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Kansas . 2026 filing guide

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

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

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Verified against Kansas Secretary of State, Business Services on Jun 12, 2026
Agency
Kansas Secretary of State, Business Services
Branded as Kansas Business Center
Phone
785-296-4564
Mon-Fri 8am-5pm CT
Annual due
April 15
$45 penalty
Processing
1-2 business days
Online filings
Kansas business environment

Why founders choose Kansas (and what to know first)

Strong aerospace and aviation manufacturing presence in Wichita. Central US logistics location. Below-average operating costs. Reasonable filing fees.

Economy
~$200B economy
Registered entities
~250,000 active entities
New formations / year
~40,000 annually
Key industries
Aerospace (Wichita aviation hub), agriculture, oil and gas, manufacturing, logistics (BNSF hub)
Kansas tax profile

Tax obligations at a glance

Tax type Where Kansas stands
State income tax3.1% to 5.7%
Corporate income tax4% to 7%
Sales tax6.5% state + 0-4% local
Franchise taxNone

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 Kansas on request.

Beyond the SoS

Other Kansas agencies your business will touch

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

Kansas Dept of Revenue
785-368-8222

State income tax, sales tax, withholding

Kansas Dept of Labor
785-296-5025

Unemployment insurance

Kansas Insurance Dept
785-296-3071

Insurance licensing

Kansas Dept of Labor, Workers Comp Division
785-296-3441

Workers comp

Kansas Dept of Commerce
785-296-3481

Business incentive programs

Kansas Dept of Agriculture
785-296-3556

Agricultural permits and licensing

Kansas compliance calendar

Year-round filings every Kansas business should know

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

WhenWhat is due
April 15Kansas 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 Kansas compliance calendar →
How-to . LLC formation

How to form an LLC in Kansas: step by step

Each step explained with what Kansas requires. File.Business handles all of this for $0 service fee plus the $160 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 Kansas LLC →

Ready to file your Kansas paperwork the easy way?

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

Start a Kansas 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 Kansas Secretary of State, Business Services or any Secretary of State office. You may file directly with the Kansas Secretary of State, Business Services. Information on this page is for general guidance only and is not legal, tax, or accounting advice. Filing fees and deadlines verified against the Kansas Secretary of State, Business Services as of June 2026 and may change. For entity-specific guidance, consult a licensed Kansas 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.