How to Start an S Corp in Louisiana (and When an LLC Should Elect)

Introduction

An S Corporation election can be a significant tax strategy for business owners in Louisiana. Unlike the traditional C Corporation structure that taxes income at both the corporate and owner levels, an S Corp allows business income to pass through to shareholders, potentially reducing your overall tax burden. The question many Louisiana business owners face is whether to form a new corporation and elect S corp status, or whether their existing LLC should make this election.

This guide covers how to set up an S Corp in Louisiana and explains when an LLC might benefit from electing S corp tax treatment. Important note: This content is informational only and not a substitute for legal or tax advice. Consult a qualified Louisiana CPA or attorney before making elections that affect your business structure and tax liability.

What Is an S Corp, and How Does It Differ From an LLC or C Corp?

An S Corporation is not a state-level business structure. Instead, it is a federal tax classification you elect for an existing business entity. You can form a Louisiana corporation or LLC, then notify the IRS that you want the entity taxed as an S Corp.

Here is how the three structures compare:

Feature	C Corporation	S Corporation	LLC (Default)
State Filing Required	Yes (Articles of Incorporation)	No (elect via IRS Form 2553)	Yes (Articles of Organization)
Owner Limit	Unlimited	100 U.S. citizen or resident shareholders	Unlimited
Federal Tax Filing	Form 1120 (corporate tax return)	Form 1120-S (pass-through return)	Form 1040 Schedule C or Form 1065
Self-Employment Tax	N/A (no individual SE tax)	Wages to owner taxed as payroll; distributions are not	All net income subject to 15.3% SE tax
Louisiana Individual Income Tax	Not applicable	3% flat rate on owner wages and reasonable distributions	3% flat rate on all net income

Louisiana's Tax Environment: Why It Matters for S Corp Elections

Louisiana recently simplified its tax code. As of January 1, 2025, the state applies a flat 3% individual income tax rate on all residents. Corporations pay a flat 5.5% corporate income tax, but that corporate franchise tax has been repealed for tax periods beginning on or after January 1, 2026.

This change affects S Corp strategy. Historically, S Corps offered an advantage in Louisiana because you could avoid the corporate franchise tax while still getting pass-through taxation. Today, since the franchise tax no longer applies to corporations, the main advantage of an S Corp election in Louisiana centers on reducing self-employment tax on owner distributions.

Louisiana also offers an optional entity-level pass-through election under Louisiana Revised Statute 47:287.732.2, which allows certain entities to be taxed at the entity level while still passing through income to owners. An S Corp is one way to achieve this treatment at the federal level.

When Should an LLC Elect S Corp Tax Treatment?

An LLC does not automatically become an S Corp by filing anything with the Louisiana Secretary of State. Instead, an LLC elects S corp treatment by filing IRS Form 2553 (Election by a Small Business Corporation) with the federal government. Louisiana will then recognize that election for state tax purposes.

An LLC should consider S corp election when:

• Net self-employment tax savings justify the complexity. As an LLC, you pay self-employment tax (15.3%) on all net business income. As an S Corp, you pay only on wages to yourself (which are deductible to the business). If your business nets $100,000 and you take a reasonable salary of $60,000 and $40,000 in distributions, you save self-employment tax on that $40,000 distribution, potentially reducing your tax liability by roughly $5,700.
• You have consistent annual profits above $60,000. The tax savings must outweigh the cost of payroll processing, additional tax returns (Form 1120-S), and possibly accounting fees. Most CPAs recommend S corp elections only when annual profits exceed $60,000 to $75,000.
• You can sustain payroll compliance. As an S Corp owner, you must pay yourself a "reasonable salary" for the work you perform. You cannot pay yourself $10,000 annually while taking $500,000 in distributions. The IRS scrutinizes this, and violations can result in penalties and loss of S corp status.
• Your business structure qualifies. S Corps are limited to 100 U.S. citizen or resident alien shareholders, all of whom must have individual ownership (no corporate or partnership ownership). If you plan to bring in foreign investors or hold the business in a trust, S corp election may not work.

If your LLC profit is below $60,000 annually, the added complexity and compliance cost usually outweigh the tax savings. Stay with the LLC's default pass-through taxation.

Forming a Louisiana Corporation and Electing S Corp Status: Step-by-Step

Step 1: Choose a Corporate Name and Verify Availability

File a name reservation with the Louisiana Secretary of State to secure your corporate name for 120 days. The reservation costs $25 and protects your name while you prepare formation documents. Search available names at https://coraweb.sos.la.gov/CommercialSearch/CommercialSearch.aspx to confirm no identical or confusingly similar names are already registered.

Your corporate name must not imply that the business is a state, parish, or federal agency. Names containing "bank," "insurance," or "trust" are restricted to those industries. Avoid names that duplicate existing registered corporations, LLCs, or trade names.

Step 2: Prepare and File Articles of Incorporation

Prepare your Articles of Incorporation (Louisiana Secretary of State Form #399) and file them with the Louisiana Secretary of State, Commercial Division. You can file online at https://geauxbiz.sos.la.gov/ or by mail to the Secretary of State, P.O. Box 94125, Baton Rouge, LA 70804-9125.

Your Articles of Incorporation must include:

• Corporate name
• Purpose of the corporation
• Principal office address in Louisiana (or outside Louisiana if you list a registered agent in Louisiana)
• Registered agent name and Louisiana street address (not a post office box)
• Incorporator name(s) and signature(s)

The filing fee is $75. Standard processing takes approximately 5 to 10 business days. You can pay an additional $30 for expedited processing (24 hours) or $50 for priority processing (same-day, in-person at the Baton Rouge office).

Step 3: Appoint a Registered Agent

Louisiana law requires every corporation to have a registered agent with a physical street address in Louisiana. The agent can be you, a member of your management team, an attorney, an accountant, or a commercial registered agent service. The agent receives legal documents (lawsuits, service of process, regulatory notices) on the corporation's behalf and must forward them to the business.

Your registered agent's name and address are public records, displayed on the Secretary of State website. Many business owners use a professional service to maintain privacy; costs typically range from $100 to $300 annually.

Step 4: File Your IRS Form 2553 (S Corp Election)

Once your corporation is formed and operational, file IRS Form 2553 (Election by a Small Business Corporation) with the IRS. You must file this form within 2 months and 15 days of your corporation's inception date, or by the corporate tax return due date for the year you want the election to take effect.

File Form 2553 electronically via IRS e-File, or mail it to the IRS office serving your region (your CPA or tax professional can advise). The form requires:

• Corporation name, EIN, and address
• Effective date of S corp election
• Shareholder names, SSNs, and ownership percentages
• Consent signatures from all shareholders

Once the IRS approves your Form 2553, Louisiana will automatically recognize the S corp election for state tax purposes. You do not need to file a separate form with the Louisiana Department of Revenue.

Step 5: Obtain an EIN and Set Up Payroll

If your corporation does not already have an EIN (Employer Identification Number), apply at https://www.irs.gov/ein or by phone at 1-800-829-4933. Processing is immediate online or takes 4 to 5 weeks by mail.

As an S Corp owner, you must pay yourself a reasonable W-2 wage and withhold employment taxes. Set up payroll processing through a payroll service (ADP, Paychex, Guidepoint, or similar) or use a bookkeeper. This is not optional; failing to pay a reasonable salary can jeopardize your S corp status and result in IRS reclassification.

Step 6: File Annual Reports

Every year on or before the anniversary of your corporation's formation, file an annual report with the Louisiana Secretary of State (Form TBD, $30 fee). The annual report confirms your current registered agent, principal office address, and corporate status. File online at geauxBIZ or by mail.

How to Convert Your Existing LLC to S Corp Tax Treatment

If you already have an LLC and want to elect S corp treatment, you do not need to form a new entity. Instead, follow these steps:

Step 1: Obtain Your EIN

Confirm your LLC has an EIN. If you formed it before 2010, it may use your personal SSN. Apply for an EIN if you do not have one at https://www.irs.gov/ein.

Step 2: File IRS Form 2553

File Form 2553 with the IRS, electing S corp treatment for your LLC. Your LLC will then be taxed as an S Corporation for federal and Louisiana state purposes. The form requires the same information as above: business name, EIN, effective date, and all member signatures.

Step 3: Establish Payroll and W-2 Wages

Set up payroll to pay yourself a reasonable salary. The IRS has not published a strict definition of "reasonable," but general guidance suggests you should pay yourself at least the prevailing wage for your role in your industry and geography. For example, if you own a consulting firm and perform consulting services, your W-2 wage should reflect market rates for that work, not an artificially low amount.

Step 4: File Your Annual Reports

Continue filing your LLC's annual report with the Louisiana Secretary of State each year ($30). No additional state-level filings are required for the S corp election itself.

Step 5: File Form 1120-S Annually

Instead of filing Form 1040 Schedule C or Form 1065, you will now file Form 1120-S (U.S. Income Tax Return for an S Corporation) with the IRS. This is a federal return only; Louisiana will recognize the S corp election automatically and tax you at the 3% individual income tax rate on your wages and reasonable distributions.

Materials and Documents You Will Need

• Articles of Incorporation or Organization (Louisiana Secretary of State forms)
• Registered Agent Consent Form (if appointing someone other than yourself)
• Shareholder Agreement or Operating Agreement (outlines ownership percentages and management structure)
• IRS Form 2553 (for S corp election)
• IRS Form SS-4 (EIN application, if needed)
• Your Social Security Number or Tax ID (for ownership verification)
• Business Plan or Summary (for your records, not filed with any agency)
• Proof of Business Address (utility bill, lease, or ownership deed for your principal office)

Common Mistakes to Avoid

• Filing too late. Form 2553 must be filed within 2 months and 15 days of incorporation or by the tax return due date. Miss this deadline, and your election may be delayed a full year.
• Paying yourself an unreasonably low salary. The IRS will challenge S corp elections if owner-managers take minimal wages and large distributions. This triggers reclassification and back taxes plus penalties.
• Skipping payroll withholding. Many new S corp owners try to avoid payroll costs by not running payroll. The IRS requires payroll for all reasonable compensation; this is not optional.
• Not filing annual reports. Your Louisiana corporation or LLC must file an annual report every year by the formation anniversary. Failure to file can result in administrative dissolution and loss of liability protection.
• Mixing personal and business funds. Keep a separate business bank account and maintain clear records of business vs. personal transactions. Courts can "pierce the corporate veil" and hold you personally liable if you do not maintain separation.
• Assuming S corp election is automatic. Forming a Louisiana corporation does not automatically elect S corp status. You must file Form 2553 with the IRS; otherwise, your corporation is taxed as a C Corporation.

Tips for Success

• Work with a CPA or tax professional. S corp elections involve payroll compliance, estimated tax payments, and complex Form 1120-S reporting. A qualified tax professional will pay for themselves through savings and risk avoidance.
• Document your reasonable salary decision. Keep notes on comparable salaries in your industry, your role responsibilities, and hours worked. This supports your salary if the IRS ever questions the S corp election.
• Set up separate business banking and accounting. Use accounting software (QuickBooks, FreshBooks, Xero) to track income, expenses, and owner distributions. Clean books make tax filing and potential audits much simpler.
• Review your election annually. S corp status makes sense for profitable businesses. If your income drops significantly, it may be more efficient to revoke the election and return to LLC taxation. Your tax professional can run the numbers each year.
• Use the Louisiana Secretary of State's geauxBIZ portal. Filing online at https://geauxbiz.sos.la.gov/ is faster and more reliable than mailing documents. You can also search the business database and track filing status online.

Expected Results and Timeline

If you are forming a new Louisiana corporation and electing S corp status, you can expect the following timeline:

• Day 1: File name reservation ($25, 120-day hold).
• Days 2-5: Prepare Articles of Incorporation and registered agent documentation.
• Days 5-15: File Articles of Incorporation ($75, standard 5-10 business day processing).
• Days 15-30: Receive certificate of incorporation, open business bank account, apply for EIN.
• Days 30-45: File Form 2553 with the IRS (election takes effect on filing date or elected date, whichever is later).
• Days 45-60: Set up payroll, hire a payroll processor or bookkeeper.
• Year 1, Day 365: File annual report with Louisiana Secretary of State ($30, by incorporation anniversary).

If you are converting an existing LLC to S corp taxation, you can file Form 2553 immediately. The election typically takes effect on the filing date or on the date you specify on the form, whichever is later.

Disclaimer

This article provides general informational guidance on S Corp formation and elections in Louisiana. It is not legal or tax advice. State and federal tax law is complex, and your individual circumstances will affect which business structure and tax elections make sense for your situation. Before forming a corporation, electing S corp status, or making any changes to your business structure, consult a qualified Louisiana attorney and a CPA or tax professional licensed in Louisiana. They can advise you on compliance, tax liability, and long-term business planning specific to your goals and industry.

Key Contacts and Resources

• Louisiana Secretary of State, Commercial Division: https://www.sos.la.gov/business-services | File corporate documents online at https://geauxbiz.sos.la.gov/
• Louisiana Department of Revenue: https://revenue.louisiana.gov/ | For state tax questions and business registration.
• IRS Small Business Hub: https://www.irs.gov/businesses/small-businesses-self-employed | EIN application, Form 2553 filing, S corp guidance.
• Louisiana Small Business Development Center: https://louisianasbdc.org/ | Free business advising and training.
• SBA Louisiana District: https://www.sba.gov/district/louisiana | Federal small business resources and loan programs.