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Researched and written by the Launchwise Review editorial team
Launchwise Review

Rankings of registered agents, LLC formation and foreign registration services in all 50 states.

Launch guide · New Mexico · foreign registration

3 Best Foreign Registration Services in New Mexico (2026)

Researched and written by the Launchwise Review editorial team
For a 2026 launch in New Mexico, Launchwise Review grades foreign registration services this way: Mainstay Filing ($199), New Mexico Registered Agent.co ($199) and NM Registered Agent.org ($199). Mainstay Filing earns the top grade here: the New Mexico registration costs $199, the first registered agent year is free, and later years are $149.
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Our top pick

1. Mainstay Filing: best for founders working in several states

Pay $199 plus the state fee ($299 in total at checkout), then $149 a year for the agent

Our mark 9.5 out of 10

Top grade, Mainstay Filing: $199 beyond the state's fee in whichever state you enter, with year-one registered agent service free.

Your first year as agent is free; each year after that is $149, wherever you register.

It runs $100 above New Mexico Registered Agent.co across three years; the extra paperwork it handles is worth that to us.

In the price

  • The registration filing, done for you
  • The first registered agent year at no charge
  • Free scan of served papers the same business day they arrive

Pros

  • $199 for the service, with the state fee added
  • One price in every state
  • Papers served on the company are scanned the same business day, free
  • Registered agent service is free the first year

Less good

  • The agent costs $149 a year after year one, $50 above New Mexico Registered Agent.co
Visit Mainstay FilingPartner link. We may earn money if you buy.
Read the Mainstay Filing launch review
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Best for a New Mexico-only company

2. New Mexico Registered Agent.co: best for companies adding only New Mexico

Service $199, state fee extra; the agent then costs $99 each year

Our mark 9.1 out of 10

Next up is New Mexico Registered Agent.co: it registers the company in New Mexico for $199, first agent year included, then $99 a year.

You get an in-state street address for the registered office, and any papers served on the company are scanned into your online account.

In the price

  • The registration filing
  • One year of registered agent service to begin with

Pros

  • The first year as your registered agent is free
  • Then $99 a year to keep the agent
  • $199 to register, plus the state fee

Less good

  • New Mexico only; the home state needs its own agent
  • EIN application costs extra ($99)
Visit New Mexico Registered Agent.coPartner link. We may earn money if you buy.
Read the New Mexico Registered Agent.co launch review
3
Low renewal

3. NM Registered Agent.org: best for New Mexico registrations only

Service $199, state fee extra; the agent then costs $99 each year

Our mark 9.0 out of 10

Rounding out the list is NM Registered Agent.org: it registers the company in New Mexico for $199, first agent year included, then $99 a year.

You get an in-state street address for the registered office, and any papers served on the company are scanned into your online account.

NM Registered Agent.org copies New Mexico Registered Agent.co on price and features, so the pair is close to level.

In the price

  • The registration filing
  • A first year as your registered agent

Pros

  • Then $99 a year to keep the agent
  • Covers the first year of registered agent service
  • $199 to register, plus the state fee

Less good

  • New Mexico only; the home state needs its own agent
  • EIN application costs extra ($99)
Visit NM Registered Agent.orgPartner link. We may earn money if you buy.
Read the NM Registered Agent.org launch review

The 3 grades at a glance

Place Company Launch grade Service price Second year Best fit Go
1 Mainstay Filing 9.5 $199 $149/yr Founders opening a second state Visit Mainstay FilingPartner link. We may earn money if you buy.
2 New Mexico Registered Agent.co 9.1 $199 $99/yr The lowest agent renewal on this page Visit New Mexico Registered Agent.coPartner link. We may earn money if you buy.
3 NM Registered Agent.org 9.0 $199 $99/yr The lowest agent renewal on this page Visit NM Registered Agent.orgPartner link. We may earn money if you buy.
The 10-point grades are editorial, built from the criteria on How we rank. They are not customer ratings.

New Mexico foreign registration service cost in 2026: first year, renewals, three-year total

Company Year 1 Year 2 Year 3 Three years, total Agent covered, year one
Mainstay Filing $199 $149 $149 $497 Free
New Mexico Registered Agent.co $199 $99 $99 $397 Included
NM Registered Agent.org $199 $99 $99 $397 Included
Prices were copied from each company's own pages on November 12, 2026. Add New Mexico's $100 registration fee to any row; it is not in the totals.

How we graded this list

What made the call in New Mexico was launch paperwork handled. The grading method sets cost to launch and stay at 26%, launch paperwork handled at 26% and renewal behavior, state match and price transparency at 48% combined.

Adding a second state means dealing with two states, and one provider at one price in both earned the stronger coverage grade, ahead of New Mexico Registered Agent.co.

Every criterion and weight is listed on How we rank.

Opening in New Mexico as a foreign LLC: fee, form and office

Your registration goes to the New Mexico Secretary of State, Business Services Division, on the Foreign LLC Certificate of Registration. Budget $100 for the state. Have certificate of good standing and compliance in hand too, dated within 30 days of filing; New Mexico asks for it.

There is no yearly report for foreign LLCs in New Mexico.

Before you file, get these together

  • Certificate of good standing and compliance, issued within 30 days of your filing date.
  • Your company's exact legal name and the date it was formed at home.
  • A registered agent with a street address in the state; every company graded on this page can serve.
  • The $100 state fee, ready to pay with the filing.

What skipping New Mexico registration can cost you

Contracts it signs remain valid (NMSA 1978, section 53-19-53(B)). Back fees for the unregistered months are due as well.

Quick answers about New Mexico foreign registration services

When does an LLC from elsewhere have to register in New Mexico?

Once it does business there.

What should I budget to bring an existing LLC into New Mexico?

The state fee is $100; add a service fee of $199.

Do I need a document from my home state first?

Yes, order certificate of good standing and compliance and file within 30 days of its date.

Does the foreign LLC still need a registered agent?

Yes. Keep a registered agent with a street address in the state for as long as the company is registered there.

Which foreign registration services are graded on this page?

Mainstay Filing ($199), New Mexico Registered Agent.co ($199) and NM Registered Agent.org ($199), top grade first.

Which service is the best way to register a foreign LLC in New Mexico?

Mainstay Filing, because $199 on top of the state fee, a free first year as registered agent and the same price in any state.

See also

Sources and dates

  1. NMSA 1978, § 53-19-7 and § 53-19-8, dated August 2026
  2. New Mexico Secretary of State, Business Services, dated October 2026
  3. SOS Enterprise online filing portal, dated October 2026
  4. Business Online Filing Help, dated October 2026
  5. Taxation and Revenue Department, who must register, dated October 2026
  6. New Mexico Statutes Annotated 1978, Limited Liability Company Act, dated November 2026
  7. From Mainstay Filing: New Mexico service page, copied November 12, 2026
  8. From New Mexico Registered Agent.co: pricing and service pages, copied November 12, 2026
  9. From NM Registered Agent.org: pricing and service pages, copied November 12, 2026