🌟 Why Montana is Business-Friendly

Montana is a top-ranked state for entrepreneurs, thanks to low state taxes, minimal fees, and no sales tax. But even with fewer layers, navigating business & individual tax filings requires accuracy and timeliness.

At Corpulate, whether you’re in-state or abroad, we make your Montana tax compliance seamless—from LLC or corporation formation to federal and state tax filings.


1. Formation & Annual Fees

  • LLC Filing Fee: $35 (Articles of Organization)
  • Annual Report: $20 due April 15 (waived for 2025)
  • Corp Formation Fee: $35 (Articles of Incorporation)
  • Foreign LLC Registration: $70 fee 
    Corpulate helps: We set up your LLC or C‑Corp with filing and agent service, and automatically submit your annual reports.

2. State Corporate Income Tax (C‑Corp)

  • Rate: Flat 6.75% on taxable income, with a $50 minimum 
  • Alternative Tax: 0.5% on gross revenue < $100k if no real estate leases/purchases
    The 6.75% license tax, fileable via Montana CLT-4, is due by the 5th month after fiscal year-end.
    Corpulate helps: We calculate your corporate tax or alternative tax and prepare Form CLT-4 accurately.

3. Pass-Through Entities (LLC/S‑Corp)

  • State Income Tax Brackets: 1%–6.75% (top rate applies over ~$20,000 filing) 
  • Filing Requirements: Montana PTE return (Form PTE + K‑1); composite or withholding on non-resident owners
    Corpulate helps: We file your federal 1040 with Schedule C/K-1 and Montana PTE, manage non-resident tax obligations, and help optimize tax elections.

4. No State Sales Tax

Montana remains one of the few states with no sales tax, offering a pricing advantage
Note: Resort areas may impose lodging or local taxes 
Corpulate helps: We advise on local taxes and streamline setup, enabling you to remain compliant in resort markets.


5. Employer & Withholding Taxes

  • Withholding: Employers pay MT state withholding; file via Form MW-1 and annual MW-3 by Jan 31
  • Unemployment Insurance: UI tax on first $40,500 wages; rates from ~0–6% 
    Corpulate helps: We handle registrations, payroll withholding, and quarterly UI filings so you’re audit-ready.

6. Property & Specialty State Taxes

  • Property Tax: Ad valorem tax on business-held real/personal property; rates vary
  • Other Tax: Excise on alcohol, mineral royalty, and lodging tax in some districts 
    Corpulate helps: We guide you on exemptions and coordinate timely filings for relevant local and excise taxes.

7. Federal Taxes

Entity TypeFederal Tax Rate
LLC/S‑Corp10%–37% (personal income tax)
C‑Corp21% flat (Form 1120)

Don’t forget FICA/self-employment taxes (15.3%) for LLC owners (venturesmarter.com, en.wikipedia.org)
Corpulate helps: We prepare all relevant IRS filings including 1040, 1120, 1065, state, and federal payroll returns.


🧭 Summary Table: Montana Business Taxes

Tax TypeLLC / S‑CorpC‑Corporation
Formation Fee$35$35 (domestic); $70 foreign
Annual Report$20/year$20/year
State Income Tax1%–6.75% pass-through6.75% flat
Corporate Tax FilingForm PTE (withholding/composite)Form CLT‑4
Sales TaxNone (resort/local exceptions)Same
Withholding & UIMW-1/MW-3 + UI (1%–6%)Same
Property & Local Excise TaxesApplies as neededSame
Federal Tax10–37% (owner income); 21% for corp21% on corporate income

🤝 How Corpulate Can Help You in Montana

  • Entity Formation & Registration (LLC/C‑Corp)
  • Annual Reports & Compliance before deadlines
  • State & Federal Tax Filings, including composite & withholding
  • Payroll & UI Tax Management
  • Resort Lodging/Excise Tax Assistance
  • Personal & Business Tax Returns for residents & non-residents
  • Audit-ready recordkeeping with integrated tech systems

With Corpulate, your Montana business is fully compliant, optimized, and tax-efficient—whether you’re local or abroad.

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