How Much Does a DBA Cost in Montana? (2026)
A DBA (“doing business as”) in Montana costs $20, filed with the Secretary of State (state level). No newspaper publication is required. Registration renews: 5 years.
Verified July 2026 from official sources. How we verify fees.
What it costs and where to file in Montana
- Filing fee: $20
- Filed at: State level
- Newspaper publication: Not required
- Renewal: 5 years
Good to know
Online filing only through the Secretary of State's portal. 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 Montana.
Frequently asked questions
How much does a DBA cost in Montana?
$20, filed with the Secretary of State (state level).
Where do I file a DBA in Montana?
You file with the Secretary of State (state level).
Does a Montana DBA expire?
Renewal: 5 years.