Montana annual report: fees, deadlines, and how to file.
Everything you need to know about the Montana annual report: who must file, when it is due, what it costs, and how to file in 5 minutes.
Who files, when, and what it costs
Who must file
Every Montana LLC, Corporation, and Limited Partnership in active status. Foreign-qualified entities also file.
When it is due
LLCs: April 15.
Corporations: April 15.
What it costs
LLC fee: $20. Corp: $20.
Late fee: $15 late fee after April 15.
If you miss the deadline
Montana applies the late fee. After 1 year past Annual Report deadline, the state administratively dissolves the entity.
Frequently asked questions
When is the Montana annual report due?
How much does the Montana annual report cost?
What happens if I miss the Montana AR deadline?
Can I file the Montana annual report late?
Who must file an annual report in Montana?
Can File.Business file my Montana annual report?
Is there a Montana annual report extension?
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Five minutes per filing. State fee passed through at cost. Audit trail and deadline tracking included.
Disclosure. File.Business is a private business filing and compliance service. We are not a government agency and are not affiliated with the Montana Secretary of State, Business Services Division or any Secretary of State office. You may file directly with the Montana Secretary of State, Business Services Division. Information on this page is for general guidance only and is not legal, tax, or accounting advice. Fees and deadlines verified against the Montana Secretary of State, Business Services Division as of June 2026 and may change. For entity-specific guidance, consult a licensed Montana attorney or CPA.