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Business Basics LabLLC paperwork, measured state by state.

Lab sheet 3 · New Mexico

Foreign LLC Registration, New Mexico (2026): 5 Procedures and the 3 Best Services

Ranked by measured reading, the services for registering an LLC formed elsewhere in New Mexico in 2026 are New Mexico Registered Agent.co ($199), NM Registered Agent.org ($199) and Mainstay Filing ($199). Registration involves 5 procedures and a $100 state fee.

Recorded by the Business Basics Lab staff ·

Before the procedures

Filing fee
$100Specimen: tax.newmexico.gov, logged October 2026
Certificate from the home state
30 daysNo older than
Annual filing
NoneNo report
State fees, three years
$100Registration, reports and any minimum tax
Number of procedures
5Listed below

After reading you will know

  • When an LLC formed elsewhere must register in New Mexico
  • The form and the fee
  • The recurring upkeep
  • The services we recommend

Best reading

New Mexico: the ranked services

Three-year cost and the number of procedures a price performs weigh the most; how we measure lists all five criteria.
Best overall

1. New Mexico Registered Agent.co: best for a low yearly agent cost

$199 with the $100 state fee, then $99 a year

Top of the New Mexico readings is New Mexico Registered Agent.co: $199 over the state fee to register, then $99 yearly.

On three-year cost it reads below Mainstay Filing, a large part of the measurement.

What the price performs

  • Registration filing
  • Agent service for one year

Measured strengths

  • A service fee of $199
  • $99 yearly from year two
  • No agent fee in year one

Measured limits

  • A single-state service
Visit New Mexico Registered Agent.coPartner link. We may earn money if you buy.
New Mexico specialist

2. NM Registered Agent.org: best for registering in New Mexico alone

$199 with the $100 state fee, then $99 a year

NM Registered Agent.org follows in second place: $199 over the state fee to register, then $99 yearly.

It publishes the same prices as New Mexico Registered Agent.co.

What the price performs

  • Registration filing
  • Agent service for one year

Measured strengths

  • No agent fee in year one
  • A service fee of $199
  • $99 yearly from year two

Measured limits

  • A single-state service
Visit NM Registered Agent.orgPartner link. We may earn money if you buy.
Any state

3. Mainstay Filing: best for a second state and beyond

$199 with the $100 state fee, then $149 a year

Mainstay Filing is an acceptable third choice: $199 above the state fee, a registered agent at no charge in year one, then $149 a year.

Across three years the total is $100 higher than New Mexico Registered Agent.co's.

From year two the agent reads $149 a year, whichever state is used.

What the price performs

  • Registration filing
  • No fee for the registered agent in year one
  • One fee in every state

Measured strengths

  • The same fee in every state
  • Registered agent free in year one
  • $199 above New Mexico's fee

Measured limits

  • $50 extra a year for the agent
Visit Mainstay FilingPartner link. We may earn money if you buy.

Prices in one table

#ServiceFirst yearFrom year twoThree-year total
1New Mexico Registered Agent.co$199$99/yr$397Visit New Mexico Registered Agent.coPartner link. We may earn money if you buy.
2NM Registered Agent.org$199$99/yr$397Visit NM Registered Agent.orgPartner link. We may earn money if you buy.
3Mainstay Filing$199$149/yr$497Visit Mainstay FilingPartner link. We may earn money if you buy.
Drawn from each company's pricing on November 13, 2026. The state fee ($100) is not counted.

The procedures

  1. Procedure 1: Determine whether registration applies

    LLCs formed outside New Mexico submit a foreign registration in order to transact business here. Operating unregistered produces: Its contracts remain valid (NMSA 1978, section 53-19-53(B)). A charge for earlier fees should be expected.

    Specimen: Specimen: tax.newmexico.gov, logged October 2026

  2. Procedure 2: Request proof of good standing

    Attach certificate of good standing and compliance, issued no more than 30 days.

    TipLeave this procedure until just before filing.

  3. Procedure 3: Arrange a New Mexico registered agent

    Every LLC must name a registered agent with an in-state street address. The address has to be a street address in New Mexico. P.O. boxes are not accepted.

    TipAny of the ranked services fills the role.

    Specimen: Specimen: nmonesource.com, logged October 2026

  4. Procedure 4: Complete and lodge the Foreign LLC Certificate of Registration

    Registration is made by delivering the Foreign LLC Certificate of Registration to the New Mexico Secretary of State, Business Services Division with $100.

    Specimen: Specimen: tax.newmexico.gov, logged October 2026

  5. Procedure 5: What follows

    New Mexico requires no recurring report from a foreign LLC.

The cost of this sheet

WhatPayeeAmount
Registration feePayable to the state$100
Service fees (optional)Service$199 up front
State total over three yearsPayable to the state$100
Every state amount here can be verified against the specimens below. The three-year row combines formation, two later reports and a minimum tax where one exists, and it never includes service prices.

How the New Mexico results were ordered

Measured cost over three years accounts for 36% of the reading, and it is where pulled ahead in New Mexico.

Years one to three cost $397 with New Mexico Registered Agent.co, while Mainstay Filing costs $100 more.

Review questions on New Mexico

Which fees does New Mexico collect on foreign registration?

$100 to the state. Service fees: $199.

Which form do I file to register?

A single form handles registration, and the New Mexico Secretary of State, Business Services Division receives it.

Do I need a certificate from my home state?

Yes: certificate of good standing and compliance, issued within 30 days of filing.

What if the LLC does business there without registering?

Its contracts remain valid (NMSA 1978, section 53-19-53(B)). A charge for earlier fees should be expected.

What is due after registering?

No recurring report for foreign LLCs in New Mexico.

Which service should handle the registration?

New Mexico Registered Agent.co, NM Registered Agent.org and Mainstay Filing, in descending order of reading.

See also

Specimens and records

  1. NMSA 1978, § 53-19-7 and § 53-19-8: primary record at nmonesource.com, last observed August 2026.
  2. New Mexico Secretary of State, Business Services: primary record at sos.nm.gov, last observed October 2026.
  3. SOS Enterprise online filing portal: primary record at enterprise.sos.nm.gov, last observed October 2026.
  4. Business Online Filing Help: primary record at api.realfile.rtsclients.com, last observed October 2026.
  5. Taxation and Revenue Department, who must register: primary record at tax.newmexico.gov, last observed October 2026.
  6. New Mexico Statutes Annotated 1978, Limited Liability Company: primary record at nmonesource.com, last observed November 2026.
  7. Recorded November 13, 2026 from the pricing page of New Mexico Registered Agent.co
  8. Recorded November 13, 2026 from the pricing page of NM Registered Agent.org
  9. Recorded November 13, 2026 from the New Mexico service page of Mainstay Filing