S-corp tax savings come from one move: paying yourself part of your profit as a salary and the rest as distributions, so the distribution part avoids the 15.3% self-employment tax. That is the whole engine. Everything else is detail about how far you can push it and what it costs to run.
This is the mechanics piece. If you are still deciding between structures, start with our comparison of S-corp vs LLC taxes. If you have decided an S-corp is likely right and want to know how the savings actually calculate, keep reading.
Where the savings come from
A default LLC or sole proprietor pays self-employment tax on every dollar of net profit. An S-corp splits that profit in two. The salary you run through payroll is subject to Social Security and Medicare tax. The distributions you take on top of that salary are not.
So the savings are not a rate cut. They are a shrinking of the base that payroll tax applies to. Move $1 from the taxed salary bucket to the untaxed distribution bucket and you save about 15.3 cents, until the Social Security portion caps out at the annual wage base ($176,100 for 2025, per the SSA). Above that cap only the 2.9% Medicare portion is in play, so the per-dollar savings shrink.
The reasonable salary is the lever, and the limit
Your salary sets how much profit is exposed to payroll tax, so a lower salary means more savings. That is exactly why the IRS requires the salary to be reasonable: what a comparable role would pay at arm’s length, based on your duties, hours, experience, and industry norms. Source: IRS, S Corporation Compensation and Medical Insurance Issues.
There is no magic percentage. The old “60/40 salary-to-distribution” rule of thumb is not a rule and not a safe harbor. The defensible number is the one you can document against real comparables. Set it too low and the IRS can reclassify distributions as wages, adding back payroll tax plus penalties and interest. The savings only hold if the salary holds up.
How to estimate your S-corp savings
You can size the opportunity in four steps before you ever file.
- Start with your expected annual net profit.
- Set a reasonable salary for your role, documented against market data.
- The profit above that salary is your distribution amount.
- Multiply the distribution amount by roughly 15.3% (less above the Social Security wage base). That is your gross annual savings.
Then subtract the cost of being an S-corp: payroll service fees, the extra business tax return, and any state S-corp or franchise tax. What remains is your real, recurring net benefit.
A worked example
Say your business nets $160,000 and a reasonable salary for your role is $75,000.
- Distribution amount: $85,000
- Approximate self-employment tax avoided on that amount: about $13,000
- Less payroll, extra return, and state costs: roughly $2,000 to $4,000
- Net annual savings: roughly $9,000 to $11,000, repeating each year
Change the salary, the profit, or the state and the number moves. The structure of the calculation does not.
What eats into the savings
The gross number is rarely the number you keep. Three things reduce it:
| Cost | Typical impact |
|---|---|
| Payroll processing | A few hundred dollars a year, plus quarterly filings |
| Separate business return (Form 1120-S) | Higher prep cost than a Schedule C |
| State S-corp / franchise tax | Varies widely; some states charge a percentage or a flat minimum |
| Reasonable-comp risk | Zero if documented; large if the salary is too low |
This is why a $150,000 business often saves meaningfully while a $60,000 business may not save enough to justify the overhead. The savings have to clear the costs by a comfortable margin.
Want the real number for your business instead of a rule of thumb? Exact models your S-corp savings against your actual profit and state, then runs the payroll and filings if it pays off.
Do S-corp savings interact with the QBI deduction?
Yes, and it is a real trade-off. Paying yourself a salary lowers your business’s qualified business income, which can lower your 20% QBI deduction under Section 199A. Source: IRS, Section 199A. For higher earners near the QBI phase-out thresholds, a lower salary saves payroll tax but can cost QBI, so the optimal salary is a balance, not a floor. This is one place where guessing is expensive.
Frequently asked questions
How much does an S-corp save per year?
Roughly 15.3% of the profit you can move from salary into distributions, minus the cost of payroll, the extra return, and state taxes. For many owners with steady six-figure profit, the net benefit lands in the several-thousand to low-five-figures range annually and repeats each year.
Can I pay myself only distributions and skip salary?
No. An S-corp owner who works in the business must take a reasonable salary before distributions. Zeroing out salary to avoid payroll tax is the single most common reason the IRS reclassifies S-corp pay and assesses back taxes.
Is there a profit level where an S-corp stops being worth it going up?
The per-dollar savings shrink once your salary passes the Social Security wage base, because only the 2.9% Medicare portion applies above it. The election still helps, but the marginal benefit is smaller, and at high incomes the QBI interaction matters more than the payroll-tax split.
The salary you set drives both your tax savings and your audit risk. Exact’s CPAs set a defensible number, document it, and handle the payroll and 1120-S so the savings actually stick. Talk to Exact about your S-corp strategy.
About the author. This article was written by Dan Spada, CPA, at Exact Partners, a national outsourced accounting, fractional CFO, and business tax firm named No. 191 on the 2025 Inc. 5000 list of America’s fastest-growing private companies. Dan and the Exact team advise founders and operators on entity structure, reasonable compensation, and tax strategy. Learn more about Dan Spada and the Exact Partners team.
This article is general information, not tax advice for your specific situation. Tax rules change and vary by state. Confirm any election with a qualified tax advisor.
