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Promote:Montana

Invest in Montana

A short guide for companies expanding into Montana: the economy at a glance, the rules and steps to set up, and who can help, each with its source.

1. Montana at a glance

Currency and inflation: see the United States at a glance

2. Before you set up

The body that handles foreign investment, any one-stop route, Montana’s limits on foreign ownership, the zones and other rules for investors, as the guide found them.

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Investment rules across the United States: see Invest in the United States

3. Steps to set up

The main steps, in order, each with the body responsible and its official page.

Setting up in Montana

  1. Obtain a certificate of authority from the Secretary of State before a foreign limited liability company transacts business in Montana.Montana Secretary of StateOfficial page⁠ (opens in a new tab)

    Source: Montana Code Annotated 2025, section 35-8-1001⁠ (opens in a new tab) · as of 2025

  2. Register for a withholding tax account through the TransAction Portal or Form GenReg before you pay wages in Montana.Montana Department of RevenueOfficial page⁠ (opens in a new tab)

    Source: Montana Department of Revenue, withholding accounts⁠ (opens in a new tab) · as of November 4, 2026

  3. File a Montana corporate income tax return, electronically through approved software, if you are a C corporation doing business in the state.Montana Department of RevenueOfficial page⁠ (opens in a new tab)

    Source: Montana Department of Revenue, corporate income tax⁠ (opens in a new tab) · as of November 4, 2026

  4. Register for unemployment insurance through UI eServices for Employers before you hire.Montana Department of Labor & IndustryOfficial page⁠ (opens in a new tab)

    Source: Montana Department of Labor and Industry, UI eServices for employers⁠ (opens in a new tab) · as of November 4, 2026

Show 1 more set-up step
  1. Check the state business licenses your activity needs, using the Small Business Development Center's licensing guide.Montana Small Business Development Center NetworkOfficial page⁠ (opens in a new tab)

    Source: Montana Small Business Development Center, business licensing⁠ (opens in a new tab) · as of November 4, 2026

Steps that apply across the United States: see Invest in the United States

4. Organizations that help investors

Start with Commerce Department and Montana SBDC. Each card links to the organization’s own site.

Each card says what it can help with:Get adviceFind financeMeet requirementsResearch markets

Investment and business setup

Show 1 more organization

Customs and tax

Chambers and industry associations

Show 1 more organization

5. Worth knowing

Across the United States: see Worth knowing in Invest in the United States

6. How Promote:Global helps

  • Compare the United States with other countriesSet the United States beside other countries on investment momentum, fundamentals and trade access, before site, tax and legal work.
  • Find advisors and service firmsAsk an advisory firm a scoped, paid question, or browse firms that list their own services, from legal work to logistics.
  • Organize your next stepsKeep each product and market in a project, with a roadmap of steps you work through.

Turn this guide into your Montana project.

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Promote:Montana is an independent guide by Promote:Global, not an official government portal. The organizations named here are independent public and membership bodies, not Promote:Global partners, and every link goes to their own site.

Facts read from public sources, with an editorial cut-off of November 4, 2026. Nothing here is investment, legal, tax or sanctions advice. Check current status with the organization before you rely on it.