Montana requires every LLC and corporation to keep a registered agent with a Montana street address. You can be your own agent (A registered agent must have a physical and mailing address in Montana. If you do not have one, you..., full wording under the statute below). Changing your agent costs $0 for an LLC and $0 for a corporation. The Annual Report is due April 15. If you have no agent: The penalty is not stated on the pages we read. Hiring an agent costs $125 to $249 a year at renewal on the providers' own sites, read 2026-09-08; first-year offers run lower.
This page is general information, not legal advice. State fees, forms and deadlines change. Every fact is quoted from the state filing office or statute with the date we read it. Confirm on the official page before you file. Terms of use.
How to change your registered agent in Montana
Three steps. Most owners finish online in under fifteen minutes.
- Choose the new agent. You can be your own agent (A registered agent must have a physical and mailing address in Montana. If you do not have one, you..., full wording under the statute below). Or hire a service from the price table below; they give you their Montana street address to put on the form.
- File online. Visit the online filing portal at https://biz.sosmt.gov/. Sign in, search for the business by name or folder ID, open the record, click Filing Actions in the slide-out bar, then scroll down to select and complete the 'Registered Agent/Office Change by Entity.' Open biz.sosmt.gov
- Or file the paper form. Statement of Change - Registered Office/Agent/Both, from the Montana Secretary of State, Business Services. Mail it to: Montana Secretary of State, Business Services, State Capitol, Room 260, 1301 6th Avenue, Helena, MT 59620 (mailing address: P.O. Box 202801, Helena, MT 59620-2801). Open the Montana filing office
- Pay the fee. Changing your agent costs $0 for an LLC and $0 for a corporation. Keep the confirmation; the new agent is effective when the state records it.
Mail or visit: Montana Secretary of State, Business Services, State Capitol, Room 260, 1301 6th Avenue, Helena, MT 59620 (mailing address: P.O. Box 202801, Helena, MT 59620-2801) Open in maps
What a registered agent costs in Montana
Yearly fee from each provider's own site on the date shown: what a new customer pays the first year, and what it renews at. Sorted by renewal price, because that is what you pay every year after. "No link" means we have no agreement with that provider; it is listed on the same terms. Best is not always the one we earn from, and we say which is which.
| Provider | First year | Renews at | Terms and what is included |
|---|---|---|---|
| Northwest Registered Agentno link, no agreement | $125 | $125 | Same price every year, per its page
|
| Harbor Complianceno link, no agreement | $99 | $149 | Renews at 149 per year after the first
|
| Bizeeno link, no agreement | $149 | $149 | 149 per year standalone or on renewal; first year free only with a bizee formation
|
| ZenBusinessno link, no agreement | $99 | $199 | Renews at 199 per year
|
| LegalZoomno link, no agreement | $249 | $249 | Auto-renews; renewal rate subject to change, per its page
|
What switching to the cheapest renewal saves
| If you renew with | Renews at | Saved per year | Over 3 years |
|---|---|---|---|
| LegalZoom | $249 | $124 | $372 |
| ZenBusiness | $199 | $74 | $222 |
| Harbor Compliance | $149 | $24 | $72 |
| Bizee | $149 | $24 | $72 |
Compared with Northwest Registered Agent at $125 a year, prices read 2026-09-08. Switching costs the state change fee shown above, once.
Type your current renewal price to see the saving.
Advertising disclosure. Some provider names on this page are links to that provider's site through an affiliate network. If you buy through one of those links we may earn a commission. The price you pay does not change. Providers we have no agreement with are listed without a link and ranked by the same rules. Disclosed under the US FTC Endorsement Guides and the Norwegian Marketing Control Act.
Montana at a glance
Fees, forms and deadlines
| Item | Montana |
|---|---|
| Filing office | Montana Secretary of State, Business Services biz.sosmt.gov/Source: help.sosmt.gov/en-us/article/find-or-change-a-registered-agent-434c4c, read 2026-09-08 |
| Registered agent statute (LLC) | Mont. Code Ann. § 35-7-114Source: leg.mt.gov/bills/mca/title_0350/chapter_0070/part_0010/section_0140/03, read 2026-09-08 |
| Registered agent statute (corporation) | Mont. Code Ann. § 35-7-114Source: leg.mt.gov/bills/mca/title_0350/chapter_0070/part_0010/section_0140/03, read 2026-09-08 |
| Change of agent form | Statement of Change - Registered Office/Agent/Both (online filing available)Source: sosmt.gov/business/fees/, read 2026-09-08 |
| Change of agent fee, LLC | $0Source: sosmt.gov/business/fees/, read 2026-09-08 |
| Change of agent fee, corporation | $0Source: sosmt.gov/business/fees/, read 2026-09-08 |
| Annual Report due | April 15Source: sosmt.gov/business/fees/, read 2026-09-08 |
| Annual report fee, LLC | $0Source: sosmt.gov/business/fees/, read 2026-09-08 |
| Annual report fee, corporation | $0Source: sosmt.gov/business/fees/, read 2026-09-08 |
| Late fee | $35Source: sosmt.gov/business/fees/, read 2026-09-08 |
| No agent on file | The penalty is not stated on the pages we read |
| Be your own agent | You can be your own agent (A registered agent must have a physical and mailing address in Montana. If you do not have one, you..., full wording under the statute below)Source: help.sosmt.gov/en/article/i-was-informed-that-i-must-register-my-busin, read 2026-09-08 |
What the statute says
The only duties under this chapter of a registered agent that has complied with this chapter are: (1) to forward to the represented entity at the address most recently supplied to the agent by the entity any process, notice, or demand that is served on the agent.
Mont. Code Ann. § 35-7-114, read 2026-09-08
A registered agent is the person or company the state and the courts send legal papers to. The agent must have a street address in Montana, not a PO box, and be available during business hours. You can be your own agent (A registered agent must have a physical and mailing address in Montana. If you do not have one, you..., full wording under the statute below).
Annual report and what happens without an agent
The Annual Report is due April 15. Fee: $0 for an LLC, $0 for a corporation. Late fee: $35.
Without an agent on file: The penalty is not stated on the pages we read. In practice that means missed lawsuits and a company that can lose its good standing.
Sources and dates
- https://help.sosmt.gov/en-us/article/find-or-change-a-registered-agent-434c4c, read 2026-09-08
- https://leg.mt.gov/bills/mca/title_0350/chapter_0070/part_0010/section_0140/0350-0070-0010-0140.html, read 2026-09-08
- https://sosmt.gov/business/fees/, read 2026-09-08
- https://help.sosmt.gov/en/article/i-was-informed-that-i-must-register-my-business-as-a-foreign-entity-to-obtain-an-insurance-license-as-a-registered-agent-should-i-list-mys-1236z03, read 2026-09-08
- https://www.northwestregisteredagent.com/registered-agent, read 2026-09-08
- https://www.harborcompliance.com/registered-agent-service, read 2026-09-08
- https://bizee.com/business-management/registered-agent, read 2026-09-08
- https://www.zenbusiness.com/registered-agent-service/, read 2026-09-08
- https://www.legalzoom.com/business/business-operations/registered-agent-overview.html, read 2026-09-08
This page is general information, not legal advice. State fees, forms and deadlines change. Every fact is quoted from the state filing office or statute with the date we read it. Confirm on the official page before you file.
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Advertising disclosure. Some provider names on this page are links to that provider's site through an affiliate network. If you buy through one of those links we may earn a commission. The price you pay does not change. Providers we have no agreement with are listed without a link and ranked by the same rules. Disclosed under the US FTC Endorsement Guides and the Norwegian Marketing Control Act.