S-Corp Election Guide for Business Owners

Kimberly Green | 2026-03-07

How S-Corp Elections Work: A Plain-English Guide for Business Owners Here's the thing nobody tells you: an S-corp election isn't a business structure. It's a tax classification. You can't go to the Secretary of State and file for an "S-corp." What you can do is elect S-corp tax treatment on an existing LLC or C-corporation. That distinction matters, because it changes how the IRS taxes your income—not your legal liability. If you're self-employed right now, you probably pay self-employment tax on every dollar of profit. It's brutal. For 2024, that's 15.3% (12.4% Social Security, 2.9% Medicare) on net profit after expenses. You pay half, your "business" pays the other half. When you elect S-corp status, you split your income into two buckets: a W-2 salary (where you pay employment taxes) and distributions (where you don't). That's the entire game. The Math: What S-Corp Tax Benefits Actually Look Like Let's use real numbers. Assuming current 2024 tax rates, here's how it works at different income levels: At $100,000 net profit: As a sole proprietor, you pay self-employment tax on the full amount. That's roughly $14,130 in SE tax. With an S-corp election and a $70,000 W-2 salary, you'd pay payroll taxes on the $70K (roughly $10,710 combined), with zero SE tax on the remaining $30,000 distribution. Rough savings: $3,400 annually. At $300,000 net profit: The story changes. You pay yourself a reasonable W-2 salary of $200,000 (payroll taxes roughly $30,600). The remaining $100,000 as distributions carries zero self-employment tax. Compare that to sole proprietor treatment: you'd owe roughly $44,460 in SE tax on the full $300K. S-corp saves you about $13,860 annually. Material. The pattern is simple: more net profit equals bigger savings. Below $100,000, the compliance costs usually eat the benefit. At $300,000 and above, it almost always pencils out. Most solopreneurs see real savings starting around $150,000-$200,000 in net profit. The Reasonable Salary Trap (And How the IRS Audits It) Here's where most people get it wrong. The IRS has one rule that kills aggressive S-corp elections: you have to pay "reasonable compensation" for the work you actually do. It's vague on purpose. The IRS audits S-corps constantly on this point. If you're a consultant billing clients $100/hour and your net profit is $200K, paying yourself a $40K salary looks suspicious. The IRS calls it a sham. They'll reclassify those distributions back to wages, hit you with payroll taxes, penalties, and interest. Plus they'll add a 20% accuracy-related penalty. What's "reasonable"?...