S Corporation: why it often wins for solo business owners in the USA

Strictly speaking, the S Corporation is not a separate type of company but a tax status that a US entity (usually a corporation or LLC) can elect with the Internal Revenue Service (IRS). It has to meet certain criteria:

• No more than 100 shareholders

• Only individuals as shareholders (no corporations)

• All shareholders must be US citizens or US tax residents

• Only one class of stock is allowed

The key difference from a standard C Corporation is that an S Corp pays no federal corporate income tax. Instead, profits are passed straight through to the shareholders (pass-through taxation).

The big bonus: in many cases (especially for solo business owners) it lets you legally avoid part of the self-employment tax.

Every self-employed person in the USA who operates as a sole proprietor or through an LLC without a special election pays self-employment tax of 15.3% on their entire profit. It is made up of:

• 12.4% Social Security

• 2.9% Medicare

Assumptions:

• Resident in Texas (no state income tax)

• Solo business owner with no employees

• Profit: $120,000

We compare three models:

🧮 1. LLC (default treatment / sole proprietor)

• The full $120,000 is subject to income tax

• On top of that: self-employment tax on the full amount ($120,000 × 15.3% = $18,360)

• Half of the SE tax ($9,180) is deductible for income tax

➡️ Total tax burden:

• Self-employment tax: $18,360

• Income tax: depends on your rate, for example roughly $16,000 to $20,000

🧮 2. C Corporation with salary

• Owner pays themselves a salary of $90,000

• Remaining profit ($30,000) stays in the company

Taxes:

• Salary: subject to income tax + payroll tax (about 15.3% on $90,000 = $13,770)

• Company profit ($30,000): corporate tax (21%) = $6,300

• Paying it out to yourself (e.g. as a dividend): another 15% to 20% tax

➡️ Total tax burden:

• Payroll tax: $13,770

• Corporate tax: $6,300

• Possible double taxation on dividends

Downside: more complex bookkeeping, potential double taxation, no pass-through.

🧮 3. S Corporation

• Owner pays themselves a "reasonable salary" of $60,000

• Remaining profit ($60,000) is paid out as a distribution

Taxes:

• Salary: subject to income tax withholding + payroll tax (about 15.3% on $60,000 = $9,180)

• Distribution: no self-employment tax, income tax only

➡️ Total tax burden:

• Payroll tax: $9,180

• Savings compared with an LLC: about $9,180 a year

The comparison at a glance:

✅ 1. Privacy and limited liability

An S Corp is a separate legal entity. Ideally, that shields your personal assets from liability, especially in a lawsuit.

✅ 2. Clean separation of funds

The formal structure makes it easier to keep personal and business money apart, a plus for your bookkeeping and in any tax audit.

✅ 3. Flexible profit distributions

Unlike a salary, a distribution can be timed flexibly around your cash flow.

✅ 4. A better impression on clients and banks

An "Inc." looks more professional and is often favored by banks when it comes to loans.

⚠️ Bookkeeping and payroll

An S Corp doesn't run itself. It requires:

• Payroll, including payroll tax filings

• Form 1120S (annual corporate tax return)

• W-2 forms for yourself

• K-1 for the shareholders

An experienced CPA or payroll specialist is essential here.

⚠️ A "reasonable salary" is mandatory

The IRS requires shareholder-employees to pay themselves a "reasonable salary". Pay yourself just $10,000 in salary and take $110,000 out tax-free, and you risk back taxes, interest and penalties.

Rule of thumb: your salary should roughly match the industry average for comparable work.

Texas is one of the best states for solo entrepreneurs with an S Corp:

• No state personal income tax

• Little red tape to set up and run a company

• A truly business-friendly climate

• A relatively low cost of living in many cities

An entrepreneur based in California with the same setup would pay an extra 9.3% state tax on profits. In Texas, that cost simply doesn't exist.

The S Corporation is no cure-all. It is not suitable for:

• Entrepreneurs permanently resident outside the US

• Startups with foreign investors

• Freelancers with a very low annual profit (< $40,000)

• Anyone who doesn't want to pay bookkeeping and payroll costs

For real estate investors, too, the S Corp is a poor fit, since certain depreciation benefits can be lost.

For solo entrepreneurs with mid-range to high profits, the S Corporation is an extremely attractive model. It offers:

• Substantial tax savings when used correctly

• Protection from personal liability

• A professional image with clients and banks

Texas adds even more location advantages. If you live outside the US, though, this model won't work for you, because S Corp shareholders must be US tax residents.

Based in the US, Mount Bonnell Advisors has spent years helping sole proprietors, people moving to the US, investors and companies with the optimal structuring of their activities in the United States. We help you with:

• Choosing the right entity type

• Forming your S Corp and registering it for tax

• Payroll and annual tax returns

📞 Get in touch now for a personal consultation

Consultation & implementation

If you'd like to find out what this means for your own situation, the best step is to book a consultation.