The S-corporation election is the most reliably valuable tax move available to a profitable owner-led business, and it rests on a single mechanic: profit distributed to a shareholder is not subject to payroll tax, while wages are.
That creates an obvious incentive to pay a small salary and take a large distribution. The IRS is entirely aware of it, and the position is examined more often than almost anything else on a small business return.
The rule
S-corporation shareholders who perform services for the corporation are employees, and must be paid reasonable compensation for those services before non-wage distributions are made (IRS).
The authority is not new. Revenue Ruling 74-44 held that where a corporation pays a shareholder-employee distributions in lieu of reasonable salary, the IRS may recharacterize those amounts as wages subject to employment taxes.
The mechanism matters. The IRS does not need to disallow the distribution — it simply reclassifies enough of it as wages, then assesses the payroll tax, penalties, and interest that should have been paid.
What “reasonable” means
There is no statutory formula, no safe-harbor percentage, and no bright line. It is a facts-and-circumstances test.
The IRS fact sheet on wage compensation for S corporation officers lists the factors that get weighed:
- Training and experience
- Duties and responsibilities
- Time and effort devoted to the business
- Dividend history
- Payments to non-shareholder employees
- Timing and manner of paying bonuses to key people
- What comparable businesses pay for similar services
- Compensation agreements
- The use of a formula to determine compensation
Read that list as a description of the person, not the profit. The question is what it would cost to hire someone else to do what you do — not what percentage of profit sounds defensible.
The case owners should know
David E. Watson, P.C. v. United States is the decision most often cited, and it is instructive because the taxpayer was not egregious.
Watson was a CPA and the sole shareholder of a professional corporation that held an interest in an accounting firm. He paid himself a salary of $24,000 per year while taking roughly $200,000 in distributions. The IRS recharacterized a substantial portion as wages, and the Eighth Circuit affirmed, accepting an expert’s determination that reasonable compensation was approximately $91,044.
Two things stand out. First, the government used an outside valuation expert with industry wage data — the analysis was evidentiary, not a rule of thumb. Second, the taxpayer was an experienced accountant. Sophistication did not help.
Methods that hold up
Three approaches are used in practice, in rough order of defensibility.
Market comparison. Establish what the role pays in your industry and geography. BLS Occupational Employment and Wage Statistics provides free wage data by occupation and metropolitan area, and it is the same category of evidence the government uses.
Cost approach. Break your time into its component roles — sales, operations, technical delivery, administration — and price each at market. An owner spending 40% of their time selling and 60% delivering technical work can build a blended rate from two defensible wage figures. This approach handles the common case of an owner doing four jobs.
Independent investor test. Would an outside investor be satisfied with the return remaining after your compensation? Used more in C-corporation disputes, but it appears in S-corp analysis.
What does not hold up: a flat percentage of profit, “the 60/40 rule,” or a number chosen because it matched last year. None of these are grounded in anything, and the percentage heuristics circulating online have no authority behind them.
Documentation is the deliverable
The number matters less than the file supporting it. A defensible position includes:
- A written compensation analysis, dated, with the data relied on
- Corporate minutes approving the compensation
- Payroll records showing it was actually paid through payroll — not a year-end journal entry
- Annual review, with the analysis updated as the business changes
That last point catches people. A salary set at formation and never revisited becomes indefensible as the business grows. Reasonable compensation for a $400,000-profit business is not what it was when profit was $90,000.
The other half of the calculation
Reasonable compensation is a floor, not a target — but the salary also has effects beyond payroll tax that argue against setting it at the bare minimum.
Social Security benefits are computed from wages, so a persistently low salary reduces your eventual benefit. Retirement plan contributions are limited by compensation: employer contributions to a solo 401(k) or SEP are a percentage of W-2 wages, so a low salary caps how much you can shelter. And qualified business income deduction planning under §199A interacts with W-2 wages in ways that can make a higher salary advantageous.
The optimum is rarely the legal minimum. Our S-corp calculator models the payroll tax savings alongside retirement contributions so you can see both effects at once.
When the election stops making sense
The S-corp election costs something: payroll administration, a separate 1120-S return, and additional bookkeeping. At low profit levels those costs exceed the savings — which is why the election is usually not worth making until profit meaningfully exceeds a reasonable salary for your role.
If your entire profit is roughly what you would have to pay someone to do your job, there is nothing left to distribute, and the election buys you paperwork.