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Plain CharterLLC questions, short answers.

Plain English · New Mexico

3 Best Registered Agents in New Mexico (2026), Plainly Answered

In New Mexico for 2026, we would use Mainstay Filing ($149 a year), New Mexico Registered Agent.co ($99 a year) and NM Registered Agent.org ($99 a year), in that order. Three years of agent service add up to $297 to $447, starting at $99 to $149.

By the Plain Charter editorial team ·

Answer in brief

Mandatory?
Must have one
What the law calls it
Registered agent
Price range
$99 to $149 annually
Best picks
Mainstay Filing, New Mexico Registered Agent.co then NM Registered Agent.org

Who we'd hire in New Mexico

Ranked by how we choose: three-year cost first, then what the price covers.
1Our first pick

1. Mainstay Filing: best for companies that may expand

Annual price $149, renewal price $149

Mainstay Filing leads our list: it charges $149 a year here and the same in every other state.

Yes, New Mexico Registered Agent.co is $150 less across three years. We still put the pick that covers every state first.

The price covers

  • An in-state office address
  • Three government mailings a year scanned free
  • Covers LLCs, corporations, LPs, LLPs and nonprofits

Upsides

  • Works in every state
  • $149 a year, same at renewal

What to weigh

  • $50 more per year than the local pick
  • Just the agent role
Visit Mainstay FilingPartner link. We may earn money if you buy.
2One-state plan

2. New Mexico Registered Agent.co: best for tight budgets

Annual price $99, renewal price $99

New Mexico Registered Agent.co comes second: it charges $99 a year, $99 at renewal, for an LLC that stays in New Mexico.

The price covers

  • A physical in-state address
  • Scanned service of process

Upsides

  • Less per year than Mainstay Filing
  • Annual price $99, renewal price $99

What to weigh

  • A second state means a second agent
Visit New Mexico Registered Agent.coPartner link. We may earn money if you buy.
3One-state plan

3. NM Registered Agent.org: best for owners who want a local provider

Annual price $99, renewal price $99

NM Registered Agent.org comes third: it charges $99 a year, $99 at renewal, for an LLC that stays in New Mexico.

New Mexico Registered Agent.co charges the same, so this one is a close second.

The price covers

  • A physical in-state address
  • Scanned service of process

Upsides

  • Less per year than Mainstay Filing
  • Annual price $99, renewal price $99

What to weigh

  • A second state means a second agent
Visit NM Registered Agent.orgPartner link. We may earn money if you buy.

Side-by-side prices

#ServiceTo startLater yearsOver three yearsWhat it covers
1Mainstay Filing$149$149/yr$447An in-state office address; three government mailings a year scanned free; Covers LLCs, corporations, LPs, LLPs and nonprofitsVisit Mainstay FilingPartner link. We may earn money if you buy.
2New Mexico Registered Agent.co$99$99/yr$297A physical in-state address; scanned service of processVisit New Mexico Registered Agent.coPartner link. We may earn money if you buy.
3NM Registered Agent.org$99$99/yr$297A physical in-state address; scanned service of processVisit NM Registered Agent.orgPartner link. We may earn money if you buy.
Company prices on November 12, 2026, before state fees.

Questions, answered plainly

Must the LLC name a registered agent?

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

Legal basis: NMSA 1978, § 53-19-5. source: nmonesource.com, October 2026

Who qualifies?

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.

You can be your own agent if you qualify; the state charges nothing extra.

What will the agent cost me?

From $99 to $149 a year, $297 to $447 across three years.

State fees stay the same whichever agent you name.

What is the agent for?

It signs for legal papers and state notices on the LLC's behalf, in New Mexico.

What matters most is that you hear about every document quickly. Service of process, explained

What does the LLC owe the state each year?

Report fees: none.

Why this order?

Mainstay Filing leads on what the price takes off your plate, which weighs 30% in our order.

We start with three-year cost (35%), then what the price takes off your plate (30%).

New Mexico Registered Agent.co is the smaller bill here, yet it serves New Mexico only.

See how we rank

What New Mexico requires

RuleDetailOfficial source
Cost to file$50source: nmonesource.com, October 2026
Registered agentMust have onesource: nmonesource.com, October 2026
State total, years 1 to 3$50Added up from the above
We add the filing, two years of reports and any minimum tax for the three-year line. Publication and other variable costs are excluded.

More answers

Can I be my own agent?

Usually yes: check the two rules above, who qualifies and the address.

What kind of address is required?

The address has to be a street address in New Mexico. P.O. boxes are not accepted.

How do the three-year costs compare?

Mainstay Filing $447, New Mexico Registered Agent.co $297 and NM Registered Agent.org $297

What sources do you use?

New Mexico's own publications for the state side, published company prices for the rest.

Do I need to hire a service?

No law requires one. A service is a convenience.

Who is your first choice in New Mexico?

Mainstay Filing tops our list because its $149 yearly price does not change from state to state; New Mexico Registered Agent.co and NM Registered Agent.org come next.

Official sources and prices

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