If you've been working as an independent contractor for a while and your income is growing, you may have heard the phrase "S-Corp election" come up in conversations about taxes. It's one of the most powerful and most misunderstood tax strategies available to self-employed professionals.
Here's what it means, when it makes sense, and when it probably doesn't.
What Is an S-Corp Election?
An S-Corporation is a tax status rather than a separate business entity you create from scratch. It's a choice you make to have the IRS treat your existing business (usually an LLC) as an S-Corporation for federal tax purposes.
Once you make the S-Corp election, the way your business income is taxed changes significantly. Instead of paying self-employment tax on all of your net profit, you split your income into two categories:
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A reasonable salary that you pay yourself as an employee of your own company (subject to payroll taxes)
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Distributions: the remaining profit, which flows to you as an owner and isn't subject to self-employment tax
The self-employment tax savings on the distribution portion is where the real benefit comes from.
The Tax Math: A Simple Example
Self-employment tax is 15.3% on your net earnings. For a 1099 dental professional netting $100,000 per year, that's $15,300 in self-employment tax alone, before any income tax.
With an S-Corp election, suppose you pay yourself a reasonable salary of $60,000. You pay payroll taxes (the equivalent of self-employment tax, split between you and your business) on that $60,000. The remaining $40,000 passes through as a distribution, with no self-employment tax owed.
| Sole Proprietor / Single-Member LLC | LLC with S-Corp Election |
|---|---|
| Net profit: $100,000 | Net profit: $100,000 |
| Self-employment / payroll tax base: $100,000 | Self-employment / payroll tax base: $60,000 (salary only) |
| Self-employment / payroll tax (15.3%): $15,300 | Self-employment / payroll tax (15.3%): $9,180 |
| Estimated annual tax savings: $0 | Estimated annual tax savings: ~$6,120 |
Note: this is a simplified illustration. Actual savings depend on your specific salary, income level, state taxes, and the costs of running payroll, which are real and must be factored in.
What Is a "Reasonable Salary"?
The IRS requires S-Corp owners who perform services for their business to pay themselves a reasonable salary, meaning compensation comparable to what you'd pay someone else to do the same work. For dental hygienists and other dental professionals, reasonable salary ranges are relatively well-established and can be benchmarked against market data.
The IRS pays close attention to S-Corps where owners take very low salaries to minimize payroll taxes. Setting your salary too low is an audit risk. Your tax professional can help you arrive at a defensible number.
When Does the S-Corp Election Actually Make Sense?
The savings are real, but so are the costs and administrative requirements. The S-Corp election isn't worth pursuing for everyone.
It likely makes sense if:
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Your net self-employment income is consistently above $80,000 to $100,000 per year. Below that level, the tax savings may not outweigh the added costs and complexity.
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You're already operating as an LLC. Converting requires that structure to already be in place.
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You're comfortable taking on payroll responsibilities, including running payroll for yourself, filing quarterly payroll tax returns (Form 941), and paying your salary on a regular schedule.
It probably doesn't make sense if:
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Your 1099 income is under $80,000 per year. The tax savings won't offset the cost of payroll software, a CPA, and additional filings.
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Your income is inconsistent. Payroll tax obligations continue even in slow months, which can create cash flow issues.
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You're not yet set up as an LLC. Get that foundation in place first.
How to Make the S-Corp Election
The election is made by filing IRS Form 2553 (Election by a Small Business Corporation). There are specific timing rules: in general, you must file within two months and 15 days of the start of the tax year you want the election to take effect, or by March 15 for it to apply to the current calendar year.
Once elected, you'll also need to:
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Set up payroll for your own salary (most dental professionals use a payroll service like Gusto or QuickBooks Payroll)
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File quarterly payroll tax returns (Form 941)
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File an S-Corp tax return (Form 1120-S) each year in addition to your personal return
These requirements are manageable, but they do add cost, typically $1,000 to $3,000 or more per year in additional accounting fees, depending on your CPA and payroll setup. Budget those costs into your analysis before deciding.
Talk to a Specialist Before You Decide
The S-Corp election is one of the most impactful tax decisions a self-employed dental professional can make, and one of the easiest to get wrong without expert guidance. The IRS rules are specific, the timing matters, and the "reasonable salary" question requires careful thought.
If you're earning strong 1099 income and want to explore whether an S-Corp election could meaningfully reduce your tax bill, consult a CPA who specializes in self-employed and independent contractor tax situations. The right advisor will run the numbers for your specific income level and state, and give you a clear answer on whether the savings justify the cost.
This article is for informational purposes only and does not constitute tax, legal, or financial advice. Tax rules are subject to change and vary by individual circumstances. Please consult a qualified tax professional before making any decisions about your business structure.
