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LLC vs. S-Corp: Which One Actually Saves You More in Taxes?
If you're asking "should I set up an LLC or an S-Corp", you're already asking the right question.
Most people pick a business structure because their mate told them to, or because they Googled it for five minutes and went with whatever felt safest.
That's how you leave thousands of dollars on the table every single year.
I'm going to break down LLC vs. S-Corp in plain English so you can stop guessing and start making decisions based on actual numbers.
7 min read
Lenny Whiting
What Even Is an LLC?
An LLC (Limited Liability Company) is a legal structure that separates your personal assets from your business liabilities.
That's it. That's the main job.
By default, the IRS doesn't treat an LLC as its own tax entity. If you're a single-member LLC, the IRS sees you as a sole proprietor. If you've got partners, you're taxed like a partnership.
All the profit flows straight to your personal tax return.
This is called pass-through taxation and it's actually a good thing, most of the time.
But here's the catch nobody talks about upfront.
Every dollar of profit you make is hit with self-employment tax, which is 15.3% on top of your regular income tax.
If you made $100,000 in profit, you're paying $15,300 in self-employment tax before income tax even touches it.
That's real money.
So What Is an S-Corp?
An S-Corp is a tax election, not a separate business structure.
Read that again.
You don't "form" an S-Corp the same way you form an LLC. You can take your existing LLC and elect S-Corp tax status with the IRS by filing Form 2553.
Once you do that, your business is still an LLC legally. But the IRS now taxes it like an S-Corp.
Here's where it gets interesting.
With S-Corp taxation, you split your income into two buckets:
Reasonable salary (subject to payroll taxes)
Distributions (not subject to self-employment tax)
That second bucket is the money-saver.
LLC vs. S-Corp Taxes: The Real Difference
Let's use a straightforward example.
Say your business nets $150,000 a year.
As a single-member LLC (default):
All $150,000 is subject to self-employment tax (15.3% up to the Social Security wage base)
You're paying roughly $21,000+ in SE tax alone
Then income tax on top
As an LLC taxed as S-Corp:
You pay yourself a reasonable salary of, say, $70,000
The remaining $80,000 comes out as a distribution
You only pay payroll taxes on the $70,000
The $80,000 distribution? No self-employment tax
That's potentially $10,000 to $12,000 in annual tax savings.
For a business doing $200,000 or more, the numbers get even better.
LLC vs. S-Corp: Which One Is Right for You?
This is the question everyone wants answered, and the honest answer is: it depends on your profit level.
Here's a simple way to think about it:
Under $40,000 net profit: Stick with a standard LLC. The cost of running payroll and filing an extra tax return (Form 1120-S) likely outweighs the savings.
$40,000 to $80,000 net profit: You're in the grey zone. Run the numbers with a CPA before deciding.
Over $80,000 net profit: An LLC taxed as S-Corp is almost always worth it.
The S-Corp election isn't free. You'll need to:
Process payroll (added cost)
File a corporate tax return (Form 1120-S)
Pay yourself a "reasonable salary" or the IRS will come knocking
But once your income justifies it, the savings dwarf those costs.
C-Corp vs. S-Corp vs. LLC: Where Does the C-Corp Fit?
You've probably seen this comparison floating around.
Here's the short version:
LLC (default): Simple, flexible, pass-through taxes
LLC taxed as S-Corp: Pass-through taxes with payroll tax savings
C-Corp: Separate tax entity, taxed at the corporate level (currently 21%), can face double taxation on dividends
C-Corps are usually the right call if:
You're raising venture capital
You plan to go public
You want to retain earnings inside the company at a lower rate
You need stock options for employees
For most small business owners, consultants, and service providers, the C-Corp adds complexity without the payoff.
The LLC vs. S-Corp conversation is where most of you should be focused.
Single Member LLC vs. S-Corp: A Quick Breakdown
If you're running solo, this comparison hits different.
A single-member LLC is the simplest structure on the planet. One owner, one Schedule C on your tax return, done.
But when your profit grows, that simplicity costs you in self-employment taxes.
Electing S-Corp status as a single-member LLC means:
You become the sole shareholder and employee
You run payroll for yourself
You file an 1120-S in addition to your personal return
You save on SE taxes above your salary
The breakeven point for most solo operators is around $40,000 to $60,000 in annual net profit.
LLC Partnership vs. S-Corp: Multiple Owners
Got a business partner?
By default, a multi-member LLC is taxed as a partnership. Both partners pay SE tax on their share of profits.
With an S-Corp election:
Each partner (now shareholder) pays a reasonable salary
Remaining profit flows out as distributions, free from SE tax
The trade-off is more administrative complexity, including payroll for multiple shareholders and shareholder agreements that hold up to IRS scrutiny.
But for partnerships pulling in serious revenue, the savings are significant
S-Corp vs. LLC Sole Proprietorship: Don't Sleep on This
A lot of freelancers and self-employed folks default to sole proprietorship without even forming an LLC.
That's a double risk:
No liability protection (your personal assets are on the line)
Maximum SE tax exposure (every dollar of profit is taxed)
Forming an LLC is a low-cost fix for the liability issue.
Electing S-Corp status when your income justifies it fixes the tax issue.
These are two separate moves, and both matter.
Benefits of S-Corp vs. LLC: The Full List
Here's what you actually gain with S-Corp taxation:
Payroll tax savings on distributions above your salary
Retirement account contributions through a solo 401(k) or SEP-IRA tied to your salary
Potential QBI deduction optimisation (speak to a CPA on this one)
Credibility with lenders and institutional clients
Cleaner separation of owner compensation and business profit
And what you give up:
Simplicity (payroll is now part of your life)
Lower admin costs (bookkeeping and tax prep fees go up)
Some flexibility in how you pull money out of the business
FAQs: LLC vs. S-Corp
Can an LLC be taxed as an S-Corp?
Yes. You file Form 2553 with the IRS to make the S-Corp election. Your LLC keeps its legal structure but gets taxed differently.
What's the deadline to elect S-Corp status?
You need to file Form 2553 within 75 days of the start of the tax year you want the election to apply, or any time during the prior tax year.
What counts as a "reasonable salary" for an S-Corp owner?
The IRS doesn't give a fixed number. It should reflect what you'd pay someone else to do your job. A good CPA will help you land on a number that's defensible.
Do I need to live in a specific state to form an S-Corp?
No, but your business can only have up to 100 shareholders, all must be US citizens or residents, and you can only have one class of stock.
Is an LLC taxed as S-Corp the same as forming an actual S-Corp?
Functionally, yes, for tax purposes. But legally, an LLC taxed as an S-Corp is still an LLC. It doesn't carry the same corporate formality requirements as a true S-Corp corporation.
When should I NOT elect S-Corp status?
If your net profit is under $40,000, you're likely better off staying as a default LLC. The added costs of payroll and corporate tax filing won't be worth it.
The Bottom Line on LLC vs. S-Corp
Here's what it comes down to.
An LLC is your starting point. It protects your assets and keeps things simple.
An S-Corp election is a tax tool. When your income crosses the threshold, it's one of the most straightforward ways to cut your tax bill without doing anything complicated.
If you're serious about keeping more of what you earn, the LLC vs. S-Corp decision deserves a real conversation with a CPA or tax attorney who can run the actual numbers for your situation.
Don't leave that money on the table.
Ready to figure out whether an LLC or S-Corp makes more sense for your business? Book a consultation with our team and we'll walk you through the numbers.
About Lenny Whiting
CPA Attorney Owner
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