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Mainstreet Financial Education · Business Owners

Should I be an S-corp? Three questions before you file.

An S-corp election can lower self-employment tax, but only when the salary is set with tax, legal, and retirement consequences all in view.

Marcus weighs the election

Marcus runs a profitable consulting business as a sole proprietor. His accountant mentioned an S-corp could save on taxes. Before he files anything, three things need to line up.

Marcus nets about $160,000 a year. As a sole proprietor, all of that profit is subject to self-employment tax. He has heard that an S-corp lets him split income between salary and distributions, with only the salary subject to payroll tax. The appeal is obvious. The complications are less so.

Through the accounting lens

An S-corp can reduce self-employment tax by paying a reasonable salary and taking the rest as distributions. But reasonable is a standard the IRS enforces. Set the salary too low and the savings invite scrutiny. There are also new costs: payroll, a separate return, and tighter bookkeeping. The savings have to clear those costs to be worth it.

Through the legal lens

The S-corp is a tax election, not a liability shield by itself; the underlying entity is what protects you. Marcus needs to keep corporate formalities intact, keep business and personal finances separate, and make sure contracts and licenses move cleanly to the elected entity.

Through the planning lens

A lower salary cuts self-employment tax, but it also lowers the base for Social Security and for retirement plan contributions. A solo 401(k) or SEP contribution is tied to compensation. The tax saved today can quietly shrink retirement funding and future benefits. The salary figure is a planning decision, not only a tax one.

The takeaway

For many owners at Marcus's profit level, an S-corp makes sense, but only when the salary is set with all three consequences in view. The election is easy to file and easy to get wrong.

Teaching, never a sales pitch

The election is the easy part. The plan around it is the point.

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