the payroll that retirement plans key off; retirement contributions change the income that QBI and PTET calculations see; and all of it feeds the estimated-payment system that keeps the savings penalty-free. Run the stack as one model each fall, entity, salary, plan contributions, elections, rather than as isolated April discoveries. That coordinated model is precisely what our tax planning service builds with owners and their CPAs.

Frequently Asked Questions

My CPA files my return but never suggests this. Why?

Filing and planning are different services on different calendars. Most of the stack must be set up during the year, ask explicitly for a fall planning meeting, or add a planner who runs point with your CPA.

Is the S-corp election worth it below $80,000 of profit?

Usually not: payroll costs, filings, and a reasonable salary consume the savings. The election earns its keep when profit meaningfully exceeds your defensible salary.

Which single move helps most owners?

Statistically, retirement plan design: it is available at every entity type, scales with income, defends QBI, and converts tax into savings you keep rather than costs you avoid.

Tony Colunga
Tony Colunga · Founder, Attend Wealth

Tony leads Attend Wealth, a fee-based wealth management firm in Atlanta serving professionals, families, and business owners. Advisory services are held to a fiduciary standard. More about Attend

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This article is educational only and is not investment, tax, or legal advice. See our disclosures.