Home Registering in another state New Mexico Module 3 · New Mexico
How to Register a Foreign LLC in New Mexico (2026): 5 Steps and the 3 Best Services
We would send a new founder in New Mexico to Mainstay Filing ($199), New Mexico Registered Agent.co ($199) and NM Registered Agent.org ($199) for registering a foreign LLC in 2026, in that order. After the picks: 5 steps and a $100 state fee.
The Founder Classroom teaching team · Updated November 12, 2026
Disclosure Founder Classroom is reader-supported. We may earn money when you buy through links on this page, and the companies we rank are our partners. Prices come from each company's own pages and official state sources.
Lesson map Who we'd use The steps Costs Common questions References Quick facts for this lesson
Home certificate 30 days Maximum age at filing
Recurring report None No report
Three-year state cost $100 Registration, reports and any minimum tax
Number of steps 5 Each one explained In this lesson Whether New Mexico registration applies to you The filing, its fee and its office What comes after registering The services we recommend
Teacher's pick
New Mexico: our recommended services Graded with our
rubric : three-year cost 30%, lesson steps handled 35%, then renewal, state fit and clear pricing.
Best overall
1. Mainstay Filing: best for companies adding a state
$199 plus fees; $149 a year later
For most new founders in New Mexico, Mainstay Filing: registration for $199 plus state fees and a free first year as a registered agent.
The three-year premium over New Mexico Registered Agent.co is $100, which the 35% steps-handled weight covers.
Year two onward: $149 a year for the agent.
What you get Your filing, done Registered agent free for year one One fee in every state What we like Same fee in every state Registered agent free in year one Service fee $199 Watch out for $50 more a year for the agent
One-state plan
2. New Mexico Registered Agent.co: best for one extra state
$199 plus fees; $99 a year later
In second, New Mexico Registered Agent.co: $199 over the state fee to register, $99 yearly after.
What you get Filing with the state A year of agent service What we like $99 a year for the agent after that Free first agent year $199 to register Watch out for New Mexico only; your home state needs its own agent
One-state plan
3. NM Registered Agent.org: best for a local filer
$199 plus fees; $99 a year later
In third, NM Registered Agent.org: $199 over the state fee to register, $99 yearly after.
On price it ties with New Mexico Registered Agent.co.
What you get Filing with the state A year of agent service What we like $199 to register Free first agent year $99 a year for the agent after that Watch out for New Mexico only; your home state needs its own agent
Side-by-side prices
Company prices as published on November 12, 2026. Plus the $100 state fee in each case.
Registering in New Mexico, step by step
Step 1
Step 1: Confirm you need to registerAn out-of-state LLC that transacts business in New Mexico registers before it starts. Operating without it: Its contracts still stand (NMSA 1978, section 53-19-53(B)). The state also collects back fees.
Official source: Official: tax.newmexico.gov , October 2026
Step 2
Step 2: Get your home state's certificateAttach certificate of good standing and compliance, no older than 30 days.
Tip Request it close to your filing date.
Step 3
Step 3: Appoint a registered agent in New MexicoEvery 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.
Tip Any of our picks covers it.
Official source: Official: nmonesource.com , October 2026
Step 4
Step 4: Submit the Foreign LLC Certificate of RegistrationThe New Mexico Secretary of State, Business Services Division takes the Foreign LLC Certificate of Registration and the $100 fee.
Official source: Official: tax.newmexico.gov , October 2026
Step 5
Step 5: Plan for the yearly filingThere is no foreign LLC report to file in New Mexico.
Step-by-step costs
Item Paid to Price
Foreign registration State office $100 A service, if you use one Your service $199 year one State fees, years one to three State office $100
For the three-year state total we add the filing fee, the reports in years two and three and any minimum yearly tax.
Why Mainstay Filing comes first On lesson steps handled, which carries 35%, Mainstay Filing scored above New Mexico Registered Agent.co.
Covering several states beat New Mexico Registered Agent.co's lower renewal.
Questions students ask
What does it cost to register a foreign LLC in New Mexico? $100 as the official fee. A service adds $199.
Which form do I file to register? Send the Foreign LLC Certificate of Registration to the New Mexico Secretary of State, Business Services Division.
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 still stand (NMSA 1978, section 53-19-53(B)). The state also collects back fees.
What is due after registering? No recurring report for foreign LLCs in New Mexico.
Which service should handle the registration? Mainstay Filing first, then New Mexico Registered Agent.co and NM Registered Agent.org; Mainstay Filing leads on lesson steps handled.
Official references nmonesource.com . NMSA 1978, § 53-19-7 and § 53-19-8. Confirmed August 2026.sos.nm.gov . New Mexico Secretary of State, Business Services. Confirmed October 2026.enterprise.sos.nm.gov . SOS Enterprise online filing portal. Confirmed October 2026.api.realfile.rtsclients.com . Business Online Filing Help. Confirmed October 2026.tax.newmexico.gov . Taxation and Revenue Department, who must register. Confirmed October 2026.nmonesource.com . New Mexico Statutes Annotated 1978, Limited Liability Company. Confirmed November 2026.Mainstay Filing New Mexico service page: prices as shown November 12, 2026 New Mexico Registered Agent.co pricing page: prices as shown November 12, 2026 NM Registered Agent.org pricing page: prices as shown November 12, 2026