Short answer: A single-member LLC in Pennsylvania is an LLC with one owner. You form it the same way as any Pennsylvania LLC, by filing a Certificate of Organization with the Department of State for $125, and you file a $7 annual report each year. By default, the IRS and Pennsylvania treat a single-member LLC as a “disregarded entity,” so its profits are reported on the owner’s personal tax return. It can also elect to be taxed as an S corporation.
This guide explains how single-member LLCs work in Pennsylvania, how they are taxed, and how to keep the liability protection that makes them worthwhile.
Why form a single-member LLC?
- Liability protection. In general, the LLC’s debts and lawsuits are the LLC’s, not yours, so your home and personal savings are protected from business claims.
- Simple taxes. By default, there is no separate business income tax return for a single-member LLC.
- Credibility. Customers, lenders and vendors often prefer to deal with a registered business.
- Flexibility. You can add members later or change how the LLC is taxed.
How to form a single-member LLC in PA
- Choose a name and confirm it is available. See our guide to PA LLC name search.
- File a Certificate of Organization with the Department of State. The fee is $125.
- Sign a written operating agreement, even though you are the only owner.
- Get an EIN from the IRS and open a separate business bank account.
- Register for state taxes and any licenses your business needs. See do you need a business license in Pennsylvania.
- File the $7 annual report by September 30 each year.
Our step-by-step guide to how to start an LLC in PA covers each filing, and the PA LLC cost calculator adds up the fees.
How is a single-member LLC taxed in Pennsylvania?
Default: disregarded entity
Unless you choose otherwise, the LLC’s income and expenses are reported on your personal federal return, usually on Schedule C, and on your Pennsylvania personal income tax return. You generally pay self-employment tax on the profits.
Electing S corporation status
A single-member LLC can elect to be taxed as an S corporation. The owner then takes a reasonable salary through payroll, and remaining profits may avoid self-employment tax. This can save money once profits are high enough to cover the extra payroll and accounting costs. Talk with your accountant before you elect.
Local taxes
Some municipalities charge local business taxes, and wages paid through payroll are subject to local earned income tax. Check with your township, borough or city.
Keeping your liability protection
A court can disregard an LLC and hold the owner personally liable in some situations, often called “piercing the veil.” Single-member LLCs are especially at risk when the owner treats the business as an extension of themselves. Protect yourself by:
- Keeping business and personal money in separate accounts
- Signing contracts in the LLC’s name, as a member or manager
- Keeping the LLC adequately funded and insured
- Following your operating agreement and keeping basic records
- Filing the annual report so the LLC stays in good standing
Single-member LLC operating agreements
Pennsylvania does not require a written operating agreement, but one is especially valuable for a single-member LLC. It helps show the LLC is a separate business, banks often ask for one, and it can name who takes over if you die or become incapacitated, so the business can keep running while your estate is settled. That last point ties your LLC to your estate plan.
Single-member LLC vs. sole proprietorship
A sole proprietorship needs no formation filing, and if you use a business name you register a fictitious name for $70. But you are personally responsible for all business debts. A single-member LLC costs a little more to form and maintain, but adds a layer of protection between your business and your personal assets.
Frequently asked questions
Does a single-member LLC need an EIN in Pennsylvania?
Not always for federal income tax, but you will need one if you have employees or elect S corporation status, and most banks require one to open a business account.
Does a single-member LLC file a separate tax return?
Not by default. Its income is reported on the owner’s personal returns. If it elects S corporation treatment, it files a separate return.
Can a single-member LLC have employees?
Yes. It will need an EIN and must register for payroll withholding and unemployment compensation.
Can I convert my single-member LLC to a multi-member LLC?
Yes. You can admit new members, which usually changes how the LLC is taxed. Update your operating agreement first, because that is where ownership, voting and buyout terms belong.
Starting a business on your own? Kostrub Law Firm helps owners in Washington County and the Pittsburgh area with business formation and operating agreements. Call (304) 982-1586.