Mainstay Filing
Get Started

Change of Agent · How to move your Montana LLC's registered agent to us without a lapse in coverage.

How to Change Your Montana LLC's Registered Agent

Swapping the registered agent on a Montana LLC is a straightforward filing with the Secretary of State, but it is worth doing carefully — a lapse or a stale address can knock the company out of good standing. This page covers when to change, exactly how to do it through the state's portal, and the mistakes that catch owners out.

One price: $199.00/yr covers your formation, your registered agent, and your annual report, plus the $35.00 state filing fee, at cost.

State agency: Montana Secretary of State, Business Services Division (Business Entity & UCC), Christi Jacobsen

Annual report due: April 15 · Processing: 5-6 business days

Form Your Montana LLC ($199.00/yr All-In)

✓ No hidden fees  ✓ No second-year price hikes  ✓ No missed filings

State facts

Montana LLC

State filing fee$35.00
Annual report fee$20.00
Annual report dueApril 15
Std. processing5-6 business days

When You Need to Change Your Registered Agent

A Montana LLC's registered agent is not a set-it-and-forget-it detail. Life and business change, and when they do, the agent on file has to be updated. The state relies on that record to deliver lawsuits and compliance notices, so an out-of-date agent is a genuine liability, not a paperwork nicety.

Common reasons to make the change

  • You were your own agent and want privacy. Many owners start out listing their home address, then realize it is sitting in a public database, and switch to a commercial service to get it out of view.
  • Your current agent moved or resigned. If the person or company serving as your agent relocates out of state, closes, or steps down, you need a replacement on file immediately.
  • You are unhappy with the service. A commercial agent that forwards documents slowly, misses items, or is hard to reach is a risk. Switching to a more reliable provider protects the company.
  • You are consolidating. Owners with several entities often move them all to one registered agent to keep renewals and compliance in one place.
  • A personal relationship changed. If a friend, former partner, or ex-employee was serving as your agent, a change in that relationship is a reason to move the role to someone neutral.

Whatever the trigger, the fix is the same: file a statement of change with the Montana Secretary of State naming the new agent, and make sure that agent has consented and has a valid Montana street address.

How to File the Change with the Secretary of State

Montana handles registered agent changes online through the Secretary of State's business portal at biz.sosmt.gov. The filing is commonly a statement of change of registered agent or registered office. Because the whole system is online, the change is usually processed quickly once submitted.

The steps

  1. Line up the new agent first. Have the new registered agent chosen, consented, and ready with a valid Montana street address before you start. Montana requires the agent to consent, so do not file until that is settled.
  2. Log in to the business portal. Access biz.sosmt.gov with your ePass Montana account. If you do not have one, you create it as part of the process.
  3. Find your LLC and open the change filing. Locate your entity and select the filing to change the registered agent or registered office.
  4. Enter the new agent's details. Provide the new agent's name and physical Montana street address, and confirm their consent.
  5. Submit and pay any applicable fee. Complete the filing. The receipt card on this site reflects any state charge for this filing; you do not need to compute it yourself.
  6. Confirm the update. Once the state processes it, check the business search to verify the new agent shows on the public record.

Timing

Montana's online filings move fast, often within a few business days. Until the change is processed and reflected on the public record, the old agent is still the official agent, so do not terminate an existing commercial service until the new one is confirmed on file.

Mistakes to Avoid When Switching Agents

Changing an agent is simple, but a few missteps can create a gap in coverage or leave the LLC out of compliance. These are the ones that trip people up.

Cancelling the old agent too early

If you fire your current commercial agent before the new one is officially on file with the state, you create a window where the LLC has no valid agent. During that window, service of process could be attempted with no one to receive it. Always confirm the new agent appears on the public record before ending the old arrangement.

Skipping the consent step

Montana requires the incoming agent to consent to the role. Naming someone who has not agreed — a busy relative, a friend who was never asked — can invalidate the filing or leave you with an agent who ignores what arrives. Confirm consent before you submit.

Using an invalid address

The new agent's address has to be a physical Montana street address, available during business hours. A P.O. box will not do for the registered office. Double-check the address is real, in Montana, and staffed.

Forgetting the annual report is separate

Changing your agent does not satisfy the April 15 annual report, and filing the annual report does not by itself change your agent unless you update the agent field. Keep the two obligations distinct in your mind so neither slips.

Not updating your own records

After the change, update your operating agreement notes, your internal contact list, and anywhere you have the old agent recorded, so mail and notices route to the right place going forward.

Switching Your Agent to Mainstay Filing

If you want to move your Montana LLC's registered agent to us, the process is simple and we handle the moving parts. We become your registered agent, put a compliant Montana address on the public record in place of your current one, and prepare the statement of change for the Secretary of State.

Once we are on file, anything the state or a process server sends comes to us, and we forward it to you promptly — usually a same-day scan. We also fold your LLC into our deadline tracking, so the April 15 annual report never sneaks up on you. You get a professional, always-available Montana address, your home address comes off the public record, and you have one less thing to babysit. If you are juggling multiple entities, consolidating them under one agent makes renewals and compliance far easier to keep straight.

Frequently asked questions

How do I change my registered agent in Montana?

File a statement of change with the Montana Secretary of State through the online business portal at biz.sosmt.gov. You provide the new agent's name and physical Montana street address and confirm their consent. Once the state processes the filing, the new agent appears on the public record and becomes your official agent. Have the new agent lined up and consented before you file.

Is there a fee to change my Montana registered agent?

Montana charges a state fee for the registered agent change filing. The receipt card on this page reflects the current charge, so you do not need to look it up separately. What we display is exactly what is charged — there is no markup on the state fee itself.

How long does a registered agent change take in Montana?

Because Montana processes filings online, a registered agent change is typically handled within a few business days. Until the state processes it and the new agent shows on the public business search, your previous agent remains the official agent of record, so do not cancel an existing service until the new one is confirmed.

Can I change my registered agent and my address at the same time?

Yes. The statement of change can update the registered agent, the registered office address, or both. If you are switching to a commercial service, its address replaces yours as the registered office in the same filing. Just make sure the new address is a valid physical Montana street address.

Do I need to notify my old registered agent that I'm switching?

It is good practice, especially with a commercial service, so they know to stop expecting to receive documents and can close out the account. But the change becomes official through the Secretary of State filing, not through notifying the old agent. Confirm the new agent is on the public record before ending any existing service to avoid a coverage gap.

What happens if my registered agent resigns?

A registered agent can resign, and when that happens you must name a replacement with the Secretary of State promptly. If you let the LLC sit without a valid agent, you risk missing service of process and state notices, and prolonged non-compliance can push the company toward involuntary dissolution. Filing a statement of change with a new consenting agent resolves it.

Ready to form your Montana LLC?

Formation, your registered agent, and your annual report. One price, $199.00/yr, with the state fee passed through at cost.

Form Your Montana LLC ($199.00/yr All-In)