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Quick answer · New Mexico

3 Best Foreign Registration Services in New Mexico (2026): The Quick Answer

Best foreign registration services in New Mexico for 2026: New Mexico Registered Agent.co ($199), NM Registered Agent.org ($199) and Mainstay Filing ($199), ranked in that order. Every pick pays New Mexico $100; service fees run $397 to $497 across three years.

LLC Q and A editorial team ·

Quick answers

State registration fee
$100
Home-state certificate?
Yes (30 days max age)
Following
None
Pick
New Mexico Registered Agent.co, NM Registered Agent.org then Mainstay Filing

New Mexico: ranked picks

Prices come from each company's own page. See the method.
1#1 pick

1. New Mexico Registered Agent.co: best for registering in just this state

Service $199 plus $100 to the state; agent renewal $99

#1 in New Mexico: New Mexico Registered Agent.co, because $199 files the registration and the agent renews at $99.

On three-year cost it beats Mainstay Filing, and cost counts most.

Price covers

  • New Mexico registration filing
  • First-year agent included

For

  • Year-one agent included
  • Renewal $99
  • $199 to register

Against

  • Nothing outside this state
New Mexico Registered Agent.co sitePartner link. We may earn money if you buy.
2New Mexico only

2. NM Registered Agent.org: best for one more state only

Service $199 plus $100 to the state; agent renewal $99

Why NM Registered Agent.org is second: $199 files the registration and the agent renews at $99.

Price for price a tie with New Mexico Registered Agent.co.

Price covers

  • New Mexico registration filing
  • First-year agent included

For

  • Year-one agent included
  • $199 to register
  • Renewal $99

Against

  • Nothing outside this state
NM Registered Agent.org sitePartner link. We may earn money if you buy.
3Nationwide

3. Mainstay Filing: best for registering in several states

Service $199 plus $100 to the state; agent renewal $149

Third: Mainstay Filing, because $199 above the state fee registers you, the registered agent is free in year one and $149 a year after.

New Mexico Registered Agent.co is $100 less over three years, which outweighs the rest.

After the free year, the registered agent is $149 a year.

Price covers

  • Out-of-state registration filed
  • Registered agent, free first year
  • Same price in any state

For

  • No registered agent fee in year one
  • Service fee $199
  • Price does not vary by state

Against

  • Agent renews at $149, $50 above New Mexico Registered Agent.co
Mainstay Filing sitePartner link. We may earn money if you buy.

Comparison

#CompanyFirst yearRenewal3-year costIncludes
1New Mexico Registered Agent.co$199$99/yr$397New Mexico registration filing; First-year agent includedNew Mexico Registered Agent.co sitePartner link. We may earn money if you buy.
2NM Registered Agent.org$199$99/yr$397New Mexico registration filing; First-year agent includedNM Registered Agent.org sitePartner link. We may earn money if you buy.
3Mainstay Filing$199$149/yr$497Out-of-state registration filed; registered agent, free first year; same price in any stateMainstay Filing sitePartner link. We may earn money if you buy.
Prices as of November 13, 2026. State fees are in the checklist below.

Questions and replies

Must my LLC register here?

Before it does business in New Mexico, with the New Mexico Secretary of State, Business Services Division.

Unregistered, an LLC may face back fees for the unregistered period.

tax.newmexico.gov (October 2026) is the source of record

Cost to register?

State fee $100; add $199 if someone files for you.

State fees reach $100 over three years, counting any recurring report. tax.newmexico.gov (October 2026) is the source of record

What registers the LLC?

Lodge the Foreign LLC Certificate of Registration at the New Mexico Secretary of State, Business Services Division; one filing registers the LLC.

Attach certificate of good standing and compliance issued in the last 30 days.

Any recurring filing?

No recurring report for foreign LLCs here.

Why this order?

Three-year price (36%) goes to New Mexico Registered Agent.co.

Two criteria dominate: three-year price (36%) and chores removed from your list (26%).

New Mexico Registered Agent.co: $397 for three years, $100 below Mainstay Filing.

Method

What New Mexico requires of a foreign LLC

RequirementDetailSource
Registration fee$100tax.newmexico.gov (October 2026) is the source of record
Good standing certificateYes, 30 daystax.newmexico.gov (October 2026) is the source of record
Three-year state total$100Sum of the rows above
Rows link to official sources; the final row is our own addition of filing, two reports and any minimum tax.

Also asked

Is an agent needed at home too?

Yes. Each state has its own rule. Mainstay Filing serves both from one account.

Three-year cost of each?

New Mexico Registered Agent.co will run $397, NM Registered Agent.org will run $397, Mainstay Filing will run $497, with state fees on top.

Are the fees official?

State fees come from New Mexico's official documents. Service prices come from each company's price page. Both are dated here.

Is a service required?

No. Owners can file directly. A service saves time and can act as agent.

Does a service file it?

Yes. Filing is part of each company's service on this page.

Which foreign registration service should I use in New Mexico?

New Mexico Registered Agent.co, because it charges $199 with first-year agent service included, then $99 annually. Then NM Registered Agent.org and Mainstay Filing.

Sources

  1. Q and A source note covering NMSA 1978, § 53-19-7 and, found at nmonesource.com and dated August 2026, kept on file
  2. Q and A source note covering New Mexico Secretary of State, found at sos.nm.gov and dated October 2026, kept on file
  3. Q and A source note covering SOS Enterprise online filing portal, found at enterprise.sos.nm.gov and dated October 2026, kept on file
  4. Q and A source note covering Business Online Filing Help, found at api.realfile.rtsclients.com and dated October 2026, kept on file
  5. Q and A source note covering Taxation and Revenue Department, who, found at tax.newmexico.gov and dated October 2026, kept on file
  6. Q and A source note covering New Mexico Statutes Annotated 1978, found at nmonesource.com and dated November 2026, kept on file
  7. Price page: New Mexico Registered Agent.co pricing page, accessed November 13, 2026
  8. Price page: NM Registered Agent.org pricing page, accessed November 13, 2026
  9. Price page: Mainstay Filing New Mexico service page, accessed November 13, 2026