Key Takeaways
- $100 Articles of Incorporation filing fee (online submission (enterprise.sos.nm.gov)) paid to the New Mexico Secretary of State
- Minimum 1 director required (NMSA 1978 § 53-11-36)
- Biennial Corporate Report (Corporate Report (online)) due within within 30 days of incorporation, then biennially by the 15th day of the fourth month after the corporation's taxable year-end, $25 per filing fee; $200 late penalty
- Flat $50 Corporate Franchise Tax (Form CIT-1) regardless of size or net worth — there is no value-based franchise tax; corporate income is taxed at a flat 5.9%
- Registered Agent with a physical New Mexico street address required
- No publication requirement
- S-Corp election available via IRS Form 2553 within 75 days of formation; the flat $50 New Mexico franchise tax still applies
- Same-day filing available through LLC Attorney at no markup on state fees
Forming a corporation in New Mexico means filing Articles of Incorporation with the New Mexico Secretary of State through the enterprise.sos.nm.gov portal, paying a filing fee that starts at $100 and scales with your authorized share count, appointing at least one director, and keeping up two distinct obligations afterward — a flat $50 Corporate Franchise Tax on Form CIT-1 and a $25 Corporate Report filed every two years. New Mexico stands out as a low-cost, privacy-leaning home for closely held and holding-company corporations rather than a venture-capital hub. This guide walks through every step and cost, with filing available through LLC Attorney starting at $49.
C-Corp vs LLC in New Mexico
Most first-time business owners in New Mexico reach for an LLC, and for good reason. A New Mexico corporation earns its place in narrower cases — when you need to issue stock to outside investors, run a formal board, or hold C-Corp-eligible assets — and you are willing to track the share-based filing fee and the flat franchise tax that come with it.
Choose a New Mexico corporation when:
- You plan to raise venture capital or institutional investment. VC firms, angels, and most institutional investors require a C-Corp structure before they write a check. Preferred stock, convertible notes, SAFEs, and board governance by class are native to corporations, not LLCs.
- You want to issue stock options to employees (ISOs). Corporations issue stock; LLCs issue membership interests. ISO and NSO option plans are available to corporations but not to LLCs.
- You expect to eventually go public or sell to a public company. Public markets operate on corporate stock mechanics.
- You are in a regulated industry where corporate structure is required or expected by licensing boards, government contracts, or institutional counterparties.
Stick with an LLC when:
- You are a small business with one or a few owners who will not need institutional investment.
- Pass-through taxation without payroll complexity is the priority.
- You do not need stock option plans or institutional investment mechanics.
Why and when to incorporate in Delaware vs your home state
Delaware is the default for startups on a venture track. Institutional investors expect it, term sheets assume it, and the Court of Chancery resolves corporate disputes faster than any general trial court. If you are raising a priced round or structuring for QSBS eligibility, incorporate in Delaware.
If you are not raising outside capital, New Mexico is usually the better choice. A Delaware corporation operating in New Mexico still has to register as a foreign corporation there, pay New Mexico fees, and file a Delaware franchise tax return each March 1. That is duplicate overhead with no benefit for a business that will not seek institutional investment.
What's Unique About Corporations in New Mexico?
New Mexico is known less as a venture-capital incorporation hub and more as a low-cost, privacy-leaning jurisdiction. Its formation fee scales with authorized shares ($1 per 1,000, capped at $1,000), it has no value-based franchise tax — only a flat $50 charge — and corporations file a report every two years rather than annually. That combination keeps the running cost of a small New Mexico corporation among the lowest in the country, which is why holding companies and closely held operating businesses are drawn here.
Key New Mexico-specific requirements:
- Articles of Incorporation (not "Articles of Organization" — that is the LLC filing document)
- Minimum of 1 director (NMSA 1978 § 53-11-36); no residency or shareholding requirement for directors
- Flat $50 Corporate Franchise Tax (Form CIT-1) regardless of size or net worth — there is no value-based franchise tax; corporate income is taxed at a flat 5.9%
- Flat $50 franchise tax on Form CIT-1 every year regardless of size, plus a $25 Corporate Report every two years — no value-based or share-based franchise levy
- Biennial reporting — New Mexico corporations file a Corporate Report only every two years ($25), one of the lightest report cadences of any state
Selecting a Name for Your New Mexico Corporation
Your corporation's name must comply with New Mexico naming requirements:
- Must include "Corporation," "Incorporated," "Inc.," "Corp.," or another New Mexico-approved designator (NMSA 1978 § 53-11-7)
- Must be distinguishable from all existing New Mexico entities in the New Mexico business entity search
- the name must contain Corporation, Company, Incorporated, or Limited (or an abbreviation of one of these) and may not imply a purpose the corporation is not authorized to pursue; words suggesting banking, insurance, or a government agency require separate regulatory clearance
- Names implying government affiliation or banking activity are restricted
Search the New Mexico business entity search at portal.sos.nm.gov before filing. Your name search is not a reservation — the name can be registered by another filer while you prepare your Articles of Incorporation.
Name reservation: file a name reservation with the New Mexico Secretary of State, $25 fee, holding the name for 120 days. Recommended if your paperwork takes more than a few days to prepare.
Directors, Officers, and Shareholders in a New Mexico Corporation
A New Mexico corporation has three distinct roles:
Shareholders own the corporation. They hold stock and vote on major decisions — electing directors, approving mergers, authorizing major asset sales. Shareholders do not manage day-to-day operations.
Directors govern the corporation through a Board of Directors. They set strategic direction, authorize major transactions, and oversee management. New Mexico's director requirements: New Mexico requires at least one director (NMSA 1978 § 53-11-36). Directors do not have to be New Mexico residents or shareholders, and the state sets no statutory age floor beyond the capacity to contract. The exact number is fixed in the articles of incorporation or the bylaws, and a single-shareholder company can lawfully operate with a one-person board.
Officers (CEO, CFO, Secretary, etc.) manage day-to-day operations. Officers are appointed by the Board of Directors. New Mexico requires a president and a secretary at minimum, and the same person may hold both offices. One person may be the sole director and simultaneously serve as president, secretary, and treasurer — the standard setup for a single-owner New Mexico corporation.
Designating a Registered Agent
Every New Mexico corporation must designate a Registered Agent — a person or entity with a physical New Mexico street address who receives legal notices, lawsuits, and official state correspondence on behalf of your corporation.
Every New Mexico corporation must continuously maintain a registered agent with a physical New Mexico street address (NMSA 1978 § 53-11-5); a P.O. box does not qualify. The agent must be available during normal business hours to accept service of process and to receive notices from the Secretary of State. For out-of-state owners — a large share of New Mexico filers — the registered agent is the only in-state presence the corporation has, which makes a reliable agent essential since there is no annual report cycle prompting routine state contact.
If the New Mexico Secretary of State cannot deliver legal notices to your Registered Agent, New Mexico can administratively administratively dissolve your corporation. LLC Attorney's New Mexico Registered Agent service is $125/year.
New Mexico Corporation Costs and Compliance
How to Form a Corporation in New Mexico
If You Do It Yourself
Step 1 — Choose a corporate name that complies with New Mexico's requirements.
Your corporate name must be distinguishable from all existing New Mexico entities and include an approved corporate designator ("Inc.," "Corp.," "Corporation," "Incorporated," or as specified in NMSA 1978 § 53-11-7). Search the New Mexico business entity search at portal.sos.nm.gov before preparing any documents. New Mexico's entity search at portal.sos.nm.gov confirms name availability against registered businesses but does not clear trademark rights — run the name through the USPTO database separately before building a brand on it.
Step 2 — Reserve your corporate name (recommended).
File a name reservation with the New Mexico Secretary of State, $25 fee, good for 120 days. If you are not filing immediately, this prevents another entity from taking your name while you prepare documents.
Step 3 — Decide your director structure before opening the formation form.
New Mexico requires 1 director at formation. Set your board size in the bylaws based on who will actually govern. A solo founder can be the only director; if you bring on a co-founder or an early investor who expects a seat, write the larger number into the bylaws now so you are not amending governance documents mid-deal. New Mexico imposes no upper limit, so the choice is purely practical. Write down your director names and New Mexico addresses before you open the form — most state portals cannot save a partially completed filing.
Step 4 — Designate your Registered Agent.
Every New Mexico corporation must have a Registered Agent with a physical New Mexico street address. P.O. boxes are not accepted. Most out-of-state owners forming a New Mexico corporation appoint a commercial registered agent because they have no physical office in the state. LLC Attorney can act as your New Mexico Registered Agent and route every state notice and legal document to your client portal.
Step 5 — Complete the Articles of Incorporation (online submission (enterprise.sos.nm.gov)).
Go to enterprise.sos.nm.gov/forms/business and use the current version of the Articles of Incorporation. Always file directly through the New Mexico Secretary of State — outdated forms are rejected without refund. Complete it with:
- Your exact corporate name including designator
- Your Registered Agent — full legal name and physical New Mexico street address
- Your authorized share structure — keep your authorized share count modest — New Mexico charges the formation fee at $1 per 1,000 authorized shares ($100 minimum, $1,000 maximum), so a routine 1,000,000-share startup authorization lands you at the $1,000 ceiling unless you start smaller
- Director names and addresses
- Incorporator signature (the person submitting the form; need not be a director or shareholder)
- The number of authorized shares and their classes (this figure sets your filing fee at $1 per 1,000 shares, $100 minimum)
Step 6 — File the Articles of Incorporation and pay the $100 fee.
File online at enterprise.sos.nm.gov or by mail to the New Mexico Secretary of State in Santa Fe. Online processing is same business day to a few business days for online submissions under normal volume.
Step 7 — Wait for your approved Articles of Incorporation.
Your corporation does not legally exist during the review period. You cannot open bank accounts, sign contracts as the corporation, or issue stock until the New Mexico Secretary of State approves your filing. Standard processing is same business day to a few business days for online submissions; up to 5 to 7 business days when portal volume is high (typically January and the spring tax-deadline window) during peak filing season. Keep your approved Articles of Incorporation — every bank, licensing board, and counterparty will request it.
Step 8 — Hold your organizational meeting and adopt bylaws.
After approval, your Board of Directors must hold an organizational meeting (or sign a written consent in lieu of meeting) to adopt bylaws, elect officers, authorize the bank account, authorize stock issuance, and set the fiscal year. New Mexico does not require bylaws to be filed with the Secretary of State — keep them with your corporate records. New Mexico bylaws are adopted by the incorporator or the initial board and operate under the New Mexico Business Corporation Act (NMSA Chapter 53, Article 11); draft them to match how a one- or two-founder New Mexico company actually makes decisions rather than copying a board-heavy template built for a public company. A generic template may omit New Mexico-specific provisions and may not align with your share structure.
Step 9 — Issue stock to founders.
Authorize and issue shares to founders immediately after your organizational meeting. Document the issuance in your stock ledger and issue stock certificates (or maintain uncertificated share records). Each founder's share count and issuance price must be documented. Because New Mexico ties the filing fee directly to authorized shares, the share count is a cost decision as much as a governance one. Authorizing 100,000 shares keeps you at the $100 minimum while still leaving plenty of room to split equity and seat an option pool; only push toward seven figures of authorized stock if a specific financing requires it, since every additional 1,000 shares above 100,000 adds $1 to the bill up to the $1,000 cap.
Step 10 — File your initial Biennial Corporate Report (Corporate Report (online)) within within 30 days of incorporation, then biennially by the 15th day of the fourth month after the corporation's taxable year-end.
After your Articles of Incorporation is approved, you have within 30 days of incorporation, then biennially by the 15th day of the fourth month after the corporation's taxable year-end to file Corporate Report (online) with the New Mexico Secretary of State. This filing confirms your Registered Agent address, principal office address, and director and officer contact information. Filing fee: $25 per filing. Missing the deadline triggers a $200 penalty.
Step 11 — Apply for your federal EIN.
Your corporation needs an EIN to open a bank account, hire employees, and handle tax filings. Apply at irs.gov/ein. Free, no government filing fee. Available Monday through Friday, 7 a.m. to 10 p.m. Eastern. 15-minute inactivity timeout — have all information ready before starting. International incorporators without a U.S. SSN or ITIN must apply by phone (IRS Form SS-4, 267-941-1099).
Step 12 — Open a corporate bank account.
Required documents: your approved Articles of Incorporation, your EIN confirmation letter (IRS Form CP 575 or SS-4 approval), your adopted bylaws, a board resolution authorizing the account, and personal ID of authorized signers. Call ahead — bank requirements for corporations are more involved than for LLCs.
Step 13 — Register for New Mexico state taxes.
Your federal EIN does not automatically register you with New Mexico state agencies. Depending on your business type:
- New Mexico sales and use tax (New Mexico Taxation and Revenue Department (Gross Receipts Tax, not a traditional sales tax), if you sell taxable goods or services) — tax.newmexico.gov
- New Mexico employer payroll taxes (New Mexico Department of Workforce Solutions, if hiring New Mexico employees) — dws.state.nm.us
- New Mexico Gross Receipts Tax (Taxation and Revenue Department) — register through the Taxpayer Access Point if you sell taxable goods or services in New Mexico; the GRT replaces a conventional sales tax
Step 14 — Pay your New Mexico annual tax.
New Mexico's $50 Corporate Franchise Tax is not calculated on shares, capital, or net worth — it is a flat charge that every corporation pays, including S-corporations. You report and pay it on Form CIT-1, the Corporate Income and Franchise Tax Return, filed with the Taxation and Revenue Department on the 15th day of the fourth month after your tax year ends (April 15 for calendar-year filers). The $50 franchise tax is due even in a year with no income. File and pay through the Taxpayer Access Point (TAP) at tap.state.nm.us; the $25 biennial Corporate Report is filed separately with the Secretary of State.
Step 15 — Decide whether to elect S-Corp tax treatment.
C-Corporation income is taxed twice: once at the corporate level (federal rate currently 21%), and again when distributed to shareholders as dividends. An S-Corp election converts the corporation to pass-through taxation. S-Corp election is available for New Mexico corporations that meet IRS eligibility: 100 or fewer shareholders, all U.S. citizens or residents, only one class of stock, and no institutional or foreign shareholders. File IRS Form 2553 within 75 days of formation. The election is made with the IRS — it does not require any New Mexico filing. A federal S-Corp election flows through to New Mexico: the corporation's income passes to shareholders, who report it on their personal New Mexico returns at the state's individual rates. New Mexico recognizes the election but does not exempt an S-corporation from the flat $50 Corporate Franchise Tax — every corporation, S or C, files Form CIT-1 and pays the $50. New Mexico also requires S-corporations to withhold and remit tax on the New Mexico-source income allocable to non-resident shareholders, so factor that obligation in if any owner lives out of state.
Step 16 — Set annual compliance reminders.
New Mexico corporations must file and pay on a recurring basis:
- Biennial Corporate Report (Corporate Report (online)): Every two years (initial report due within 30 days of incorporation), $25 per filing fee — $200 if missed
- Corporate Franchise Tax: flat $50 each year on Form CIT-1, filed with the corporate income return; the $25 Corporate Report is separate and due to the Secretary of State every two years
- File the $50 Corporate Franchise Tax on Form CIT-1 every year, even in a no-income year, and the $25 Corporate Report with the Secretary of State every two years
Missing these filings puts your corporation in bad standing with the New Mexico Secretary of State and New Mexico Taxation and Revenue Department. Suspension means you cannot file documents, defend lawsuits, or do business in New Mexico. If you would rather not manage this process, the service handles New Mexico corporation formation starting at $49.
If LLC Attorney Does It for You
- Submit your information at llcattorney.com — corporate name, director structure, authorized shares, Registered Agent preference, fiscal year, and target formation date. No forms to find or download.
- LLC Attorney files your Articles of Incorporation with the New Mexico Secretary of State, drafts your bylaws, handles your organizational meeting consent, issues your stock ledger documentation, applies for your EIN, and covers same-day filing if needed. Your Registered Agent designation and initial Biennial Corporate Report are included.
- Receive your approved Articles of Incorporation, bylaws, organizational consent, stock documentation, and EIN confirmation through your LLC Attorney client portal. Annual compliance reminders are included so you never miss a Corporate Report (online) deadline or annual tax payment.
S-Corp Election for New Mexico Corporations — What You Need to Know
An S-Corp election is not a separate entity — it is a federal tax election made by an existing corporation. Your New Mexico corporation remains a New Mexico corporation; you are only changing how the IRS taxes it.
The S-Corp tax advantage: a C-Corp pays 21% federal corporate income tax on net income, and shareholders pay income tax again on dividends. An S-Corp passes income directly to shareholders' personal returns, skipping the corporate-level tax. For owner-operated businesses with consistent profitability above roughly $40,000/year, the S-Corp election typically produces material tax savings.
S-Corp payroll requirement: if you elect S-Corp status and work in the business, you must pay yourself a "reasonable salary" subject to payroll taxes. The savings come from income above that salary, which passes through without payroll tax. Skip the salary and the IRS can reclassify your distributions as wages and assess back payroll taxes plus penalties.
Eligibility requirements:
- 100 or fewer shareholders
- All shareholders must be U.S. citizens or permanent residents
- Only one class of stock (identical distribution and liquidation rights)
- No institutional shareholders, partnerships, or non-resident alien shareholders
New Mexico treatment of S-Corps: A federal S-Corp election flows through to New Mexico: the corporation's income passes to shareholders, who report it on their personal New Mexico returns at the state's individual rates. New Mexico recognizes the election but does not exempt an S-corporation from the flat $50 Corporate Franchise Tax — every corporation, S or C, files Form CIT-1 and pays the $50. New Mexico also requires S-corporations to withhold and remit tax on the New Mexico-source income allocable to non-resident shareholders, so factor that obligation in if any owner lives out of state.
Filing deadline: IRS Form 2553 must be filed within 75 days of formation, or by March 15 of the tax year for which you want the election effective. Late elections are sometimes accepted with a written explanation of reasonable cause.
When Should You Consult an Attorney for Your New Mexico Corporation?
LLC Attorney provides on-demand attorney consultations for a flat rate per 30-minute session — no retainer required. Corporation formation benefits from attorney guidance more than most entity types because of share structure, bylaw complexity, and S-Corp election timing. Common scenarios:
- Multiple founders or investors: share structure decisions made at formation (authorized shares, classes, par value) affect every future financing round and exit. A misstructured cap table is expensive to unwind.
- S-Corp election analysis: whether to elect depends on projected net income, payroll requirements, and state-level S-Corp recognition. The payroll requirement catches founders off guard.
- High-liability industry: regulated industries may have specific corporate structure requirements from licensing boards or insurance carriers.
- Raising capital: if you plan to raise institutional capital, your share structure, option pool, and Delaware vs. home-state decision should be reviewed before you file.
- New Mexico-specific wrinkles: New Mexico may have corporate law provisions a generic national template does not cover correctly.
What You Actually Get When You Incorporate in New Mexico with LLC Attorney
A New Mexico corporation that exists only on the Secretary of State's portal is not a working corporation. The state filing brings the entity into being; it does not hand you the bylaws, organizational consent, or stock records that let the corporation operate and that hold the liability shield together. A "$0 filing" that stops at the portal is not free — it is half-built, and the missing internal documents are exactly what a bank, a buyer, or a court will ask to see.
Included with LLC Attorney corporation formation, starting at $100:
- Same-day or 24-hour New Mexico filing at no markup on the state fee. Most services charge extra to expedite.
- Attorney-drafted bylaws, initial board consent, and organizational minutes — customized, not auto-generated templates.
- Initial stock issuance and cap-table setup, so your ownership is documented correctly from day one.
- Federal EIN, obtained for you.
- New Mexico Registered Agent service at $125/year, included to keep you in good standing.
- S-Corp election guidance when pass-through tax treatment is the right call for your situation.
- Access to attorney-trained Business Success Advisors at no charge, plus optional flat-fee attorney consultations (no retainer).
Because New Mexico's advantage is low cost and a light report cadence, the documents that make the corporation actually function — tailored bylaws, an organizational consent, and a clean stock ledger — are exactly what is included here rather than left for you to assemble later.
Starting Your New Mexico Corporation with LLC Attorney
New Mexico's corporate formation requirements are straightforward but have cost traps — the share-based filing fee, the flat $50 franchise tax that applies even with no income, and the every-two-years report cadence that is easy to forget. Getting your directors, share structure, bylaws, and initial compliance filings right at formation prevents expensive corrections later.
The service handles New Mexico corporation formation starting at $49. Same-day filing is available at no markup on state fees. On-demand attorney consultations in 30-minute increments — no retainer — cover bylaws drafting, S-Corp election analysis, share-count cost planning and non-resident shareholder withholding, and annual tax planning. See our full pricing for all service tiers.
Frequently Asked Questions
New Mexico processes corporate filings submitted through the enterprise.sos.nm.gov portal in same business day to a few business days, stretching to roughly 5 to 7 business days when volume spikes early in the year and around spring tax deadlines. New Mexico does not sell a formal expedited tier for corporate formations — filing online is already the fastest path. LLC Attorney files electronically and monitors the submission so your formation date is locked in as soon as the state accepts it.
A C-Corp and an S-Corp are the same New Mexico corporation — the difference is federal tax treatment only. A C-Corp pays corporate income tax at the entity level (21% federal rate), and shareholders pay personal income tax again on dividends. An S-Corp elects pass-through taxation — income flows to shareholders' personal returns without corporate-level tax. The election is made with the IRS via Form 2553 and has no impact on your New Mexico formation documents. The S-Corp election does not waive New Mexico's flat $50 franchise tax, and non-resident shareholders trigger a state withholding obligation, so confirm the math before electing.
Yes. New Mexico permits one individual to own and run a corporation, acting as the sole director and holding every officer role at once. This is common for solo founders and out-of-state owners using New Mexico for its low fees and privacy. You still need to observe corporate formalities — adopt bylaws, sign an organizational consent, issue stock to yourself, and keep corporate and personal funds strictly separate — or you risk losing the liability protection the corporation provides.
A New Mexico corporation pays a flat $50 Corporate Franchise Tax every year, reported on Form CIT-1, plus corporate income tax at a flat 5.9% on net income apportioned to New Mexico. There is no value-based or share-based franchise tax. The $50 franchise tax is owed even in unprofitable years. The Secretary of State separately collects a $25 Corporate Report every two years. At the federal level, a C-Corp pays the 21% corporate income tax unless it elects S-Corp treatment, which shifts income to the shareholders' personal returns.
New Mexico for-profit corporations file a Corporate Report, not annually but every two years. An initial report is due within 30 days of incorporation, and biennial reports follow on or before the 15th day of the fourth month after the close of each taxable year. The fee is $25 per filing, submitted through the Secretary of State's business portal. Missing the deadline carries a $200 late penalty and, if ignored, leads to administrative dissolution and loss of good standing.
New Mexico does not require corporations to file bylaws with the Secretary of State. However, bylaws are a legal requirement for corporate governance — they define how your board operates, how shareholder meetings work, how officers are appointed, and how major decisions are made. A corporation without bylaws is technically non-compliant and lacks the foundational document that governs all major corporate decisions. Every bank, investor, and serious counterparty will request your bylaws.
Two New Mexico deadlines matter. Missing the $50 franchise tax and CIT-1 deadline triggers Taxation and Revenue Department penalties and interest on any balance due. Missing the $25 biennial Corporate Report deadline triggers a $200 late penalty from the Secretary of State, and continued failure to file leads to administrative dissolution — at which point the corporation loses good standing and cannot reliably bring lawsuits, secure financing, or maintain its name until it is reinstated and all back fees are paid.
Yes. New Mexico allows a corporation to convert to an LLC by filing the statutory conversion documents with the Secretary of State. A conversion is a taxable event for federal purposes and can trigger gain recognition, so model the consequences with a CPA before filing — depending on your assets and basis, dissolving and re-forming is sometimes cleaner. Map the tax outcome before you commit either way.
If New Mexico is unable to deliver legal notices to your Registered Agent, the state can administratively administratively dissolve your corporation. This can happen without direct notice to you. A professional Registered Agent service ensures a qualified person is available during business hours at a physical New Mexico address to receive any legal documents on your behalf.