S-Corp vs. LLC vs. Sole Prop: The Honest Tax Math for Entrepreneurs | S-Corp vs LLC, sole proprietorship taxes, self-employment tax | Tax Strategy insight from Fat Wallet SalesS-Corp vs. LLC vs. Sole Prop: The Honest Tax Math for Entrepreneurs | S-Corp vs LLC, sole proprietorship taxes, self-employment tax | Tax Strategy insight from Fat Wallet Sales
🧮Tax Strategy3 min read▶ Video

S-Corp vs. LLC vs. Sole Prop: The Honest Tax Math for Entrepreneurs

Cut through the noise on S-Corp, LLC, and Sole Prop tax implications. Get the real numbers, understand self-employment taxes, and make an informed decision fo

October 12, 2026·Fat Wallet Sales · The Playbook
TL;DR

Choosing between S-Corp, LLC, and Sole Prop is a tax-driven decision for profitable entrepreneurs. An S-Corp election can save you significantly on self-employment taxes by allowing a 'reasonable salary' plus distributions, while an LLC pro

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S-Corp vs. LLC vs. Sole Prop: The Honest Tax Math for Entrepreneurs

Forget the guru hype. When you're running your own show, whether you're a freelancer, a consultant, or a startup founder, understanding the S-Corp vs. LLC vs. Sole Prop tax math isn't optional, it's foundational. This isn't just about saving a few bucks; it's about structuring your business to keep more of what you earn, legally. We're going to break down the cold, hard numbers so you can stop guessing and start strategizing. Education, not financial advice, always consult a qualified tax professional for your specific situation.

Most new entrepreneurs start as a sole proprietorship, often by default. Then comes the advice, sometimes good, sometimes bad, about forming an LLC or electing S-Corp status. Each has its place, but the decision hinges almost entirely on your income level and how much you're willing to handle in administrative overhead. Let's peel back the layers.

The Sole Proprietor: Simple, But Costly At Scale

Operating as a sole proprietor is dead simple. You start selling, you report the income on Schedule C of your personal 1040, and you're done. No separate entity, no annual state filings beyond your personal return, usually. This simplicity is a trap for growing businesses.

The biggest hit? Self-employment tax. As a sole prop, you pay both the employer and employee portions of Social Security and Medicare taxes, totaling 15.3% on your net earnings up to the Social Security wage base, then 2.9% for Medicare on everything above that. This is on top of your ordinary income tax. There's no escaping it. If your business clears $60,000 in profit, you're paying around $9,180 in self-employment taxes alone, before federal and state income tax even enters the picture. That's a significant chunk of change that could be reinvested or, you know, used to pay your bills.

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Sole proprietorship often means less paperwork, but potentially higher tax liabilities.
Sole proprietorship often means less paperwork, but potentially higher tax liabilities.

Self-Employment Tax Audit Checklist

The LLC: Legal Protection with Tax Flexibility

A Limited Liability Company (LLC) is primarily a legal structure. It separates your personal assets from your business liabilities. If your business gets sued, your house, car, and personal bank accounts are generally protected. This alone is a massive win over a sole proprietorship. Tax-wise, an LLC is a pass-through entity by default. A single-member LLC is taxed like a sole proprietorship, and a multi-member LLC is taxed like a partnership. This means the self-employment tax issue persists.

The magic of an LLC is its flexibility. You can elect to have your LLC taxed as an S-Corporation. This is where the real tax savings potential begins to materialize for many profitable small businesses. It gives you the legal protection of an LLC with the tax benefits of an S-Corp, without the S-Corp's more rigid corporate structure.

An LLC provides legal protection, but its tax treatment can vary by election.
An LLC provides legal protection, but its tax treatment can vary by election.

The S-Corp Election: The Self-Employment Tax Shield

Here's where the rubber meets the road. An S-Corporation (or an LLC electing S-Corp status) allows you to pay yourself a

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