LLC vs Sole Proprietor: Which Saves More on Taxes in 2026?

Ask a new freelancer whether they should form an LLC, and you will hear two confident answers: “it saves you a fortune on taxes” and “it makes zero tax difference.” Surprisingly, both are half right. By default, a single-member LLC and a sole proprietorship are taxed identically. The real tax savings come from an election most owners never hear about until their accountant mentions it.

Here is how the taxes actually compare, where the savings really hide, and when switching structures makes sense.

The Surprising Truth: Default Taxation Is Identical

For federal tax purposes, a single-member LLC is a “disregarded entity” — the IRS pretends it does not exist. You report business income and expenses on Schedule C, exactly like a sole proprietor, and pay the same income tax plus the same 15.3 percent self-employment tax on net earnings.

This is the single most misunderstood fact in small business taxes. Forming an LLC does not, by itself, lower your tax bill by one dollar. People who form an LLC expecting automatic tax savings are confusing legal structure with tax treatment. Before you spend money on formation, run your actual numbers through the LLC vs Sole Proprietor Tax Comparator to see the baseline — the default comparison will confirm the two are equal.

Where the Real Savings Hide: The S-Corp Election

The tax advantage of an LLC is not the LLC itself — it is what the LLC allows you to elect. An LLC can elect to be taxed as an S corporation, and that changes everything about how self-employment tax applies.

Here is the mechanics. As a sole proprietor (or default LLC), you pay 15.3 percent self-employment tax on all net earnings. As an S-corp, you must pay yourself a “reasonable salary,” which is subject to payroll taxes — but remaining profits distributed to you are not subject to self-employment tax. If your business nets $120,000 and you take a $70,000 salary, you avoid the 15.3 percent tax on the remaining $50,000 — roughly $7,650 in annual savings.

A sole proprietorship cannot make this election. Only a formal entity — an LLC or corporation — can. That is the genuine, structural tax advantage of the LLC: it is the cheapest vehicle for reaching S-corp taxation.

The S-Corp Threshold: When It Pays Off

The S-corp election is not free. You will pay for payroll processing, file a separate corporate return (Form 1120-S), possibly pay state-level entity taxes, and spend time on bookkeeping and payroll compliance. Those costs typically run $1,500 to $3,000 a year.

The widely used rule of thumb: the election starts making sense when your net business income consistently exceeds $40,000 to $60,000 a year. Below that, the administrative costs eat the self-employment tax savings. Well above it, the savings compound every year.

There are also tripwires. The IRS requires your salary to be “reasonable” for your role and industry — you cannot pay yourself $20,000 on $200,000 of profit to dodge payroll taxes. Some states, notably California with its 1.5 percent net income tax on S-corps (minimum $800), reduce the benefit. Model your specific income in the LLC vs Sole Proprietor Tax Comparator before deciding; the break-even point moves with your numbers.

Liability Protection: The Non-Tax Reason

Taxes aside, the main reason to form an LLC is liability protection. A sole proprietor and the business are legally the same person — a lawsuit or business debt can reach your house, savings, and personal assets. An LLC creates a legal wall between business liabilities and personal assets.

That wall has conditions. You must keep business and personal finances separate, sign contracts in the LLC’s name, and maintain basic formalities. Courts can “pierce the veil” if you treat the LLC as your personal piggy bank. And an LLC does not protect you from your own professional mistakes — malpractice or personal negligence still follows you, which is why professionals carry insurance regardless of structure.

If you work in a litigious industry, sign leases, hire employees, or simply want the credibility of a formal entity with clients, the LLC’s protection alone can justify its modest cost even before any tax benefit.

Costs and Paperwork Compared

• Sole proprietor: no formation cost, no state filings, no separate tax return. You may need a local business license and a DBA (“doing business as”) registration if you use a trade name. Total ongoing cost: near zero.
• LLC: state filing fee ($40 to $500 depending on the state), possible annual report fees, registered agent (often $100+/year if you hire one), and an operating agreement. Some states add publication requirements or franchise taxes.
• LLC with S-corp election: everything above plus payroll service, Form 1120-S preparation, and stricter bookkeeping. Budget $1,500 to $3,000 annually in compliance costs.

For a side hustle earning a few thousand dollars, the sole proprietorship wins on simplicity. For a full-time business with real revenue, the LLC’s cost is trivial relative to the protection and optionality it buys.

When Should You Switch?

Consider forming an LLC — and evaluating the S-corp election — when several of these are true:

• Your net business income consistently tops $40,000 to $60,000 a year.
• You face meaningful liability: client contracts, employees, a physical location, or an industry where disputes are common.
• You want the credibility of a formal entity when bidding for larger clients.
• You are paying substantial self-employment tax and want the S-corp option on the table.
• Your state has reasonable LLC fees (compare before you file).

Stay a sole proprietor while you are testing an idea, earning inconsistently, or keeping things deliberately simple. You can always form the LLC later — there is no deadline, and the tax treatment for the current year can often be managed with proper timing.

Compare Your Own Numbers

General rules only go so far; the right structure depends on your income, your state, and your costs. The LLC vs Sole Proprietor Tax Comparator lets you enter your expected net income and see side-by-side estimates of total tax under each structure, including the S-corp scenario. Run it at $50,000, $100,000, and $150,000 of net income and watch where the lines cross — that crossover is your personal answer.

If the numbers point toward forming an entity, do not skip the practical steps: choosing a state, filing articles of organization, getting an EIN, opening a business bank account, and setting up bookkeeping. The Business Formation Checklist walks through each step in order so nothing falls through the cracks.

And once you have chosen, revisit the tax comparator every year or two. Income changes, states change their fees, and the structure that was right at $45,000 may be wrong at $120,000. The best entity is the one that fits this year’s business — not last year’s.