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Plain CharterLLC questions, short answers.

Plain English · New Mexico

3 Best LLC Services in New Mexico (2026), Plainly Answered

Our 2026 answer for New Mexico: New Mexico Registered Agent.co ($199), NM Registered Agent.org ($199) and Mainstay Filing ($199), best first. New Mexico charges $50 to file with any of them, and their fees come to $397 to $597 across three years.

By the Plain Charter editorial team ·

The short answer

Filing fee
$50, once, up front
Each year after
None
Registered agent
Required
Who we'd use
New Mexico Registered Agent.co, NM Registered Agent.org then Mainstay Filing

Our New Mexico list

Prices come from each company's own pricing. How we choose.
1First choice

1. New Mexico Registered Agent.co: best for budget formations

$199 plus the state fee, then $99 a year

First choice: New Mexico Registered Agent.co. The reason is simple: three years come to $397 with its $99 renewal.

Cost decides it: three years here come in under Mainstay Filing.

The price covers

  • The New Mexico formation filing
  • Agent included, year one

Upsides

  • Year-one agent included
  • $199 plus the state fee
  • Low $99 renewal

What to weigh

  • $99 add-on for the EIN
Visit New Mexico Registered Agent.coPartner link. We may earn money if you buy.
2One-state plan

2. NM Registered Agent.org: best for a second in-state filer

$199 plus the state fee, then $99 a year

NM Registered Agent.org is next: three years come to $397 with its $99 renewal.

Price for price it ties New Mexico Registered Agent.co.

The price covers

  • The New Mexico formation filing
  • Agent included, year one

Upsides

  • Year-one agent included
  • $199 plus the state fee
  • Low $99 renewal

What to weigh

  • $99 add-on for the EIN
Visit NM Registered Agent.orgPartner link. We may earn money if you buy.
3Works in any state

3. Mainstay Filing: best for a predictable yearly bill

$199 a year ($249 due at signup with the state fee)

Mainstay Filing comes third: it forms the LLC and serves as its registered agent for $199 a year, EIN application included.

Over three years it is $200 dearer than New Mexico Registered Agent.co.

The price covers

  • State filing handled
  • Registered agent every month of the year
  • EIN application
  • State fees at cost

Upsides

  • Renews at $199
  • $199 yearly, all in
  • Handles the EIN application

What to weigh

  • New Mexico Registered Agent.co renews for $100 less
  • No report filing to include
Visit Mainstay FilingPartner link. We may earn money if you buy.

Prices together

#CompanyFirst-year priceRenewal priceThree yearsWhat it covers
1New Mexico Registered Agent.co$199$99/yr$397The New Mexico formation filing; agent included, year oneVisit New Mexico Registered Agent.coPartner link. We may earn money if you buy.
2NM Registered Agent.org$199$99/yr$397The New Mexico formation filing; agent included, year oneVisit NM Registered Agent.orgPartner link. We may earn money if you buy.
3Mainstay Filing$199$199/yr$597state filing handled; registered agent every month of the year; EIN applicationVisit Mainstay FilingPartner link. We may earn money if you buy.
Read from company pricing on November 12, 2026; three years means the first year plus two renewals.

Your questions

What does it cost to form an LLC here?

Budget $50 for the state and $199 for a service.

Over three years the state collects $50 in total, filing fee included. nmonesource.com, confirmed October 2026

What do I file, and where?

The New Mexico Secretary of State accepts the Articles of Organization, and that filing creates the LLC.

Statute: NMSA 1978, § 53-19-7. nmonesource.com, confirmed October 2026

Does the law require a registered agent?

Every LLC must name a registered agent with an in-state street address.

A New Mexico resident, or a corporation, LLC or partnership formed in New Mexico or authorized there whose place of business is the registered office.

nmonesource.com, confirmed October 2026

What do I owe each year after that?

No yearly report and no report fee.

Can I file it myself?

No service is required; on your own, three years of state fees come to $50.

The trade-off is $397 to $597 over three years against doing every form yourself.

Why these three?

It comes down to three-year cost, where New Mexico Registered Agent.co is strongest.

The two biggest criteria are three-year cost and what the price takes off your plate, at 35% and 30%.

New Mexico Registered Agent.co costs $397 over three years, $200 less than Mainstay Filing.

Our full method

New Mexico rules at a glance

RequirementAmount or ruleSource
LLC filing fee$50nmonesource.com, confirmed October 2026
Registered agentRequirednmonesource.com, confirmed October 2026
State fees, first three years$50Total of these fees
Every amount links to its official source. The three-year line is our own sum of filing, reports and any minimum tax.

People also ask

Is the EIN application included?

Only Mainstay Filing includes it. Elsewhere: $99 at New Mexico Registered Agent.co, $99 at NM Registered Agent.org.

How do the three-year costs compare?

New Mexico Registered Agent.co $397, NM Registered Agent.org $397 and Mainstay Filing $597, before state fees.

Where do you get the fees?

Official schedules for state fees, company pricing for service fees, all dated on this page.

Is a service required by law?

No. The state accepts filings from owners; a service saves time and handles the agent role.

Any yearly state fees?

No yearly report and no report fee.

Which one should I hire in New Mexico?

New Mexico Registered Agent.co first: you pay $199 in year one and $99 in each later year. NM Registered Agent.org and Mainstay Filing follow.

Official sources and prices

  1. NMSA 1978, § 53-19-7 and: nmonesource.com (August 2026)
  2. New Mexico Registered Agent.co: pricing page, read November 12, 2026
  3. NM Registered Agent.org: pricing page, read November 12, 2026
  4. Mainstay Filing: New Mexico service page, read November 12, 2026