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Iowa . 2026 filing guide

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

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

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Verified against Iowa Secretary of State, Business Services Division on Jun 12, 2026
Agency
Iowa Secretary of State, Business Services Division
Branded as Iowa Business Services
Phone
515-281-5204
Mon-Fri 8am-4:30pm CT
Annual due
April 1 (biennial)
$25 penalty
Processing
Same day
Online filings
Iowa business environment

Why founders choose Iowa (and what to know first)

Lowest filing fees in the country ($50 formation, $5 reinstatement/change/dissolution). Biennial reporting. Strong agriculture and insurance industries. Decreasing income tax rates.

Economy
~$220B economy
Registered entities
~350,000 active entities
New formations / year
~45,000 annually
Key industries
Agriculture (corn + pork capital), biofuels, financial services (Principal Financial HQ), insurance, manufacturing, technology (data centers)
Iowa tax profile

Tax obligations at a glance

Tax type Where Iowa stands
State income tax4.4% to 5.7% (decreasing)
Corporate income tax5.5% to 7.1% graduated
Sales tax6% state + 0-1% 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 Iowa on request.

Beyond the SoS

Other Iowa agencies your business will touch

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

Iowa Dept of Revenue
515-281-3114

State income tax, sales tax, withholding

Iowa Workforce Development
515-281-5387

Unemployment insurance

Iowa Insurance Division
515-654-6600

Insurance licensing

Iowa Workers Compensation
515-725-4120

Workers comp

Iowa Dept of Inspections, Appeals + Licensing
515-281-7102

Professional licensing

Iowa Alcoholic Beverages Division
515-281-7400

Alcohol licensing

Iowa compliance calendar

Year-round filings every Iowa business should know

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

WhenWhat is due
April 1 (biennial)Iowa 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 Iowa compliance calendar →
How-to . LLC formation

How to form an LLC in Iowa: step by step

Each step explained with what Iowa 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 Iowa LLC →

Ready to file your Iowa paperwork the easy way?

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

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Disclosure. File.Business is a private business filing and compliance service. We are not a government agency and are not affiliated with the Iowa Secretary of State, Business Services Division or any Secretary of State office. You may file directly with the Iowa 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 Iowa Secretary of State, Business Services Division as of June 2026 and may change. For entity-specific guidance, consult a licensed Iowa 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.