How to Change Your LLC Name in Montana

Changing your LLC name in Montana might become necessary as your business evolves, expands into new markets, or pivots to different products or services. Whether you’re rebranding to better reflect your company’s mission or resolving a trademark conflict, Montana’s Secretary of State makes the process straightforward with clear requirements and reasonable fees.

The official process involves filing Articles of Amendment with the Montana Secretary of State, followed by updating various government agencies, financial institutions, and business materials. Here’s everything you need to know to change your LLC name successfully in Montana.

When You Might Need to Change Your LLC Name

Several situations commonly trigger LLC name changes in Montana:

• Business expansion: Adding new services or products that don’t align with your current name
• Market repositioning: Shifting to target different customers or industries
• Trademark issues: Discovering another company has rights to a similar name
• Partnership changes: Adding or removing members whose names were part of the original LLC name
• Better SEO or marketing: Choosing a name that’s easier to find online or remember

Step 1: Check New Name Availability

Before filing any paperwork, you must verify your desired name is available. Montana requires LLC names to be distinguishable from all other business entities registered in the state.

You can search for name availability through the Montana Secretary of State’s online business entity search. This free tool shows all registered LLCs, corporations, and other business entities. If your preferred name is too similar to an existing business, you’ll need to choose a different option.

For detailed guidance on Montana’s naming rules and search process, check our comprehensive Montana LLC name search guide.

Optional Name Reservation

If you find an available name but aren’t ready to file immediately, you can reserve it for $10. This reservation lasts 120 days and prevents other businesses from claiming your chosen name while you prepare your amendment paperwork.

Step 2: File Articles of Amendment

Once you’ve confirmed name availability, file Articles of Amendment with the Montana Secretary of State. This official document changes your LLC’s name in state records.

Required Information

Your Articles of Amendment must include:

• Your LLC’s current legal name
• The new name you want to adopt
• The date the name change becomes effective (can be immediate or a future date)
• Your LLC’s registered agent information
• Signature from an authorized member or manager

Filing Methods and Fees

Montana accepts Articles of Amendment through multiple channels:

• Online filing: Through the Secretary of State website for $15
• Mail filing: Send completed forms with a $15 check to the Secretary of State office
• In-person filing: Visit the Secretary of State office in Helena with forms and $15 fee

Source: Montana Secretary of State, verified March 2026

Expedited Processing

Montana offers expedited processing for urgent name changes:

• 24-hour processing: Additional $20 fee
• 1-hour processing: Additional $100 fee

Standard processing typically takes 2 weeks, so expedited service is valuable if you need the name change completed quickly for business reasons.

Step 3: Update Federal and State Records

After Montana approves your name change, you must update various government agencies and institutions.

IRS and Federal Tax ID

Your Federal Employer Identification Number (EIN) stays the same, but you must notify the IRS of your name change. Send a letter to the IRS including:

• Your EIN
• Old LLC name
• New LLC name
• Effective date of the name change
• Copy of the approved Articles of Amendment

Mail this information to the IRS center where you originally applied for your EIN. The IRS will send you Letter 147C confirming the name change in their records.

Montana Department of Revenue

If your LLC has Montana tax obligations, update your information with the Montana Department of Revenue. This includes income tax accounts, sales tax permits, and any other state tax registrations.

Business Licenses and Permits

Review all business licenses and permits to determine which require name change notifications. Common examples include:

• Professional licenses
• Health department permits
• Building and zoning permits
• Industry-specific certifications

Contact each issuing agency to understand their specific update requirements and fees.

Step 4: Update Financial and Business Records

Bank Accounts and Financial Institutions

Notify your bank of the name change and provide copies of the approved Articles of Amendment. Most banks require you to visit in person with proper identification and LLC documentation. They may issue new checks, debit cards, and account materials with your new business name.

A separate business bank account is crucial for maintaining your LLC’s liability protection and keeping personal and business finances separate. Look for accounts with no monthly fees, unlimited transactions, and competitive interest rates.

Insurance Policies

Contact your business insurance provider to update your policy with the new LLC name. This includes general liability, professional liability, property insurance, and any other business coverage.

Operating Agreement

Update your LLC’s operating agreement to reflect the new name. While Montana doesn’t require operating agreements, having an updated document prevents confusion and ensures all members understand the name change.

Step 5: Update Marketing Materials and Online Presence

Don’t overlook the marketing side of your name change:

• Website and domain name: Update your website content and consider purchasing a new domain that matches your new LLC name
• Business cards and stationery: Order new materials with the updated name
• Social media accounts: Update business profiles on LinkedIn, Facebook, Instagram, and other platforms
• Directory listings: Update Google My Business, Yelp, and industry directories
• Vendor and supplier records: Notify companies you do business with about the name change

Timeline and Cost Summary

Expected Timeline

• Name availability check: Immediate (online search)
• Articles of Amendment processing: 2 weeks standard, 24 hours or 1 hour with expedited service
• IRS notification response: 2-4 weeks for Letter 147C
• Complete process: 4-8 weeks for all updates

Total Cost Breakdown

• Articles of Amendment: $15
• Expedited processing (optional): $20 (24-hour) or $100 (1-hour)
• Name reservation (optional): $10
• Additional costs: New business cards, website updates, potential domain registration

The basic cost to change your LLC name in Montana is just $15, making it one of the most affordable states for business name changes.

Frequently Asked Questions

Can I change my LLC name myself?

Yes, filing Articles of Amendment in Montana is straightforward and doesn’t require an attorney. However, business formation services can handle the paperwork and ensure everything is filed correctly, especially if you’re managing multiple business updates simultaneously.

Do I need a new EIN after changing my LLC name?

No, your Federal Employer Identification Number remains the same. You only need to notify the IRS of the name change, not apply for a new EIN.

How long is my old name protected after the change?

Once you change your LLC name, your old name becomes available for other businesses to use. Montana doesn’t provide any grace period or protection for your former business name.

What happens to existing contracts under the old name?

Existing contracts remain valid, but you should notify all parties about your name change. Consider adding amendments to important contracts to reflect the new business name for clarity.

Can I change my Montana LLC name if I’m not current on annual reports?

You must be in good standing with the state to file Articles of Amendment. If you’re behind on annual reports, bring your LLC current before attempting a name change.

Montana annual reports are due April 15th each year, with fees of $20 if filed on time or $35 if filed late.

This information is for educational purposes only and does not constitute legal or financial advice. Filing fees and requirements change : always confirm current fees with your state’s Secretary of State office.