Montana

Contact for business filings

Phone

(406) 444-3665

Fax

(406) 444-3976

Email

[email protected]

Mail filings to

P.O. Box 202801, Helena, MT 59620-2801

Walk in

State Capitol, Room 260, 1301 6th Avenue, Helena, MT 59620 Business Services physical address

Filing facts

• Form an LLC: $35 state fee
• Register a foreign LLC: $70 state fee
• LLC annual report: $0 state fee
• Franchise tax: applies.
• How you can file an LLC formation: online
• Every Montana corporation and LLC must keep a registered agent with a street address in Montana.

Fees are the statutory amounts on file as of 2026-08-04; the state may add processing or expedite charges.