2025 BOI rule update US entities are now exempt. Check if you still need to file →
We answer most inquiries within one business hour during US business days.
Mississippi . 2026 filing guide

Mississippi Secretary of State filings, deadlines, and how to do them right.

Annual reports, business search, registered agent changes, reinstatement, dissolution, tax registration. Every Mississippi filing explained, plus the business environment, regulatory bodies, and a year-round compliance calendar. Verified against the Mississippi Secretary of State, Business Services Division as of June 2026.

Start filing now Search Mississippi business records
Verified against Mississippi Secretary of State, Business Services Division on Jun 12, 2026
Agency
Mississippi Secretary of State, Business Services Division
Branded as Mississippi Business Services
Phone
601-359-1633
Mon-Fri 8am-5pm CT
Annual due
April 15
Move to bad standing
Processing
1-2 business days
Online filings
Mississippi business environment

Why founders choose Mississippi (and what to know first)

LLC annual report is FREE in Mississippi. Low formation fee ($50). LLCs exempt from franchise tax (Corps pay). Below-average operating costs. Strong manufacturing and shipbuilding sectors.

Economy
~$135B economy
Registered entities
~200,000 active entities
New formations / year
~30,000 annually
Key industries
Agriculture (cotton, soybeans, poultry), manufacturing, shipbuilding, gaming, automotive, forestry
Mississippi tax profile

Tax obligations at a glance

Tax type Where Mississippi stands
State income tax4% to 5%
Corporate income tax4% to 5%
Sales tax7% state (no local)
Franchise tax$2.50 per $1,000 of capital, min $25/year for Corps; LLCs exempt

Tax obligations depend on entity type, where you operate, and where revenue is sourced. Consult a licensed CPA for entity-specific advice. File.Business connects you with vetted CPAs in Mississippi on request.

Beyond the SoS

Other Mississippi agencies your business will touch

The Secretary of State handles formation and corporate filings. These agencies handle the rest of your Mississippi compliance.

Mississippi Dept of Revenue
601-923-7700

State income tax, sales tax, withholding

Mississippi Dept of Employment Security
601-321-6000

Unemployment insurance

Mississippi Insurance Dept
601-359-3569

Insurance licensing

Mississippi Workers Compensation Commission
601-987-4200

Workers comp

Mississippi State Board of Contractors
601-354-6161

Contractor licensing

Mississippi Dept of Marine Resources
228-374-5000

Coastal business licensing

Mississippi compliance calendar

Year-round filings every Mississippi business should know

Recurring federal and state deadlines that affect Mississippi businesses. Our Compliance Calendar tracks these and 200+ others against your entity.

WhenWhat is due
April 15Mississippi annual filing deadline
Jan 31W-2 and 1099 deadlines (federal, applies to all state employers)
Mar 15Form 1065 and 1120-S deadline (pass-through entities)
Apr 15Form 1040 + Q1 federal estimated tax
Jun 15Q2 federal estimated tax
Sep 15Q3 federal estimated tax. Extended 1120-S / 1065
Oct 15Extended 1040 / 1120 deadline
Dec 31Year-end. BOI updates due within 30 days of beneficial-owner changes (FinCEN).
View full Mississippi compliance calendar →
How-to . LLC formation

How to form an LLC in Mississippi: step by step

Each step explained with what Mississippi requires. File.Business handles all of this for $0 service fee plus the $50 state fee.

1
Pick a name

Search the state business name database to confirm the name is distinguishable. Must include LLC, L.L.C., or Limited Liability Company.

2
Choose a registered agent

State street address required (no P.O. Box). The agent must accept the appointment and be available during business hours.

3
File the Articles of Organization

Submit to the Secretary of State with the state filing fee. Online filing is the fastest channel.

4
Draft the operating agreement

Not filed with the state but legally important. Defines members, contributions, distributions, and manager rules.

5
Apply for an EIN

IRS Form SS-4. Online if a member has an SSN; mail/fax if all members are non-US.

6
Open a business bank account

Most banks require: Articles, EIN letter, operating agreement, and beneficial-owner ID.

7
Register for state tax accounts

Department of Revenue for sales tax, withholding accounts if hiring employees.

Start your Mississippi LLC →

Ready to file your Mississippi paperwork the easy way?

Five minutes per filing. State fee passed through at cost. Audit trail and deadline tracking included.

Start a Mississippi filing Get deadline alerts

Disclosure. File.Business is a private business filing and compliance service. We are not a government agency and are not affiliated with the Mississippi Secretary of State, Business Services Division or any Secretary of State office. You may file directly with the Mississippi Secretary of State, Business Services Division. Information on this page is for general guidance only and is not legal, tax, or accounting advice. Filing fees and deadlines verified against the Mississippi Secretary of State, Business Services Division as of June 2026 and may change. For entity-specific guidance, consult a licensed Mississippi attorney or CPA.

File.Business is a private business filing and compliance service. We are not a government agency and are not affiliated with any Secretary of State office. You may file directly with the appropriate state agency. SOC 2 Type II audited. 220,000+ businesses formed since 2017.