Montana Secretary of State forms: every filing you might need.
A complete directory of Montana Secretary of State business filings. Each form below covers the fee, who files it, and a link to handle it through File.Business.
Frequently asked questions
Where do I find Montana SOS forms?
How much does it cost to file forms with the Montana SOS?
Can I file all Montana forms online?
Does File.Business handle all Montana forms?
What is the difference between the Montana Secretary of State and the Department of Revenue?
How long do Montana filings take to process?
Can I track my Montana filing through File.Business?
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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 or any Secretary of State office. You may file directly with the Montana Secretary of State. 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 as of June 2026 and may change. For entity-specific guidance, consult a licensed Montana attorney or CPA.