Most explanations of entity types are either three sentences long and useless or forty pages long and written for lawyers. Here is the middle version: the differences that actually change decisions for a small operator.
This is educational, not legal or tax advice. Entity law is state-specific and the right answer depends on facts about your situation that a general article cannot know.
What they have in common
Both an LLC and a corporation are separate legal entities from you. Both, when maintained properly, create a distinction between business liabilities and personal assets. Both require a state filing, a registered agent, and ongoing compliance.
That shared purpose — separation — is the main event, and both structures deliver it. The differences are about administration, taxation, and what happens when there is more than one owner.
Administrative weight
The LLC is lighter. Fewer formalities, no required board, no mandated annual meetings in most states, and a governing document you can write to fit how you actually want to operate.
The corporation is heavier by design. Directors, officers, bylaws, annual meetings, minutes, stock records. These formalities are not busywork — they are part of what demonstrates the entity is genuinely separate from its owners — but they are real ongoing work.
For a solo operator or a small partnership, that difference in overhead is usually the most practical consideration.
Taxation
This is where the most confusion lives, because entity type and tax classification are two separate decisions.
An LLC is not a tax category. By default a single-member LLC is taxed as a sole proprietorship and a multi-member LLC as a partnership — income flows through to the owners' personal returns. But an LLC can elect to be taxed as an S corporation or a C corporation without changing its legal form.
A corporation is taxed as a C corporation by default, with the entity paying tax on profits and shareholders paying again on dividends. It can elect S corporation treatment if it meets the eligibility requirements, which makes income flow through instead.
The practical upshot: the tax question is largely independent of the legal-form question, and it turns on your income level and how much of it is reasonable compensation versus profit. That is an accountant conversation with your actual numbers, and it is worth having before the first filing rather than after.
Ownership and outside investment
The corporation wins clearly here. Shares are a well-understood instrument, transferring them is routine, and outside investors — particularly institutional ones — generally expect a corporation, often specifically a Delaware one.
LLC membership interests are more flexible in what they can be structured to do, but that flexibility means every deal is bespoke, which is friction when raising money.
If you have no intention of raising outside capital, this consideration mostly disappears.
Multiple owners
With partners, the governing document matters more than the entity choice.
An LLC operating agreement can allocate profits differently from ownership percentages, define decision rights precisely, and set exit terms flexibly. Corporate bylaws plus a shareholder agreement do similar work with more structure.
Either way, the failure mode is identical: partners who never wrote down what happens if one of them wants out, stops contributing, or dies. The entity type does not save you from that. The document does.
How to actually decide
Three questions get most people to an answer:
- Will you seek outside equity investment? If yes, lean corporation and talk to counsel early.
- How much administrative overhead will you genuinely maintain? A corporation whose formalities are ignored is worse than an LLC run properly.
- What do your numbers look like? Bring them to an accountant for the tax classification question specifically.
For a large share of small operating businesses, the answer is an LLC in the state where they operate, with the tax election revisited annually as income grows. But that is a common answer, not your answer.
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Tomorrow: the governing document nobody reads until it matters.