FOR FREELANCERS

You've Been Doing Corp Taxes Wrong: 7 Mistakes That Cost One Freelancer $19,400

(Incorporating Did Not Fix It. It Made It Worse.)

Most people assume incorporating automatically lowers what they owe. A freelance design consultant named Priya incorporated in March with a $99 online service and ended up paying tax twice on $118,000. Here are the seven things about corp taxes nobody explains until you are the one exposed.

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Phoenix · August 24, 2026 · 6 min read

Real freelancers. Real numbers.

46%

Priya's effective rate after the accidental C-corp

“I'd been filing the same way for four years and just accepted the bill. Amadae restructured my entity, fixed my quarterly payments, and I kept $11,200 more this year than last, on less income.”

Amadae client · Freelance consultant

Incorporating does not lower your taxes by itself

A corporation is taxed as a C-corp by default. The business pays 21% at the entity level, then you pay tax again on whatever you take out. Priya's $118,000 in freelance income was not a special case. Nobody told her a specific election had to be filed within 75 days, so by the time her CPA noticed in September the window had closed and her effective rate was 46%.

Do this today: If you formed a corporation in the last 75 days, confirm today whether Form 2553 has been filed.

46%

effective tax rate Priya paid on $118,000 after an accidental C-corp, versus one layer of tax as a sole proprietor

Amadae client case, 2025

Your LLC is probably a disregarded entity, and that changes nothing

Most single-member LLCs pay no tax at all. Every dollar of profit flows to your personal return and gets hit with self-employment tax on top of income tax. People hear I have an LLC and assume they are shielded from that. You are not. The LLC protects your assets in a lawsuit and does nothing for your tax bill unless you actively elect a different treatment.

Do this today: Pull your entity's tax classification from the IRS and confirm how your business is actually being taxed right now.

Coffee at green desk — An LLC protects your assets in a lawsuit. It changes nothing on your tax bill until you file an election, and the S-corp window is 75 days.

The 15.3% self-employment tax is baked into every invoice

When you had a W-2, your employer quietly paid half of your Social Security and Medicare tax. Now you pay all 15.3% yourself, on top of regular income tax. A freelancer who left a $70,000 salary for $90,000 in contract income often nets out lower after tax. It is not a punishment for going independent. It is a bill nobody itemized for you on day one.

Do this today: Set aside 25 to 30% of every invoice the moment it clears, into a separate account you do not touch.

$90,000 of contract income, illustrative

Invoices paid$90,000

Self-employment tax at 15.3%$12,700

Federal and state income tax$14,300

Health insurance you now buy yourself$7,200

What actually lands, about a $70K salary$55,800

Want all of this handled for you, for one flat monthly price?

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04AMADAE

Fixing corp taxes is a system, not a guess

Once your income crosses roughly $80,000 to $100,000 in consistent profit, an S-corp election can legally cut your self-employment tax by splitting income into salary and distributions. It only works if it is filed on time and paired with a reasonable salary. Amadae handles the election, the deadlines most freelancers never hear about, and the payroll, and runs the actual math on whether an S-corp saves you money at your income level instead of guessing from what worked for someone else.

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Who handles what

	$99 formation site	Generic CPA
Form 2553 filed inside 75 days		If asked
S-corp math run on your numbers
Reasonable salary set and payroll run		Extra fee
Quarterly estimates calculated and filed		Extra fee
Year-end returns included		Extra fee
Flat monthly price	One time

We reviewed 60 freelancer setups. Here is what fixing this saved.

When Amadae audited 60 freelancer and creator accounts last year, the average client who was misclassified, underpaying quarterly, or missing an obvious S-corp opportunity was leaving between $4,000 and $14,000 on the table annually. Priya's case was on the extreme end, but the pattern was not rare. It was the norm.

Do this today: Compare your last two returns. If the bill went up faster than your income, your structure is wrong.

“I'd been filing the same way for four years and just accepted the bill. Amadae restructured my entity, fixed my quarterly payments, and I kept $11,200 more this year than last, on less income.”

Amadae client

Freelance consultant

Kept $11,200 more on less income

Quarterly payments are not optional. They are insurance.

It is summer. You are planning a trip, maybe your third, and the IRS is quietly building your September 15 bill in the background. Skip a quarterly payment and you are not delaying the pain, you are adding an underpayment penalty on top of it. Enjoy the summer. Just do not let Q3 sneak up on you the way it does for most first-year freelancers.

Do this today: Put September 15 and January 15 on your calendar right now, with a dollar amount attached.

Open office — Two dates that do not move: September 15 and January 15. Attach a dollar amount, not a vague reminder.

BONUSAMADAE

Bonus: Deductions are corp tax strategy in disguise

Fear of claiming the wrong thing keeps a lot of freelancers from claiming anything, which means they overpay by default every year. A Solo 401(k), a home office, and properly logged expenses are not loopholes. They are the legal difference between paying tax on revenue and paying tax on profit. Amadae tracks them as they happen and pairs them with the right entity, so you stop leaving four to five figures on the table.

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Worth $4,000 to $14,000 a year across the 60 setups we reviewed

Solo 401(k) contribution before year end
Home office deduction, measured
Expense log started before Q4 buries the receipts
S-corp election with a reasonable salary
Guessing at the total in April

Real freelancers. Real numbers.

46%

Priya's effective rate after the accidental C-corp

75 days

the window to file the S-corp election

15.3%

self-employment tax on every invoice

$4K to $14K

left on the table per year across 60 setups

From Amadae's review of 60 freelancer and creator accounts, 2025

Accounting built for how freelancers get paid

Books, payroll, and taxes from real accountants, for one flat monthly price starting at $249.

Entity and S-corp election filed on time, with a reasonable salary
Quarterly estimates calculated from real income and filed
Every deduction tracked as it happens, not reconstructed in April
Year-end federal and state returns included

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$249/mo

If you make $40K - $69K. Flat, no hourly bills.

Monthly profit and loss reports
Tax set-aside management
Expense categorization
Real-time financial dashboard
Business bank account connections
Invoicing and contractor payments

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Cancel any timeReal accountantsTaxes filed for you

Straight answers

Questions creators ask us

I already formed a corporation. Is it too late to fix?+

Usually not. Late elections and restructures are common, and the first thing the intro call does is check how the IRS currently classifies you. Then we run the math on the cheapest way out.

I make about $60,000. Do I need an S-corp?+

Probably not yet. The election tends to pay for itself past $80,000 to $100,000 of consistent profit. Below that, set-asides, quarterlies, and deductions are where the money is, and we will tell you honestly.

What does Amadae cost?+

Plans start at $249 a month, flat. That covers books, payroll, quarterly estimates, and your year-end returns, with no hourly bills.

Stop paying tax twice on the same dollar

You did not leave a W-2 job to become an accidental tax expert. Thirty minutes with a freelancer accountant will tell you whether your structure matches your income.

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Keep reading

I Reviewed 32 Freelancers' Entity Elections. The S Corporation vs C Corporation Mistake Cost One $14,200.

The s corporation vs c corporation decision looks simple until it isn't. Here's the $14,200 mistake 32 freelancer tax reviews uncovered. 8 min read.

I Ran One Creator's Income Through 4 S Corp Tax Calculator Tools. The Answers Were $11,400 Apart.

We tested four free s corp tax calculator tools on the same $140K creator income and got wildly different answers. Here's what actually determines the real number. 7 min read.

This Founder Filed Form 2553 Six Months Late. He Still Saved $19,400.

Missed the 2553 form deadline? Most founders assume it's too late for S-corp savings. Here's how one founder filed late anyway and saved $19,400.