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Indiana LLC Name Search | LLC School
Indiana LLC · Step 1 of 8 · Check current official instructions

Indiana LLC Name Search — Step 1 of 8

Indiana's naming rules are refreshingly simple compared to most states — but there's one quirk: the state ignores your designator when checking for conflicts. Here's how to pick a name that clears review.

Ahmad AdilWritten by Ahmad Adil, LLC School · Check current official instructions
IN Search LLC Name...
Quick Answer

Use Limited Liability Company, LLC or L.L.C. and a distinguishable core name. Changing only the entity designator does not establish distinguishability. An Indiana name reservation is optional and lasts 120 days. The statutory filing fee and enhanced-access or processing charges are separate. Confirm the actual INBiz transaction total before payment. A preliminary search or formatting check does not reserve a name or establish trademark rights.

Step 1 — Fast Facts
Search tool
Free
Accepted designators
LLC, L.L.C.
"Ltd." / "Co." accepted?
No
Name reservation
Optional 120 days; confirm INBiz total
Designator counted?
Ignored in check
Governing law
IC 23-0.5-3
Next step
Step 2 →

Indiana Naming Rules

Under Indiana Code 23-0.5-3, every Indiana LLC name must follow a few clear rules:

  • Include a designator — "Limited Liability Company," "LLC," or "L.L.C." must appear in the name.
  • "Ltd." and "Co." are not accepted as substitutes for the required designator.
  • Be distinguishable — your name can't be identical, or confusingly similar, to any other business name on file with the Indiana Secretary of State.
  • Indiana ignores your designator when checking uniqueness — "ABC, LLC" is treated as conflicting with an existing "ABC, Inc." even though the designators differ.
  • Can't imply another business structure — terms like "Corporation," "Corp.," or "Inc." aren't allowed since they're reserved for corporations.
  • Notably permissive on restricted words — Indiana doesn't maintain a statutory list of banned words like many states, though terms such as "Bank" or "Insurance" may still be limited by separate regulatory rules outside the naming statute.

Name Search and Reservation Planning

Choose a topic below to review the current search and optional reservation requirements. Only the state can determine name acceptance.

Indiana name planning

An Indiana name reservation is optional and lasts 120 days. The statutory filing fee and enhanced-access or processing charges are separate. Confirm the actual INBiz transaction total before payment. A preliminary search or formatting check does not reserve a name or establish trademark rights.

Use the official state search and current naming rules. A search is preliminary; acceptance and trademark rights are separate.

Reserving Your Name (Optional)

  • Not required, but available — if you're not ready to file your Articles of Organization yet, you can reserve your chosen name for 120 days through INBiz for $20.
  • One of the longest reservation windows around — 120 days gives you more runway than the 90 or 60 days offered by some neighboring states.
  • Doesn't create your LLC — reservation only protects the name; you still need to file the Articles of Organization separately to legally form your company.
  • Assumed name option — if you want to operate under a different public-facing name, Indiana lets you register a "Certificate of Assumed Business Name" ($21 online) with your county recorder.

Don't assume your designator makes a name uniqueA lot of founders assume changing "Inc." to "LLC" is enough to differentiate a name — Indiana explicitly disagrees. Since designators are ignored during the uniqueness check, focus on making the core, non-designator part of your name genuinely distinct before you file.

Ahmad Adil's Take: Indiana's naming rules are honestly some of the simplest in the country — no long restricted-word list, and a well-designed INBiz search tool. The designator-ignoring quirk is the one thing to watch for; run your search on the core name only, mentally stripping out "LLC" or "Inc." to see what you're really up against.
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Optional reservation and separate charges

An Indiana name reservation is optional and lasts 120 days. The statutory filing fee and enhanced-access or processing charges are separate. Confirm the actual INBiz transaction total before payment. A preliminary search or formatting check does not reserve a name or establish trademark rights.

Current official requirements

Frequently Asked Questions

Indiana LLC Name Search — FAQ

What designators can an Indiana LLC name use?
"Limited Liability Company," "LLC," or "L.L.C." — Indiana does not accept "Ltd." or "Co." as substitutes.
Does Indiana ignore the designator when checking name availability?
Yes — Indiana ignores designators like "LLC" or "Inc." when evaluating uniqueness, so "ABC, LLC" would conflict with an existing "ABC, Inc."
How do I check if my Indiana LLC name is available?
Use the free business entity search on INBiz, the Indiana Secretary of State's business portal, to check whether your desired name is already taken.
How much does it cost to reserve an Indiana LLC name?
An Indiana name reservation is optional and lasts 120 days. The statutory filing fee and enhanced-access or processing charges are separate. Confirm the actual INBiz transaction total before payment. A preliminary search or formatting check does not reserve a name or establish trademark rights.
Does Indiana restrict specific words in LLC names?
Indiana doesn't maintain a formal statutory list of restricted words like many states, though terms like "Bank" or "Insurance" may still be limited by separate regulatory rules outside the naming statute.
Can I change my Indiana LLC's name later?
Yes — file an amendment to your Articles of Organization through INBiz to legally change your LLC's name.
What is a DBA in Indiana?
An Indiana LLC files its assumed-business-name certificate through the Secretary of State/INBiz. County-recorder procedures apply to other business forms. Confirm the current filing and access charges for the transaction.
Ahmad Adil, founder of LLC School
About the Author
Ahmad Adil

Ahmad Adil is the founder and CEO of LLC School. For filing and ongoing compliance, confirm the requirements with the responsible state agency. This is educational information, not legal or tax advice.

About Ahmad Adil → Indiana LLC Overview →
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