What Type of Business is an LLC? | All You Need to Know
An LLC is one of the most flexible business structures out there — it works just as well for a solo freelancer as it does for a multi-member company the IRS classifies as a "disregarded entity."
As a business consultant who has guided more than 85 clients through LLC formation over the past 3 years, I've seen firsthand which structural choices protect owners — and which ones leave them exposed.
Here's exactly what type of business an LLC is, how its structure works, and what your tax treatment options mean for your bottom line.
Quick Summary
- An LLC is a business structure covering its owners or members from liabilities.
- The structure of a limited liability company can be a corporation, partnership, or sole proprietorship.
- According to IRS Statistics of Income data, LLCs made up 72.7% of all partnership returns filed in tax year 2022 — surpassing all other entity types for the 22nd consecutive year [1].
- Most of my clients often opt for a business structure that can help them enjoy an array of tax benefits, like an S corporation.
What Type of Business Is an LLC?
An LLC, or limited liability company, is a business structure that shields its members from personal responsibility for the company's debts and obligations.
So if your business gets sued or can't pay its bills, your personal assets — your home, your savings, your car — are generally off the table. There are exceptions, and they vary by state, but that protection is the whole point of the LLC structure.
One thing worth knowing: an LLC isn't capped at one person. You can have multiple members, which opens up more flexibility in how you run and grow the company.
"An LLC, or limited liability company, in the U.S. shields its owners from personal liability for company debts and combines features of both corporations and partnerships or sole proprietorships."
- Jon Morgan, CEO, Co-Founder & Editor-in-Chief of Venture Smarter
LLC Structure
One of the biggest reasons LLCs are so popular is flexibility. You can structure them in more than one way.
According to the U.S. Small Business Administration, an LLC can be set up so that owners carry personal liability for business debts — or structured so that personal liability is limited [2]. That's a wider range of options than most business structures give you.
That flexibility is why LLCs attract everyone from solo consultants to larger multi-member operations.
1. LLC as a Sole Proprietorship
A sole proprietorship is owned and run by one person, and traditionally, there's no wall between the owner and the business. That means personal assets are fair game if something goes wrong.
Here's where the LLC changes things: if you set up your business as a single-member LLC, the IRS will treat it as a sole proprietorship by default — but you still get the liability protection that a traditional sole proprietorship doesn't provide. That's a meaningful difference.
Sole proprietors report personal income tax on their tax returns.
They have to pay self-employment taxes, equivalent to Social Security and Medicare, on both incomes earned by the business and personal investment income.
2. LLC as a Partnership
Got two or more owners? If you form an LLC with multiple owners, the IRS will automatically treat your company as a general partnership.
That's actually good news. You get the liability protection of an LLC, the tax pass-through benefits, and the operational simplicity that comes with a limited liability partnership — without having to jump through extra hoops.
And if your situation changes, general partnerships can also elect to be taxed as a corporation, provided they meet the IRS's specific requirements.
3. LLC as a Corporation
Single-member and multi-member LLCs can elect to be taxed as corporations — either a C corp or an S corp. But both come with trade-offs you should understand before making that election.
A C corp election means the LLC files its own tax return and pays corporate taxes at the federal and state level. Profits also show up on the owners' personal returns, but the LLC gets to decide how profits and losses are split among members.
An S corp LLC is taxed like a partnership works differently — by default, all profits and losses pass through directly to the owners, bypassing the corporate tax layer entirely. That's a popular structure for owners who want to reduce self-employment taxes, though it comes with eligibility restrictions worth checking before you go that route.
S Corps are classified as pass-through businesses because business income and losses pass through to the corporation's owners' tax returns.
However, there are also other taxes that pass-through entities are obligated to pay. These include self-employment taxes (Medicare and Social Security) and state and local taxes.
According to the IRS, employers and employees each contribute 6.2% toward Social Security taxes on wages up to the annual wage base limit — set at $184,500 for 2026 — plus a 1.45% Medicare contribution on all wages [3].
An S corporation's earnings and deductions are similar to a partnership's.
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What Does an LLC Offer to Its Owners?
Limited liability companies give owners a real layer of protection. If the business goes bankrupt, your personal assets are typically shielded — we're talking your home, your car, your savings.
Beyond liability protection, LLCs are also cheaper and less administratively burdensome than most other business structures. I've seen clients pay far less in annual fees and compliance costs compared to running a traditional corporation.
The tax angle is worth paying attention to, too. Pass-through taxation LLCs sidestep double taxation by letting members report income directly on their personal tax returns — something a standard C corporation can't do.
This means that the company's income is not taxed separately - once at the corporate level and once again when distributed to shareholders, which is the case with some corporations.
LLCs are also less expensive to set up than other business structures, such as corporations. This can be a significant advantage for businesses starting and having little money to spend.
When LLC Liability Protection Can Be Lost
LLC protection isn't bulletproof. Courts can "pierce the corporate veil" — a legal doctrine that strips away personal liability protection and holds members directly responsible for business debts.
According to Cornell Law School's Legal Information Institute, this happens most often with small, closely-held LLCs. In practice, I've seen 3 behaviors trigger it consistently: mixing personal and business funds, undercapitalizing the LLC when it's formed, and failing to keep proper records.
The fix isn't complicated. Open a dedicated business bank account from day one, document your major decisions in writing, and make sure the LLC is funded well enough to cover what you can reasonably expect to owe. Don't skip these steps — they're what keep the liability shield standing.
FAQs
Is LLC the Best Structure for a Small Business?
An LLC is the best structure for small businesses because it is not expensive to set up or maintain and is easy to manage. It is important to note that different states have varying laws regarding the formation and requirements to establish an LLC.
What Is the Main Difference Between a Professional and a Regular LLC?
The main difference between a professional and a regular LLC is that owners of the former must have licenses, whereas the latter doesn't need them.
What Is the Legal Structure of an LLC?
The legal structure of an LLC is the separation of the company's assets from the personal property of its members. LLCs are popular because they provide limited liability protection to their owners.
References:
- https://www.irs.gov/pub/irs-pdf/p5338.pdf
- https://www.sba.gov/business-guide/launch-your-business/choose-business-structure#
- https://www.irs.gov/taxtopics/tc751
