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Lesson 3 · Iowa

How to Register a Foreign LLC in Iowa (2026): 5 Steps and the 3 Best Services

The short answer for registering a foreign LLC in Iowa this year (2026): Mainstay Filing ($199), IA Registered Agent.org ($199) and Iowa Registered Agent.co ($199), in that order. Registering takes 5 steps below, with $100 paid to the state.

The Founder Classroom teaching team ·

Lesson at a glance

Registration fee
$100Per sos.iowa.gov, last confirmed October 2026
Proof from home state
90 daysHow recent it must be
Report fee
$30Biennial report
State total, years 1 to 3
$130Registration, reports and any minimum tax
How many steps
5One at a time

In this lesson

  • When the rule kicks in
  • The form and the fee
  • What comes after registering
  • Who we would hire to file

Teacher's pick

Iowa: our recommended services

Graded with our rubric: three-year cost 30%, lesson steps handled 35%, then renewal, state fit and clear pricing.
First choice

1. Mainstay Filing: best for companies adding a state

$199 plus state fee, then $149/year

For most new founders in Iowa, Mainstay Filing: $199 on top of the state fee, with the registered agent free for year one and $149 a year after.

Three years with it costs $100 more than IA Registered Agent.org; it wins on what it handles.

The agent renews at $149 a year in every state.

What you get

  • Your filing, done
  • Registered agent free for year one
  • Fifty-state service

What we like

  • No agent fee in year one
  • Same fee in every state
  • $199 plus Iowa's fee

Watch out for

  • $50 more a year for the agent
Visit Mainstay FilingPartner link. We may earn money if you buy.
In-state service

2. IA Registered Agent.org: best for adding just Iowa

$199 plus state fee, then $99/year

Number 2 is IA Registered Agent.org: $199 plus the state fee, first agent year included, then $99 a year.

What you get

  • Registration prepared and filed
  • A year of agent service

What we like

  • Then $99 a year
  • $199 plus the state fee
  • Agent included for year one

Watch out for

  • No help in other states
Visit IA Registered Agent.orgPartner link. We may earn money if you buy.
In-state service

3. Iowa Registered Agent.co: best for a low agent renewal

$199 plus state fee, then $99/year

Number 3 is Iowa Registered Agent.co: $199 plus the state fee, first agent year included, then $99 a year.

On price it ties with IA Registered Agent.org.

What you get

  • Registration prepared and filed
  • A year of agent service

What we like

  • $199 plus the state fee
  • Agent included for year one
  • Then $99 a year

Watch out for

  • No help in other states
Visit Iowa Registered Agent.coPartner link. We may earn money if you buy.

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.
2IA Registered Agent.org$199$99/yr$397Visit IA Registered Agent.orgPartner link. We may earn money if you buy.
3Iowa Registered Agent.co$199$99/yr$397Visit Iowa Registered Agent.coPartner link. We may earn money if you buy.
Each company's listed price on November 12, 2026. The $100 state fee is extra in every row.

Step-by-step lesson

  1. Step 1: Check that registration applies

    An out-of-state LLC that transacts business in Iowa registers before it starts. Skipping it has consequences: Until registered, it is shut out of Iowa courts as a plaintiff (Iowa Code 489.902). The company's contracts remain enforceable (Iowa Code 489.902(3)).

    Official source: Per sos.iowa.gov, last confirmed October 2026

  2. Step 2: Order the home-state document

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

    TipOrder it once the rest of the filing is ready.

  3. Step 3: Name your Iowa registered agent

    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.

    TipAny of our picks covers it.

    Official source: Per legis.iowa.gov, last confirmed October 2026

  4. Step 4: File the Limited Liability Company Foreign Registration Statement

    This filing, the Limited Liability Company Foreign Registration Statement (Form 635_0010), costs $100 at the Iowa Secretary of State, Business Services.

    Official source: Per sos.iowa.gov, last confirmed October 2026

  5. Step 5: Plan for the yearly filing

    Registered foreign LLCs file the biennial report ($30), January 1 to April 1 of each odd-numbered year.

The cost of this lesson

StepPaid toAmount
Foreign registrationState$100
Biennial reportState$30
Filing service (optional)Service company$199 to start
State fees, years one to threeState$130
For the three-year state total we add the filing fee, the reports in years two and three and any minimum yearly tax.

Why Mainstay Filing comes first

On lesson steps handled, which carries 35%, Mainstay Filing scored above IA Registered Agent.org.

Since the LLC operates in two states, coverage decided it.

Common questions

What does it cost to register a foreign LLC in Iowa?

$100 for the filing. A service adds $199.

Which form do I file to register?

It is the Limited Liability Company Foreign Registration Statement (Form 635_0010), and it goes to the Iowa Secretary of State, Business Services.

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?

Until registered, it is shut out of Iowa courts as a plaintiff (Iowa Code 489.902). The company's contracts remain enforceable (Iowa Code 489.902(3)).

What is due after registering?

After registering, the LLC owes the biennial report ($30 each time).

Which service should handle the registration?

Mainstay Filing first, then IA Registered Agent.org and Iowa Registered Agent.co; Mainstay Filing leads on lesson steps handled.

References

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