A limited liability company (LLC) combines attributes from both corporations and partnerships (or for one-person LLCs, sole proprietorships): the corporation’s protection from personal liability for business debts and the simpler tax structure of partnerships. And while setting up an LLC is more difficult than creating a partnership or sole proprietorship, running one is significantly easier than running a corporation.

Number of members
Contrary to what you may have learned just a few years ago, you can now form an LLC with just one person in every state except Massachusetts, which requires an LLC to have two owners (technically called members). If you want to form a one-member LLC in Massachusetts and you are married, you can make your spouse your LLC’s second member.

While there’s no maximum number of owners that an LLC can have, for practical reasons you’ll probably want to keep the group small. An LLC that’s actively owned and operated by more than about five people risks problems with maintaining good communication and reaching consensus among the owners.

Limited personal liability
Like shareholders of a corporation, all LLC owners are protected from personal liability for business debts and claims. This means that if the business itself can’t pay a creditor — such as a supplier, a lender or a landlord — the creditor cannot legally come after any LLC member’s house, car or other personal possessions. Because only LLC assets are used to pay off business debts, LLC owners stand to lose only the money that they’ve invested in the LLC. This feature is often called “limited liability.”

Exceptions to limited liability
While LLC owners enjoy limited personal liability for many of their business transactions, it is important to realize that this protection is not absolute. This drawback is not unique to LLCs, however — the same exceptions apply to corporations. An LLC owner can be held personally liable if he or she:

  • personally and directly injures someone
  • personally guarantees a bank loan or a business debt on which the LLC defaults
  • fails to deposit taxes withheld from employees’ wages
  • intentionally does something fraudulent, illegal, or clearly wrong-headed that causes harm to the company or to someone else, or
  • treats the LLC as an extension of his or her personal affairs, rather than as a separate legal entity.

This last exception is the most important. In some circumstances, a court might say that the LLC doesn’t really exist and find that its owners are really doing business as individuals, who are personally liable for their acts. To keep this from happening, make sure you and your co-owners:

  • Act fairly and legally. Do not conceal or misrepresent material facts or the state of your finances to vendors, creditors or other outsiders.
  • Fund your LLC adequately. Invest enough cash into the business so that your LLC can meet foreseeable expenses and liabilities.
  • Keep LLC and personal business separate. Get a federal employer identification number, open up a business-only checking account, and keep your personal finances out of your LLC accounting books.
  • Create an operating agreement. Having a formal written operating agreement lends credibility to your LLC’s separate existence.

Business insurance
A good liability insurance policy can shield your personal assets when limited liability protection does not. For instance, if you are a massage therapist and you accidentally injure a client’s back, your liability insurance policy should cover you. Insurance can also protect your personal assets in the event that your limited liability status is ignored by a court.

In addition to protecting your personal assets in such situations, insurance can protect your corporate assets from lawsuits and claims. Be aware, however, that commercial insurance usually does not protect personal or corporate assets from unpaid business debts, whether or not they’re personally guaranteed.

LLC taxes
Unlike a corporation, an LLC is not considered separate from its owners for tax purposes. Instead, it is what the IRS calls a “pass-through entity,” like a partnership or sole proprietorship. This means that business income passes through the business to each LLC member, who reports his share of profits — or losses — on his individual income tax return. Each LLC member must make quarterly estimated tax payments to the IRS.

While an LLC itself doesn’t pay taxes, co-owned LLCs must file Form 1065, an informational return, with the IRS each year. This form, the same one that a partnership files, sets out each LLC member’s share of the LLC’s profits (or losses), which the IRS reviews to make sure the LLC members are correctly reporting their income.

For more information on LLC taxes, see How LLCs are taxed.

LLC management
The owners of most small LLCs participate equally in the management of their business. This arrangement is called “member management.”

The alternative management structure — somewhat awkwardly called “manager management” — means that you designate one or more owners (or even an outsider) to take responsibility for managing the LLC. The nonmanaging owners (sometimes family members who have invested in the company) simply sit back and share in LLC profits. In a manager-managed LLC, only the named managers get to vote on management decisions and act as agents of the LLC. Choosing manager management, however, can complicate securities issues for your LLC.

Forming an LLC
To create an LLC, you begin by filing “articles of organization” with the LLC division of your state government. This office is often in the same department as the corporations division, which is usually part of the Secretary of State’s office. Filing fees are typically $100 or less.

Many states supply a blank one-page form for the articles of organization, on which you need only specify a few basic details about your LLC, such as its name and address and contact information for a person involved with the LLC (usually called a “registered agent”) who will receive legal papers on its behalf. Some states also require you to list the names and addresses of the LLC members.

In addition to filing articles of organization, you must create a written LLC operating agreement. While you don’t have to file your operating agreement with the state, it’s a crucial document because it sets out the LLC members’ rights and responsibilities, their percentage interests in the business and their share of the profits.

Finally, your LLC must fulfill the same local registration requirements as any new business, such as applying for a business license and registering a fictitious or assumed business name.

To learn more about these and other details involved in setting up an LLC, read How to form a Limited Liability Corporation (LLC) .

Ending an LLC
Under the laws of many states, unless your operating agreement says otherwise, when one member wants to leave the LLC, the company dissolves. In that case, the LLC members must fulfill any remaining business obligations, pay off all debts, divide any assets and profits among themselves, and then decide whether they want to start a new LLC to continue the business with the remaining members.

Your LLC operating agreement can prevent this kind of abrupt ending to your business by including “buy-sell” provisions, which set up guidelines for what will happen when one member retires, dies, becomes disabled or leaves the LLC to pursue other interests. (See Plan for changes in LLC ownership with buy-sell provisions for more information.)

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