How Much Does a DBA Cost in Louisiana? (2026)
A DBA (“doing business as”) in Louisiana costs $75, filed with the Secretary of State (state level). No newspaper publication is required. Registration renews: 10 years.
Verified July 2026 from official sources. How we verify fees.
What it costs and where to file in Louisiana
- Filing fee: $75
- Filed at: State level
- Newspaper publication: Not required
- Renewal: 10 years
Good to know
Trade-name registration is optional for a sole proprietor and filed through geauxBIZ. A DBA lets a sole proprietor or existing business operate under a different name — it is not a business entity and offers no liability protection. If you want that, compare the cost of forming an LLC in Louisiana.
Frequently asked questions
How much does a DBA cost in Louisiana?
$75, filed with the Secretary of State (state level).
Where do I file a DBA in Louisiana?
You file with the Secretary of State (state level).
Does a Louisiana DBA expire?
Renewal: 10 years.