LLC vs. Sole Proprietorship

A sole proprietorship is the simplest business structure. It usually exists when one person starts doing business for profit and does not form a separate legal entity with the state. In most states, there is no formation filing for a sole proprietorship itself, though you may still need licenses, permits, or a DBA ("doing business as," a public business name filing used when you operate under a name different from your own legal name).

An LLC is a "limited liability company," a legal business entity created by filing formation papers with the state. In many states, those papers are called articles of organization, which are the documents filed with the Secretary of State to officially create the LLC. An LLC is separate from its owner for legal purposes.

Many LLCs also have an operating agreement, which is the internal document that explains who owns the LLC, how decisions are made, and how money is handled. Some states do not require one, but it is often still useful.

Most LLCs must also keep a registered agent, which is the person or company designated to receive official legal and government papers for the business.

For taxes, both a sole proprietorship and a single-owner LLC may often be reported on the owner's personal tax return by default. But legal protection, setup steps, and compliance duties are not the same. You can read more about entity choices in LLC vs. corporation: which is right and how to form an LLC in the US.

Liability protection

• Sole proprietorship: No separate legal entity. In general, business debts and claims can be the owner's personal responsibility.
• LLC: Designed to separate the business from the owner. That can help protect personal assets, but protection is not automatic in every situation.

Setup and paperwork

• Sole proprietorship: Usually the easiest to start. Often little or no entity formation paperwork.
• LLC: Requires a state filing, filing fee, and ongoing compliance in many states.

Taxes

• Sole proprietorship: Business income is commonly reported on the owner's personal return.
• Single-member LLC: Often taxed the same way by default, though tax elections may be possible in some cases. Tax treatment should be confirmed with IRS.gov and a licensed tax professional.

Business name and credibility

• Sole proprietorship: You may need a DBA if using a business name other than your own name.
• LLC: The legal business name is registered with the state when formed, subject to state naming rules.

Ongoing obligations

• Sole proprietorship: Usually fewer formal state entity requirements, but local licenses and tax rules still apply.
• LLC: May need annual reports, franchise taxes, registered agent service, and recordkeeping depending on the state.

Ownership and growth

• Sole proprietorship: Best suited to one owner. Bringing in a partner usually changes the structure.
• LLC: More flexible if you may add co-owners, investors, or more formal ownership terms later.

Even when a business starts small, the better choice can change if you hire workers, sign contracts, lease space, or take on higher-risk work. State rules matter, so check the Secretary of State and consider getting matched with an attorney.

Sole proprietorship: common pros

• Simple and fast to begin in many cases
• Lower startup paperwork burden
• Fewer formal state entity filings
• Works for very small, low-risk businesses

Sole proprietorship: common cons

• No separate liability shield for the owner
• Harder to separate personal and business risk
• May look less formal to some landlords, clients, or lenders
• Ownership structure is limited

LLC: common pros

• Liability protection is a main reason people choose it
• Clearer separation between owner and business
• Often better for contracts, hiring, leases, and multi-owner plans
• Can look more formal in the market

LLC: common cons

• State filing fees and possible annual fees
• More paperwork and compliance duties
• Rules differ by state
• You still need to run the business properly to preserve liability protection

Typical cost ranges

These are general state-dependent flat-fee ranges, not quotes.

• Sole proprietorship: Often $0 to $150 to start the structure itself, though DBA filings, local licenses, permits, and industry-specific registrations can add costs.
• LLC state filing: Often about $50 to $500 in state formation fees.
• Annual state LLC costs: In some states, about $0 to several hundred dollars per year for reports, franchise taxes, or renewal fees.
• Registered agent service: If you hire one, often about $100 to $300 per year.
• Attorney flat fees for formation help: Often several hundred to a few thousand dollars depending on state, complexity, and whether you also need an operating agreement, licenses, or contracts. More on that here: how much does a business lawyer cost.

Some businesses also need an EIN, which stands for "Employer Identification Number," a federal tax ID issued by the IRS for a business. You may need one to hire employees, open some business bank accounts, or make certain tax filings. Learn more at what is an EIN and how to get one.

A sole proprietorship may make sense when:

• You are testing a very small business idea
• You are the only owner
• Your work has relatively low legal or financial risk
• You want the simplest possible start while you confirm demand
• Your state and local licensing rules are manageable

An LLC may make sense when:

• You want liability protection between your business and personal assets
• You sign client contracts, commercial leases, or vendor agreements
• You sell products, hire workers, or work in a field with more risk of claims
• You want a more formal ownership structure
• You may bring in a co-owner later

A few examples:

• A freelance designer with very small revenue and low-risk services might begin as a sole proprietorship, then switch later if the business grows.
• A food business, construction business, e-commerce seller, or consulting firm signing larger contracts may decide an LLC is worth the added cost and compliance.
• A founder expecting to add a partner soon may prefer an LLC from the start, along with a written ownership agreement.

These are only general examples. The right answer depends on your state, industry, contracts, insurance, taxes, and risk. FoundryCounsel is not a law firm and does not provide legal advice, but you can use our free matching service to find a lawyer through how it works or get matched.

Before choosing between an LLC and a sole proprietorship, confirm these points:

1. State filing rules: Check your Secretary of State website for LLC formation requirements, annual reports, and naming rules.
2. Local permits and licenses: Some cities and counties require business licenses even for sole proprietors. See business compliance and licensing.
3. Tax setup: Review IRS.gov for EIN rules and tax basics.
4. Contracts and risk: If you work with customers, vendors, or landlords, think about whether you need stronger structure and written agreements. See contracts and agreements, partnership and founder agreements, and commercial leases and real estate.
5. Formation documents: If you choose an LLC, you may need articles of organization, an operating agreement, and a registered agent. See business entity formation.

If you ask to be matched with a lawyer, only share contact details and a short description of your situation. Do not send sensitive personal information, tax ID numbers, bank account numbers, immigration status, or confidential business secrets through a form.