S Corp Reasonable Compensation: The IRS Audit Trigger You Cannot Ignore

The S corporation tax advantage is straightforward. A shareholder-employee pays self-employment taxes only on their wages, not on distributions. For a profitable owner who would otherwise pay 15.3% SE tax on their full profit, the S corp election can save several thousand dollars per year.

The trade-off is that the IRS requires a reasonable salary, and they actively audit S corps that pay artificially low wages.

What the IRS looks for

When auditors examine S corp compensation, they consider a multi-factor analysis:

• Duties and responsibilities of the shareholder-employee
• Hours worked per week
• Training and experience required
• Comparable pay for the same role in the same industry
• Economic condition of the business
• Compensation paid to non-shareholder employees in similar roles

The risk if you are wrong

If the IRS determines that compensation was unreasonably low, they can reclassify distributions as wages. This means:

• Back payroll taxes on the reclassified amount (Social Security 12.4% plus Medicare 2.9%)
• Interest on the underpayment
• Penalties (failure-to-deposit, accuracy-related, sometimes negligence)
• State payroll tax exposure

A "saved" $5,000 in SE tax can become $15,000 owed once the IRS is done.

The most common audit trigger we see is a shareholder taking a $30,000 salary against a $200,000 net profit. Even if the work justified it, the optics are terrible.

How to set defensible compensation

1. Run a comparable pay analysis using BLS data, RC Reports, Salary.com, or a market study at the start of every year.
2. Document the analysis in writing with the date, sources, and calculation. Keep it in the corporate records.
3. Tie compensation to actual hours and duties. A part-time owner who only handles strategy may justify a lower salary than a full-time operator.
4. Pay the salary through actual W-2 payroll with proper withholding. Do not back-date or annual lump-sum.
5. Review annually. If revenue and duties grow, salary should grow.

A safer rule of thumb

While not a regulation, many practitioners use the principle that salary should be the larger of (a) market comparable for the role, or (b) approximately 30% to 50% of profit before owner compensation. This is not a safe harbor. It is a sanity check.

Kreyol summary

IRS odyite S corp ki peye salè twò ba. Si yo deside salè a pa rezonab, yo ka klase distribisyon yo kòm salè epi mande enpò payroll an reta plis pénalite. Toujou dokimante analiz salè ou chak ane ak done konparezon.

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