Entity types
Is an LLC a corporation?
No. They are two different entities under state law. The confusion is real, though, because an LLC can choose to be taxed as a corporation without becoming one.
Two different things under state law
A corporation is formed by filing articles of incorporation. It has shareholders, directors and officers, it holds meetings, it keeps minutes, and corporate law sets out much of how it must run.
A limited liability company is formed by filing articles of organization. It has members, it can be run by those members or by appointed managers, and its operating agreement sets out most of how it runs. There are no shares and no board unless the members build one.
Both give the owners limited liability, which is the reason most people form either. That shared feature is why the two get mixed up.
Where the confusion comes from: tax classification
The federal tax code does not care much about your entity label. It asks how the entity is classified, and for an LLC there are several answers.
- A single-member LLC is a disregarded entity by default. The income lands on the owner’s personal return.
- A multi-member LLC is a partnership by default and files a partnership return.
- Any LLC can elect to be taxed as a C corporation by filing Form 8832.
- Any eligible LLC can elect S corporation treatment by filing Form 2553.
So an LLC taxed as a corporation is still an LLC
This is the sentence worth remembering. Electing corporate tax treatment changes which return you file and how profit reaches you. It does not convert the company into a corporation, does not create shares, and does not change your Illinois filing obligations as an LLC.
The reverse is also true: an S corporation is not an entity type. It is a tax election that an LLC or a corporation can make.
What actually differs in practice
Once liability is off the table, the practical differences are narrower than the internet suggests.
- Formality: corporations must hold meetings and keep records; LLCs generally need only what their operating agreement requires.
- Outside investment: venture investors expect a Delaware C corporation with stock. An LLC membership interest complicates a priced round.
- Self-employment tax: default LLC profit is generally subject to it; an S election can change the split between wages and distributions.
- Profit sharing: an LLC can allocate profit flexibly in its operating agreement. Corporate distributions follow the shares.
- Ownership limits: S corporation status caps shareholders and excludes most non-resident owners. C corporations and plain LLCs do not.
Which one to form
If you are operating a business and want liability protection with the least maintenance, an LLC is usually the answer, and you can add a tax election later if the numbers justify it. If you are raising venture money, form the corporation now rather than converting under time pressure during diligence.
Whichever you form, the state paperwork is the same shape: articles, a registered agent with a real address in the state, an EIN, and an annual report every year.
Not sure which to form?
USTAXX forms LLCs and corporations in all 50 states and files the tax elections that follow. A short call is usually enough to settle which one fits.
Questions people ask
Is an LLC a corporation?
No. They are separate entity types created by different filings. An LLC can elect to be taxed as a corporation, which changes its tax treatment but not what it is.
Is an S corporation a type of company?
No. S corporation is a federal tax election. The underlying entity is an LLC or a corporation.
Does an LLC pay corporate tax?
Only if it elects to be taxed as a C corporation. By default a single-member LLC is disregarded and a multi-member LLC is a partnership, so profit is reported by the owners.
Which gives better liability protection, an LLC or a corporation?
Neither, in ordinary cases. Both separate the owners from the entity’s debts, and both lose that protection the same way: mixing personal and business money, or skipping the filings that keep the entity in good standing.
Can an LLC become a corporation later?
Yes, by conversion or by forming a corporation and moving the business into it. Both have tax consequences, so model them before filing anything.
Where these rules come from
General information, current when written, not advice about your situation. Fees and forms change; the official pages above are the authority.