Form a Business in Montana
Filing fees, deadlines, registered agent rules, and tax structure for Montana, verified against the Montana Secretary of State Christi Jacobsen, Business Services Division on Jun 11, 2026.
Montana at a glance
What makes Montana different
- MT ANNUAL REPORT FEE WAIVED for 2024-2027 by SOS Christi Jacobsen. Free if filed Jan 1 - Apr 15. $35 if late. Four-year consecutive waiver.
- AR due April 15 (calendar-fixed, NOT anniversary).
- LLC formation $35 among lowest US (MT and KY share lowest).
- NO SALES TAX in Montana. One of only 5 zero-sales-tax states (AK, DE, MT, NH, OR).
- Personal Income Tax progressive 4.7% to 5.65% in 2026 (top rate reduced from 5.9% via HB337). 4.7% bracket extended.
- Corp Income Tax 6.75% flat
- Series LLC PERMITTED under Mont. Code Ann. § 35-8-304.
- No publication requirement.
Montana tax structure
no state personal income tax, no corporate income tax, no state sales tax.
For detailed tax planning, see the Montana Secretary of State Christi Jacobsen, Business Services Division and the Montana Department of Revenue. File.Business is not a tax preparer, consult a CPA for personalized advice.
Ready to file in Montana?
We handle Articles of Organization, registered agent service, annual report monitoring, and ongoing compliance, backed by our canonical Montana ruleset (re-verified quarterly against Montana Secretary of State Christi Jacobsen, Business Services Division).
Filing portal: https://biz.sosmt.gov/
At a glance
- What is it
- Form a business in montana is a regulated business process governed by federal or state agencies. File.Business handles the paperwork, filings, and tracking for you.
- Why it matters
- Doing this correctly the first time avoids penalties, late fees, and personal liability exposure for owners.
- Who needs it
- Any US business that has triggered the relevant requirement - usually based on entity type, state, or business activity.
- When it is due
- Deadlines vary by agency and state. We track your specific dates and remind you ahead of any filing window.
- How it works
- Tell us what you need, review the prepared filing, and we submit through the agency's official channel.
- What it costs
- Pricing is shown on this page with state and federal fees disclosed separately from our service fee.
- Risks of skipping
- Penalties, administrative dissolution, loss of liability shield, blocked transactions, or audit triggers depending on the filing.
- Alternatives
- File directly with the agency yourself, hire a law firm, or use a competing service. File.Business is the fastest premium option.