LLC vs C Corp for Startups: How to Choose

An LLC is simpler and taxes profits on the owners' personal returns by default. A C corp is taxed as its own entity but is the standard structure for startups that plan to issue stock options and raise venture capital. If you expect outside investors, a Delaware C corp is common. A lawyer and accountant should confirm the choice for your case.

By the Revolutionary Startups editors · Reviewed 11 November 2026 · 12 min read · 2,735 words

The short version: two structures, two different jobs

Almost every US startup picks one of two legal structures: a limited liability company (LLC) or a C corporation (C corp). Both separate your personal assets from the business, which is the main reason to form either one. They differ in how they are taxed, how ownership is divided, and how easy it is for outside investors to buy in.

Here is the rough rule of thumb that lawyers repeat to founders. An LLC tends to fit a business that will be owned by a few people, pay out its profits, and never sell shares to venture investors. A C corp tends to fit a business that plans to hand out stock options to employees, raise money from angel investors or venture capital funds, and maybe be acquired or go public one day.

That is a generalization, not a verdict. Your state, your co-founders, your tax situation and your plans all change the answer. This guide is general education about US rules. A startup lawyer and an accountant should confirm the structure before you file anything.

Why the choice matters early

You can change structure later, but changing costs money and can trigger tax consequences. Founders who start as an LLC and then meet an investor who wants a C corp often pay legal fees to convert. Founders who start as a C corp and never raise money sometimes find they have more paperwork and a heavier tax setup than they needed. Neither mistake is fatal. Both are cheaper to avoid than to fix.

How an LLC works

An LLC is a state-created business entity. You file formation paperwork with a state, usually called articles of organization, and you write an operating agreement, the document that says who owns what, who makes decisions and how profits are shared. Our glossary has a plain-English page on the LLC and on the operating agreement.

Pass-through taxation explained

By default, an LLC is a pass-through entity. The LLC itself does not pay federal income tax on its profits. Instead, the profits "pass through" to the owners, who report their share on their personal tax returns. The IRS treats a one-owner LLC as a "disregarded entity" by default, which means the owner reports the business income on their own return. A multi-owner LLC is treated as a partnership by default.

For example, suppose a two-person LLC earns $100,000 of profit in a year, and each owner holds 50 percent. Each owner reports $50,000 of business income on their personal return, whether or not the LLC actually paid that cash out to them. That last point surprises founders. You can owe tax on profit you left in the company's bank account.

Owners who actively work in an LLC can also owe self-employment tax on their share of profits. How much, and how to reduce it, is exactly the kind of question your accountant answers. Rates and thresholds change, so check the IRS page on business structures, linked at the bottom, and ask a professional.

What an LLC gives you

• Flexibility. The operating agreement can split profits and control in custom ways.
• Fewer formalities. Many states require less recordkeeping than for corporations, such as annual shareholder meetings.
• One layer of tax by default. Profits are taxed once, at the owner level.
• Liability protection. In general, owners are not personally liable for the company's debts, though courts can ignore that protection if you mix personal and business money.

Where an LLC gets awkward for startups

Venture funds usually cannot or will not invest directly in an LLC. Many are structured so that receiving pass-through income creates tax problems for their own investors. Employee stock options also work cleanly in a corporation, while an LLC needs different tools, such as profits interests, which are more complicated to explain and administer. Both are manageable with a good lawyer, but they add cost and friction that investors would rather not deal with.

How a C corp works

A C corporation is a separate legal and tax entity owned by shareholders. You file a certificate of incorporation with a state, adopt bylaws, appoint directors, and issue shares of stock to the founders. See the glossary entry for C corporation for the quick definition.

Double taxation, in plain words

A C corp pays corporate income tax on its profits. If it then pays a dividend to shareholders, the shareholders pay personal tax on that dividend. The same dollars are taxed twice, which is why people call it "double taxation."

For example, imagine a C corp earns $100,000 and pays corporate tax on it. If it then distributes the leftover money as a dividend, the shareholders owe tax again on what they receive. Rates change, so we are not stating any here.

Why do startups accept this? Because most early startups are not profitable and do not pay dividends. They reinvest everything. A company with a loss has no corporate tax bill to double up on. Investors in those companies expect to be paid when the company is sold or goes public, not through dividends.

What a C corp gives you

• A standard investor structure. Term sheets, SAFEs and stock purchase agreements are written for corporations. Our guide to SAFEs versus convertible notes assumes one.
• Clean stock options. You can create a stock option pool and grant options to employees under well-understood rules.
• Multiple share classes. Common stock for founders, preferred stock for investors, each with different rights.
• Possible tax benefits on sale. Some US tax rules, such as the qualified small business stock exclusion, apply only to C corp stock. The details and limits change, so an accountant must check whether you could qualify.

What a C corp costs you

More paperwork: bylaws, board consents, a stock ledger, and a cap table you keep accurate. Also a separate corporate tax return and, in most states, annual fees. None of it is hard, but it is regular work.

LLC vs C corp: side-by-side comparison

Notice the "losses early on" row. People sometimes choose an LLC so founders can deduct startup losses on their own returns. That can be a real benefit, but it depends on your personal tax situation and on tax rules your accountant must apply. It should not be the only reason to pick a structure if you will raise venture capital within a year or two.

S corp vs C corp: a common mix-up

People often say "S corp" as if it were a third kind of company. It is not. An S corporation is a tax status. A company, either a corporation or an LLC, can ask the IRS to be taxed as an S corp. If it qualifies, profits pass through to the owners like an LLC, and the entity avoids the corporate-level tax of a C corp.

Why S corp status rarely fits a venture-backed startup

The S corp election comes with limits. In general, an S corp can have only one class of stock, a capped number of shareholders, and only certain kinds of shareholders. Many entities, including most venture funds, and some non-US individuals cannot hold shares. Venture investing usually needs preferred stock, which is a second class. So a company that later raises a venture round typically has to give up S status.

S corp status can make sense for a profitable small business with a few US-based owners who plan to take income out every year. That is a different business from a venture-backed startup, and it is a topic where an accountant's advice matters most. They can model whether the election saves any tax for your actual numbers.

The words to keep straight

• LLC and corporation are legal structures created under state law.
• C corp, S corp, partnership and disregarded entity are federal tax classifications.
• An LLC can choose to be taxed as an S corp or a C corp by filing an election. A corporation is a C corp unless it qualifies for and elects S status.

Why startups incorporate in Delaware

If you read about startups, you will see the phrase "Delaware C corp" constantly. Delaware is a small state, so why do so many companies from California, New York and Texas incorporate there?

The usual reasons

• Established corporate law. Delaware has decades of court decisions explaining how corporate rules apply. Lawyers can predict outcomes, and uncertainty is expensive.
• A specialized business court. The Delaware Court of Chancery hears corporate disputes without juries, which investors and lawyers tend to like.
• Familiarity. Investors' lawyers know the Delaware documents and rules. Standard forms are written around them, which saves time and fees in a financing.
• Flexible corporate statute. The law lets companies set up governance, share classes and board rights in ways that suit venture deals.

What Delaware does not do for you

Incorporating in Delaware does not exempt you from your home state. If you run the business from, say, Ohio, you will generally need to register ("qualify") as a foreign corporation in Ohio, pay that state's fees and taxes, and follow its rules. You will also pay Delaware's annual franchise tax and fees and keep a registered agent there. So a Delaware corporation costs more than a plain home-state corporation. It buys you investor familiarity, not lower taxes.

If you never plan to raise venture capital, incorporating in your home state is often simpler and cheaper. That is a good question for your lawyer. If you will raise venture money, Delaware is common enough that investors may ask you to switch if you did not start there.

Converting an LLC to a C corp later

Many founders start as an LLC because it is cheap and quick, then convert when an investor appears. It is common, and lawyers have done it many times. It is also a taxable-event minefield if done carelessly, so this is a job for professionals.

How a conversion usually works

There are a few routes. Some states allow a direct statutory conversion, where the LLC becomes a corporation by filing paperwork. In other cases, founders form a new corporation and transfer the LLC's assets or membership interests to it in exchange for stock. Which route fits depends on your state, your assets and your tax situation.

What a lawyer and accountant should check

• Whether the conversion triggers a tax bill for the owners, and how to structure it to avoid one if possible.
• How membership interests convert into shares, and whether the founders' stock needs a fresh vesting schedule. Read our guide on splitting equity between co-founders for how vesting works.
• Whether contracts, bank accounts, licenses and your EIN carry over or need to be redone.
• Whether intellectual property is properly assigned to the new entity. See IP assignment agreements for startups.

Expect legal fees. They vary widely by firm and by how tangled your cap table is, so get quotes from a few startup lawyers. For comparison, forming a Delaware C corp from day one, with standard documents, is usually cheaper than an LLC-to-C-corp conversion plus the same documents later.

Decision guide and common mistakes

Questions to answer before you pick

1. Will you raise money from outside investors? If you expect angels or venture funds within two years, lean toward a C corp, and ask your lawyer about Delaware.
2. Do you want to give employees stock options? That points toward a C corp.
3. Will the business make money soon and pay it out to owners? That points toward an LLC, possibly with an S election, subject to accounting advice.
4. How many owners are there, and where do they live? Non-US owners or entity owners limit S corp options.
5. Do you plan to bootstrap? Our guide on bootstrapping versus venture capital helps you decide which path you are on, which largely decides the structure.

Mistakes to avoid

• Forming the entity and then not using it correctly. Mixing personal and business money can weaken the liability protection both structures offer.
• Skipping the founders' paperwork. Stock issuance, vesting and IP assignment should happen at formation. A founders' agreement prevents arguments later.
• Choosing based on an internet forum. Advice online often assumes a different state or situation from yours.
• Believing structure protects you from everything. An LLC or corporation does not shield you from your own legal wrongdoing or from personal guarantees you sign.
• Waiting too long. Selling products, signing contracts and hiring while operating as an unformed business exposes you personally.

When to talk to professionals

Talk to a startup attorney about the formation documents and to an accountant about taxes before you file, not after. Many lawyers offer a free or low-cost first call, and some offer fixed-fee startup packages. Bring your plan for funding, your list of co-founders and how you want to split ownership. Our startup legal checklist lists what else to raise in that meeting.

For the official definitions of each structure, see the IRS page on business structures linked below.

Frequently asked questions

Should my startup be an LLC or a C corp?

It depends on your plans. If you expect to raise venture or angel money and grant employee stock options, a C corp is the usual choice. If you will be owner-funded with a few owners who take profits out, an LLC is often simpler. A startup lawyer and an accountant should confirm which fits your situation.

Why do startups incorporate in Delaware?

Delaware has long-established corporate law, a specialized court for business disputes, and forms that investors and their lawyers already know. That predictability makes financings faster. It does not lower your taxes, and you generally still have to register in the state where you actually operate.

What is the difference between an S corp and a C corp?

A C corp is taxed as its own entity, and dividends are taxed again to shareholders. An S corp is a tax election that passes profits through to owners, but it limits the number and type of shareholders and allows only one class of stock, which usually conflicts with venture financing.

Can I convert an LLC to a C corp later?

Yes, and it is common. Some states allow a direct conversion; otherwise you form a new corporation and transfer the business into it. Because conversions can have tax consequences and require restating ownership, have a lawyer and accountant handle the details.

What does pass-through taxation mean?

The business does not pay income tax itself. Its profits and losses are reported on the owners' personal tax returns in proportion to their ownership, even if the cash was never paid out. LLCs are taxed this way by default, and S corps and partnerships also pass income through.

Do venture capitalists invest in LLCs?

Rarely. Many funds are structured so that receiving pass-through income would create tax problems, and their standard documents assume a corporation with preferred stock. Startups that raise venture money almost always convert to or start as a C corp first.

Is an LLC or C corp cheaper to set up?

Both have state filing fees that vary by state, and legal fees depend on the lawyer. A C corp typically needs more documents and ongoing formalities, so it can cost more to keep up. Compare quotes and ask what is included, rather than assuming either one is cheaper.

Key terms on this page

• LLC
• C Corporation
• Angel Investor
• Venture Capital
• Co-Founder
• Operating Agreement
• Term Sheet
• SAFE
• Vesting
• Cap Table

Keep reading

• Startup Legal Checklist: What to Handle Early GuideStartup legal checklist for first-time founders: entity, founder agreements, IP, EIN, licenses, contracts and privacy. A starting point for an attorney talk.
• How to Split Equity Between Co-Founders (and Vesting) GuideHow to split equity between co-founders: factors to weigh, equal vs unequal splits, 4-year vesting with a 1-year cliff, and a worked example with round numbers.
• Bootstrapping vs Venture Capital: How to Choose GuideBootstrapping vs venture capital explained: how each works, what you give up, worked examples, and how to decide which path fits your startup.
• How to Start a Startup: A Step-by-Step Roadmap GuideHow to start a startup step by step: validate the idea, pick a structure, build an MVP, handle legal basics, fund it and get customers, even with a day job.
• IP Assignment Agreements for Startups Explained IP guideIP assignment agreement basics for startups: founder IP assignment, invention assignment for employees, contractor IP ownership and what to include.

Part of Starting a Startup · All guides · Glossary

Sources

• IRS: Business structures

General information, not legal, tax or financial advice. Reviewed 11 November 2026.