Form a LLC in Montana

Everything you need to know about forming a LLC in Montana. Filing fees, requirements, timeline, and step-by-step guidance.

$70

Filing Fee

5-10 business days

Processing Time

Required

Registered Agent

How to File

Select a name ending in 'LLC' or 'Limited Liability Company' and verify availability through Montana SOS name search.

30 minutes

Designate a registered agent with a Montana street address to receive legal documents on behalf of the LLC.

15 minutes

Submit Form LLC-1 to the Montana Secretary of State with required information and filing fee.

45 minutes

Draft an operating agreement outlining ownership structure, management, and operational procedures (recommended but not required).

2-3 hours

Once your LLC is officially formed, you'll want to complete these important steps:

•Obtain EIN from IRS — Apply for a federal Employer Identification Number online through the IRS website for tax purposes.
•File Initial Report — Submit the initial report within 60 days of filing Articles of Organization with current member information.

Annual Report Fee:$20

Report Due:April 15

Annual report must be filed by April 15th each year with $20 fee. Late filing penalty of $10 applies after due date.

Last verified: December 2025Source

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Every task you need, organized by priority and tailored to Montana.

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Get a personalized checklist for forming your LLC in Montana — and everything that comes after.