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LLC UnpackedEvery filing, unpacked: the fee, the form, the catch.

Unpacked · Iowa

3 Best Foreign Registration Services in Iowa (2026), Opened Up

In Iowa for 2026, unpack foreign registration services in this order: Iowa Registered Agent.co ($199), Mainstay Filing ($199) and IA Registered Agent.org ($199). Inside the cost: $100 goes to Iowa, and three years of service add $397 to $497.
Unpacked by the LLC Unpacked editorial team

Four things inside

Registration fee
$100
Certificate packed in?
Yes (90 day age cap)
Afterward
$30, biennial report
Our pick
Iowa Registered Agent.co, Mainstay Filing then IA Registered Agent.org

Our Iowa picks, opened up

Curious about the order? The method is here.
Top of the stack

1. Iowa Registered Agent.co: best for adding only this state

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

Iowa Registered Agent.co is first, and it charges $199 with first-year agent service inside, then $99 annually.

A smaller three-year total than Mainstay Filing puts it on top for a company that stays put.

Inside the price

  • Iowa registration filing
  • A first year of agent service

Inside, the good

  • A renewal of $99
  • $199 to register
  • A free agent year at the start

Inside, the catch

  • Iowa only, so the home state needs its own agent
All fifty states

2. Mainstay Filing: best for registering in many states

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

What puts Mainstay Filing second: the fee is $199 on top of Iowa's own, the registered agent is waived at first, and it settles at $149 a year.

Why not higher? Three years cost $100 more than Iowa Registered Agent.co, and cost is the heaviest layer.

After the free first year, the registered agent renews at $149.

Inside the price

  • Out-of-state registration filed
  • Registered agent, waived for the first year
  • The same fee in all fifty states

Inside, the good

  • A free first year of agent service
  • $199 over the state fee
  • Identical fee in every state

Inside, the catch

  • $50 more a year for the agent
The Iowa specialist

3. IA Registered Agent.org: best for another in-state option

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

What puts IA Registered Agent.org third: it charges $199 with first-year agent service inside, then $99 annually.

Its prices match Iowa Registered Agent.co exactly, so the order between them is close.

Inside the price

  • Iowa registration filing
  • A first year of agent service

Inside, the good

  • A free agent year at the start
  • A renewal of $99
  • $199 to register

Inside, the catch

  • Iowa only, so the home state needs its own agent

Inside each price

#CompanyYear oneRenewalThree-year totalWhat is inside
1Iowa Registered Agent.co$199$99/yr$397iowa registration filing; A first year of agent serviceLook inside Iowa Registered Agent.coPartner link. We may earn money if you buy.
2Mainstay Filing$199$149/yr$497Out-of-state registration filed; registered agent, waived for the first year; the same fee in all fifty statesLook inside Mainstay FilingPartner link. We may earn money if you buy.
3IA Registered Agent.org$199$99/yr$397iowa registration filing; A first year of agent serviceLook inside IA Registered Agent.orgPartner link. We may earn money if you buy.
Prices as of November 13, 2026. The state's own fees are in the checklist below.

Opened up, question by question

Does my LLC from another state have to register?

Any LLC formed elsewhere should file its registration with the Iowa Secretary of State, Business Services ahead of its first Iowa transaction.

What an unregistered LLC can run into: any claim it files in Iowa courts can be turned away (Iowa Code 489.902).

peek at sos.iowa.gov, confirmed October 2026

How much does registration cost?

Two parts: $100 to the state and $199 to a service.

Three years of state fees, registration included, stack up to $130. peek at sos.iowa.gov, confirmed October 2026

What registers the LLC?

Your LLC is registered when the Iowa Secretary of State, Business Services accepts the Limited Liability Company Foreign Registration Statement (Form 635_0010).

Pack in certificate of existence (good standing) from the state or country of formation dated no earlier than 90 days.

Is there a filing that repeats?

Next in the box: the biennial report, at $30.

In the state's words, the date is January 1 to April 1 of each odd-numbered year.

Why is the stack in this order?

Iowa Registered Agent.co is strongest on total across three years, a layer worth 34% of the score.

Two layers carry most of the weight, total across three years (34%) and what is inside the price (29%).

Open Iowa Registered Agent.co instead of Mainstay Filing and keep $100 across three years.

How we open it up

Iowa registration, unpacked

PartWhat is insideOfficial source
Registration fee$100peek at sos.iowa.gov, confirmed October 2026
Certificate from homeYes, 90 dayspeek at sos.iowa.gov, confirmed October 2026
Biennial report$30peek at sos.iowa.gov, confirmed October 2026
What the state collects in three years$130Our total of the rows above
Last row = filing fee + two later reports + minimum tax, if the state has one. Variable costs are described in the text, not added.

Also worth asking

Does the home state need its own agent?

Most likely. Each state wants an agent of its own, and while a one-state service covers only one of them, Mainstay Filing covers every state.

How do the three-year totals compare?

Iowa Registered Agent.co runs to $397 and Mainstay Filing runs to $497 and IA Registered Agent.org runs to $397, before state fees.

Are the fees official?

Official Iowa paperwork stands behind every state fee here, and every service price traces back to the company's own pricing.

Does the law require one?

No law requires a service. It is a paid convenience.

Will a service file the registration for me?

Each company here handles the filing itself. What differs between them is only the service fee, since the state charges the same.

Which foreign registration service should I open first in Iowa?

Iowa Registered Agent.co, because three years of its service fees come to $397. Then Mainstay Filing and IA Registered Agent.org.

Originals behind this page

  1. Under Iowa Secretary of State, Business sits help.sos.iowa.gov, dated August 2026, as the original document
  2. Under Iowa Secretary of State, Business sits help.sos.iowa.gov, dated August 2026, as the original document
  3. Under Iowa report due date sits legis.iowa.gov, dated August 2026, as the original document
  4. Under Iowa Code § 489.201 sits legis.iowa.gov, dated August 2026, as the original document
  5. Under Iowa formation fee: Filing fee sits legis.iowa.gov, dated October 2026, as the original document
  6. Under Iowa registered agent statute sits legis.iowa.gov, dated October 2026, as the original document
  7. Under Iowa Secretary of State, business sits sos.iowa.gov, dated October 2026, as the original document
  8. Under LLC Foreign Registration Statement, Form sits sos.iowa.gov, dated October 2026, as the original document
  9. Under Iowa Code 489.902, registration requirement sits legis.iowa.gov, dated October 2026, as the original document
  10. Under Iowa Code 489.905, activities that sits legis.iowa.gov, dated October 2026, as the original document
  11. Under Iowa Secretary of State, certificate sits sos.iowa.gov, dated October 2026, as the original document
  12. Under Iowa Code 489.902, registration to sits legis.iowa.gov, dated November 2026, as the original document
  13. Under Iowa Code 490.1502, registration of sits legis.iowa.gov, dated November 2026, as the original document
  14. Iowa Registered Agent.co pricing page, read November 13, 2026
  15. Mainstay Filing Iowa service page, read November 13, 2026
  16. IA Registered Agent.org pricing page, read November 13, 2026