S-Corp vs. LLC: Which One Actually Saves You Money?

3 min read

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Every business owner eventually hears that an S-Corp election can ‘save thousands in taxes.’ Sometimes that’s true. Often, it isn’t yet.

Let’s separate the legal entity from the tax election, because they get confused constantly. An LLC is a legal structure. Once you have one, you can choose how it’s taxed: as a sole proprietorship (if you’re the only owner), a partnership (multiple owners), or an S-Corporation. The S-Corp isn’t a different type of company, it’s a tax election on top of your existing LLC or corporation.

Why People Bring Up S-Corps

As a sole proprietor or single-member LLC, all of your business profit is subject to self-employment tax, currently 15.3 percent, in addition to income tax. That adds up fast as profit grows.

An S-Corp election changes that. You become an employee of your own business, pay yourself a “reasonable compensation” through payroll, and that salary is subject to self-employment tax. But profit distributed to you beyond that salary is not. That’s the entire mechanism behind the tax savings.

The Catch: Reasonable Compensation

The IRS doesn’t let you pay yourself $1 in salary and take the rest as distributions. Your salary has to reflect what someone would reasonably be paid to do your job, based on your role, your industry, and your location. This is one of the most commonly scrutinized areas of an S-Corp return, and it needs to be documented, not guessed at.

Where the Math Actually Works

S-Corp elections also come with real costs: running payroll, filing a separate business return (Form 1120-S), and often more bookkeeping complexity. Those costs are relatively fixed, somewhere in the range of a few thousand dollars a year for most small businesses.

That means the S-Corp election tends to make financial sense once your business profit clears a certain threshold, often cited around $40,000 to $60,000 in net profit, though the exact number depends on your specific numbers. Below that, the added cost and complexity can eat up most or all of the projected savings.

What This Looks Like in Practice

Imagine a consultant netting $80,000 a year as a sole proprietor. All $80,000 is subject to self-employment tax. As an S-Corp, they might pay themselves a reasonable salary of $45,000, taking the remaining $35,000 as a distribution not subject to self-employment tax. That difference can represent thousands of dollars in savings, but only after accounting for the added payroll and filing costs.

It’s Not a One-Time Decision

As profit grows or shrinks, the math changes. A business that made sense as an S-Corp at $100,000 in profit might not make sense anymore if profit drops to $30,000 the following year, and vice versa. This is worth revisiting annually, not deciding once and forgetting about it.

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