If you start doing business under your own name and file nothing with the state, you are a sole proprietor by default. No application creates the status. It simply describes a business owned by one person who has not formed a separate legal entity. An LLC is the opposite approach. You file with the state, pay a fee, and create a business entity that the law treats as separate from you. This page compares the two in plain words, across liability, taxes, cost, and paperwork. It is general information only. It is not legal advice and it is not tax advice, and it cannot decide the right structure for your personal situation.

What the difference really is

The core difference is separation. A sole proprietorship has no legal separation between owner and business. In the eyes of the law, you and the business are the same person. The business debts are your debts, the business contracts are your contracts, and the business income is your income.

An LLC creates a separate entity. The LLC can hold its own bank account, sign its own contracts, and owe its own debts. You own the LLC, but you are not the LLC. That distinction sounds abstract until something goes wrong. Then it becomes the whole question, because it decides whose assets are at risk when the business cannot pay or faces a claim.

Liability in plain words

For a sole proprietor, a business problem is a personal problem. If the business owes money it cannot pay, creditors can pursue the owner personal assets, including savings and in many cases other property, subject to state protections that vary widely. If someone is injured by the business and wins a claim, the owner is the defendant personally.

An LLC adds a layer. Business debts and claims generally stay with the business, and the owner personal assets are generally not available to business creditors, as long as the LLC was run as a genuinely separate entity. Owners who keep funds separate, sign contracts in the LLC name, and keep adequate records are in a far stronger position than owners who treat the LLC account as a personal wallet.

An LLC is not a magic shield, and this point matters. It does not protect you against claims arising from your own personal actions. If you personally cause an injury while working, you can be personally responsible regardless of the LLC. It does not protect you if you personally guarantee a loan, which lenders often require from new businesses anyway. It does not erase tax obligations, wages owed, or claims based on fraud. And a court can set the entity aside in serious cases where the separation was ignored in practice. Insurance still matters for both structures, because insurance pays for defense and settlements in situations where the entity question never even arises.

Taxes in plain words

Here is the part that surprises many new owners. By default, a single owner LLC and a sole proprietorship are taxed in much the same way. The IRS calls both pass through arrangements in effect, meaning the business itself does not pay federal income tax as a separate taxpayer. Instead, profit flows to the owner personal return, where it is taxed as personal income. A sole proprietor reports business profit on the personal return. A single owner LLC does exactly the same by default.

Self employment tax works the same way too. Owners in both structures generally pay self employment tax on business profit, covering the Social Security and Medicare contributions that an employer and employee would split in a regular job. Forming an LLC does not remove that tax.

An LLC does offer an option a sole proprietorship does not. An LLC can elect to be taxed under corporate rules if that treatment fits the business better. That election changes filing duties, payroll duties, and how owners get paid, and it helps some businesses and hurts others. The numbers depend entirely on your income, your state, and your plans. This site gives general information only and offers no tax advice. If the election question matters to you, an accountant who works with small businesses in your state can model your actual figures, and that hour of advice is usually worth its cost.

State taxes add another layer for LLCs in some states. A few states charge LLCs an annual tax or fee that sole proprietors do not pay. Check your state page before assuming the ongoing cost is only the annual report fee.

Cost and paperwork differences

A sole proprietorship is the cheapest way to do business because there is almost nothing to buy. There is no state formation fee and no annual report in most states. You may still pay for local licenses, permits, or a trade name registration if you operate under a name other than your own legal name, and those costs apply to LLCs as well.

An LLC costs money at the start and on a schedule after that. The state filing fee to form one varies by state, roughly $40 to $500. Most states then require an annual or biennial report with a fee, and if you hire a registered agent or a formation service, those charges recur as well. Our cost calculator and state pages exist precisely because the honest comparison is the first year total plus the amount that repeats every year after, not the filing day price. An LLC that looks cheap to form can be the expensive option to keep in a state with high recurring fees.

Paperwork follows the same pattern. A sole proprietor keeps tax records and licenses current, and that is most of the burden. An LLC owner does that plus the formation filing, an operating agreement, a separate bank account, annual reports, and registered agent upkeep. None of it is difficult, but all of it is mandatory, and falling behind can cost the LLC its good standing with the state.

When each makes sense

A sole proprietorship makes sense when the work is low risk, the income is modest or just beginning, and simplicity matters most. Freelance work for a few clients, a small side project being tested, or a seasonal service with no employees and no significant contracts can all fit. The owner accepts personal responsibility, keeps good insurance where the work calls for it, and can always form an LLC later when the business grows.

An LLC makes sense when the risk or the stakes rise. Signing larger contracts, hiring employees, taking on business debt, working on customer property, selling products that could cause harm, or bringing in a partner all argue for the separation an LLC provides. So does a simple credibility point. Some clients and marketplaces prefer or require vendors to be formed entities with a business bank account and an EIN.

The honest summary is short. A sole proprietorship trades protection for simplicity and near zero state cost. An LLC trades money and recurring paperwork for a real legal separation and more tax elections, without changing your default tax bill. Decide based on your risk and your contracts first, your costs second, and promises about tax savings last, because those promises are the claim most often exaggerated in formation marketing.