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LLC SchoolhousePlain LLC lessons, one state at a time.

Lesson 3 · Iowa

Foreign LLC Registration in Iowa (2026): a 5-Step Lesson and the 3 Best Services

The graded picks for registering an LLC from another state in Iowa this year (2026) are Mainstay Filing ($199), Iowa Registered Agent.co ($199) and IA Registered Agent.org ($199), best grade first. The 5 steps run from checking whether you must register to keeping up with the yearly filing, and the state fee is $100.

Taught by the LLC Schoolhouse editors

The short version

State registration fee$100sos.iowa.gov confirms it, as of October 2026
Certificate required90 daysAge limit
Annual filing$30Biennial report
What the state collects in three years$130Before service fees
Steps in this lesson5Numbered below

By the end you will know

  • When an out-of-state LLC must register with Iowa
  • How the filing works
  • Staying in good standing
  • Who we would hire to file

If you would like help with the filing

Five weighted criteria from how we grade set the order, and three-year cost and steps handled count most.
Highest mark

1. Mainstay Filing: best for one provider for both states

$199 plus the $100 state fee, then $149 a year

Mainstay Filing gets our top grade for Iowa: it files the Iowa registration for $199 plus the state fee and covers the first agent year.

Over three years it costs $100 more than Iowa Registered Agent.co, but the grade rewards the extra steps it takes care of.

After year one, the agent costs $149 a year.

What the price covers

  • Filing with the state
  • The registered agent costs nothing in year one
  • One fee in every state

Marks in its favor

  • Agent covered for year one
  • One price anywhere
  • $199 above the state fee

Where it loses points

  • A bigger agent renewal ($149)
Iowa focus

2. Iowa Registered Agent.co: best for a budget registration

$199 plus the $100 state fee, then $99 a year

Taking second place is Iowa Registered Agent.co, where it files the Iowa registration for $199 and includes a year of agent service, then renews at $99.

What the price covers

  • Registration prepared and filed
  • One year of agent service

Marks in its favor

  • $99 a year for the agent afterward
  • A service fee of $199
  • The first agent year is in the price

Where it loses points

  • A one-state service
Iowa focus

3. IA Registered Agent.org: best for Iowa registrations

$199 plus the $100 state fee, then $99 a year

Taking third place is IA Registered Agent.org, where it files the Iowa registration for $199 and includes a year of agent service, then renews at $99.

On price it is level with Iowa Registered Agent.co.

What the price covers

  • Registration prepared and filed
  • One year of agent service

Marks in its favor

  • The first agent year is in the price
  • A service fee of $199
  • $99 a year for the agent afterward

Where it loses points

  • A one-state service

The grades and prices at a glance

#ServiceFirst yearFrom year twoThree-year total
1Mainstay Filing$199$149/yr$497Visit Mainstay FilingPartner link. We may earn money if you buy.
2Iowa Registered Agent.co$199$99/yr$397Visit Iowa Registered Agent.coPartner link. We may earn money if you buy.
3IA Registered Agent.org$199$99/yr$397Visit IA Registered Agent.orgPartner link. We may earn money if you buy.
Prices come from each company's own site, read November 13, 2026. Add Iowa's $100 registration fee to each row.

The Iowa registration, in order

  1. Step
    1

    Decide whether Iowa registration is required

    Out-of-state LLCs that transact business in Iowa file a foreign registration. If the LLC works there without registering: A suit started by an unregistered LLC will not be heard there (Iowa Code 489.902). Signed contracts keep their force (Iowa Code 489.902(3)).

    Where this comes from: sos.iowa.gov confirms it, as of October 2026

  2. Step
    2

    Obtain your home state's certificate

    The filing needs certificate of existence (good standing) from the state or country of formation, at most 90 days.

    Order it last so it is still fresh when you file.

  3. Step
    3

    Find a registered agent with an Iowa address

    Every LLC must name a registered agent with an in-state street address. The address has to be a place of business in Iowa. The registered office street address and the agent's business office have to match, and P.O. boxes are not accepted.

    Any of our picks covers the role.

    Where this comes from: legis.iowa.gov confirms it, as of October 2026

  4. Step
    4

    Prepare and file the Limited Liability Company Foreign Registration Statement

    Prepare the Limited Liability Company Foreign Registration Statement (Form 635_0010), add $100, and send both to the Iowa Secretary of State, Business Services.

    Where this comes from: sos.iowa.gov confirms it, as of October 2026

  5. Step
    5

    Stay registered

    What recurs is the biennial report, $30, January 1 to April 1 of each odd-numbered year.

Costs, step by step

StepPaid toAmount
Registering the LLCThe state$100
Biennial reportThe state$30
A service, if you use oneThe provider$199 for year one
State fees, years one to threeThe state$130
Three-year state total: the filing, plus reports in years two and three, plus any minimum tax. Sources are below.

Behind the ranking

Homework the price handles decided first place in Iowa. It is worth 33% of the grade, and the rest comes from tuition over three years, year-two price, fit with the state's lesson plan and pricing a beginner can read.

Because the LLC was formed somewhere else, a provider able to serve the home state and this one earned the best grade.

Test yourself on Iowa

What does Iowa charge for registering a foreign LLC?

$100 at the state office. A service adds $199.

Which form do I file to register?

Registration runs on one form, which the Iowa Secretary of State, Business Services receives.

Do I need a certificate from my home state?

Yes: certificate of existence (good standing) from the state or country of formation, issued within 90 days of filing.

What if the LLC does business there without registering?

A suit started by an unregistered LLC will not be heard there (Iowa Code 489.902). Signed contracts keep their force (Iowa Code 489.902(3)).

What is due after registering?

Step 5 covers it: the biennial report for $30.

Which service should handle the registration?

By grade: Mainstay Filing, Iowa Registered Agent.co and IA Registered Agent.org. Mainstay Filing is first because $199 above the state fee in any state, and the first year of agent service costs nothing.

Related lessons

Class references

  1. Iowa Secretary of State, Business Services Division is covered in the official page at help.sos.iowa.gov; our notes follow it as of August 2026.
  2. Iowa Secretary of State, Business Services Division is covered in the official page at help.sos.iowa.gov; our notes follow it as of August 2026.
  3. Iowa report due date is covered in the official page at legis.iowa.gov; our notes follow it as of August 2026.
  4. Iowa Code § 489.201 is covered in the official page at legis.iowa.gov; our notes follow it as of August 2026.
  5. Iowa formation fee: Filing fee, official source is covered in the official page at legis.iowa.gov; our notes follow it as of October 2026.
  6. Iowa registered agent statute is covered in the official page at legis.iowa.gov; our notes follow it as of October 2026.
  7. Iowa Secretary of State, business entity forms and is covered in the official page at sos.iowa.gov; our notes follow it as of October 2026.
  8. LLC Foreign Registration Statement, Form 635_0010 is covered in the official page at sos.iowa.gov; our notes follow it as of October 2026.
  9. Iowa Code 489.902, registration requirement is covered in the official page at legis.iowa.gov; our notes follow it as of October 2026.
  10. Iowa Code 489.905, activities that do not count is covered in the official page at legis.iowa.gov; our notes follow it as of October 2026.
  11. Iowa Secretary of State, certificate of existence is covered in the official page at sos.iowa.gov; our notes follow it as of October 2026.
  12. Iowa Code 489.902, registration to do business is covered in the official page at legis.iowa.gov; our notes follow it as of November 2026.
  13. Iowa Code 490.1502, registration of a foreign corporation is covered in the official page at legis.iowa.gov; our notes follow it as of November 2026.
  14. Mainstay Filing Iowa service page: opened and read on November 13, 2026
  15. Iowa Registered Agent.co pricing page: opened and read on November 13, 2026
  16. IA Registered Agent.org pricing page: opened and read on November 13, 2026