How to Name Your LLC in Pennsylvania
Learn the rules for naming an LLC in Pennsylvania — required designators, name availability search, fictitious names, and how to reserve your business name with the PA Department of State.
Bizee Editorial Staff
Editorial Team
Pennsylvania LLC at a glance
Filing fee: $125 (Certificate of Organization)
Processing time: 7–10 business days (standard); expedited options available
State agency: Pennsylvania Department of State, Bureau of Corporations and Charitable Organizations
Annual report due: No annual report required for Pennsylvania LLCs
State tax rate: No state-level LLC franchise tax; Pennsylvania personal income tax rate is 3.07%
Pennsylvania LLC naming rules
To name an LLC in Pennsylvania, your business name must be unique in the state, include a required designator like "LLC" or "L.L.C.," and pass a name availability search through the Pennsylvania Department of State. Pennsylvania also has specific rules around fictitious names and name reservation that are worth knowing before you file.
The name you choose will appear on your Certificate of Organization and all official state records, so it's worth getting right before you file. A name that's already taken or missing a required designator will be rejected by the Pennsylvania Department of State.
Required name designators
Every Pennsylvania LLC name must include one of the following designators to indicate its limited liability status. The Pennsylvania Department of State will reject your Certificate of Organization if the designator is missing.
Limited Liability Company (spelled out in full)
LLC
L.L.C.
Ltd. (accepted as an abbreviation for limited liability company in Pennsylvania)
Pennsylvania is one of the few states that also accepts "Ltd." as a valid LLC designator — a detail that catches some founders off guard when they see it on official documents.
How to check LLC name availability in PA
Your LLC name must be distinguishable from every other registered business name in Pennsylvania. Two businesses can't share the same name — or a name so similar it would cause confusion — in the state's records.
Search the Pennsylvania Department of State's business name database before you file. The search is free and available through the PA Business One-Stop Shop portal. Run your preferred name and any close variations — if another LLC or corporation already holds the name, you'll need to choose something different.
A name that clears the state search isn't automatically available as a trademark or domain. Check both separately if you plan to build a brand around the name.
Fictitious names in Pennsylvania
Pennsylvania allows LLCs to do business under a name that's different from their legal registered name. This is called a fictitious name — sometimes referred to as a "DBA" (doing business as) in other states.
To use a fictitious name in Pennsylvania, you need to register it with the Pennsylvania Department of State. The fictitious name must also be distinguishable from other registered names in the state. This is a common path for LLCs that want a customer-facing brand name that differs from their legal entity name.
How to reserve a business name in PA
If you've found a name you want but aren't ready to file your LLC yet, Pennsylvania lets you reserve it. A name reservation holds the name for 120 days while you get the rest of your formation documents in order.
File a Name Reservation application with the Pennsylvania Department of State to hold your name. The reservation doesn't form your LLC — it just keeps the name off the table for other filers while you prepare. If you're not ready to file within 120 days, you'll need to renew or refile.
FAQ
Search the Pennsylvania Department of State's business name database through the PA Business One-Stop Shop portal. The search is free. Enter your preferred name and any close variations to see whether another LLC or corporation already holds it. If the name is taken, you'll need to choose something distinguishable before filing your Certificate of Organization.
Yes, there are 2 layers of rules. First, your name must be unique — no other LLC or corporation in Pennsylvania can have the same or a confusingly similar name. Second, your name must include a required designator: "Limited Liability Company," "LLC," "L.L.C.," or "Ltd." The Pennsylvania Department of State will reject your filing if either requirement isn't met.
Yes. Pennsylvania allows LLCs to register and operate under a fictitious name — what other states call a DBA. You'll need to register the fictitious name with the Pennsylvania Department of State, and it must be distinguishable from other registered names in the state. This is a common option for LLCs that want a separate customer-facing brand name.
Yes. The Pennsylvania Department of State lets you reserve a business name for 120 days by filing a Name Reservation application. The reservation holds the name while you prepare your formation documents — it doesn't form your LLC. If you're not ready to file within 120 days, you'll need to renew the reservation.
Your Pennsylvania LLC name must include one of these designators: "Limited Liability Company" (spelled out), "LLC," "L.L.C.," or "Ltd." Pennsylvania is one of the few states that accepts "Ltd." as a valid LLC designator. The Pennsylvania Department of State will reject your Certificate of Organization if none of these appear in the name.
Your LLC's legal name gets registered when you file your Certificate of Organization with the Pennsylvania Department of State — the $125 state filing fee covers this. If you want to operate under a different name, register a fictitious name separately through the same agency. Both filings go through the Bureau of Corporations and Charitable Organizations.
