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Formation Rated

Rankings of registered agents, LLC formation and foreign registration services in all 50 states.

Foreign registration ratings · Iowa

3 Best Foreign Registration Services in Iowa (2026)

From the Formation Rated editorial team
Formation Rated's 2026 ratings for foreign registration services in Iowa, highest first: Mainstay Filing ($199), Iowa Registered Agent.co ($199) and IA Registered Agent.org ($199). Mainstay Filing holds the top rating: $199 plus state fees in any state, first-year registered agent service included.
Position1
Top pick on this page

1. Mainstay Filing: best for companies registered in more than one state

$199 with the state's fee added ($299 at checkout); agent renewal $149

Our score9.4out of 10

Mainstay Filing is rated first: $199 on top of the state's fee, with year one as registered agent free and the same amount in every state.

After a free year one, agent service is $149 yearly anywhere the company registers.

On three-year sums Mainstay is $100 above Iowa Registered Agent.co; the wider coverage justifies that gap in the rating.

What you get

  • Your registration paperwork, handled
  • The first registered agent year costs nothing
  • Free scan-and-upload of papers served, the day they arrive

Pros

  • $199 service fee, state fee separate
  • Same-business-day scans of service of process, no fee
  • Registered agent, no charge in year one
  • The same amount in all fifty states

Trade-offs

  • Agent renewal of $149 is $50 over Iowa Registered Agent.co
Visit Mainstay FilingPartner link. We may earn money if you buy. The Mainstay Filing entry
Position2
Lower renewal than Mainstay

2. Iowa Registered Agent.co: best for adding Iowa and nothing else

Service fee $199, state fee on top; agent $99 a year after that

Our score8.9out of 10

Iowa Registered Agent.co is rated second: the Iowa registration at $199, first agent year included, then $99 yearly.

The plan lists an in-state street address as the registered office and scans papers served there into your account.

What you get

  • The registration filing
  • Registered agent service for year one

Pros

  • $99 a year for the agent after year one
  • A year of registered agent service is in the price
  • Registration line of $199, plus the state's fee

Trade-offs

  • Iowa only; your home state needs its own agent
  • EIN application billed at $99
Visit Iowa Registered Agent.coPartner link. We may earn money if you buy. The Iowa Registered Agent.co entry
Position3
Lower renewal than Mainstay

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

$199 for the service, plus state fees, then $99 a year for the agent

Our score8.7out of 10

IA Registered Agent.org is rated third: the Iowa registration at $199, first agent year included, then $99 yearly.

The plan lists an in-state street address as the registered office and scans papers served there into your account.

IA Registered Agent.org copies Iowa Registered Agent.co on amounts and plan features, so there is little between them.

What you get

  • The registration filing
  • The first year as your registered agent

Pros

  • $99 a year for the agent after year one
  • The first registered agent year is covered
  • $199 service fee and the registration fee

Trade-offs

  • Iowa only; your home state needs its own agent
  • EIN application billed at $99
Visit IA Registered Agent.orgPartner link. We may earn money if you buy. The IA Registered Agent.org entry

The 3 ratings summarized

LineServiceRatingService feeYear twoBest forOpen
1 Mainstay Filing 9.4 $199 $149/yr Companies that register in several states Visit Mainstay FilingPartner link. We may earn money if you buy.
2 Iowa Registered Agent.co 8.9 $199 $99/yr The lowest agent renewal we rank here Visit Iowa Registered Agent.coPartner link. We may earn money if you buy.
3 IA Registered Agent.org 8.7 $199 $99/yr The lowest agent renewal we rank here Visit IA Registered Agent.orgPartner link. We may earn money if you buy.
Our editors assign the ratings out of 10 from the criteria on How we rank. None come from customers.

Iowa foreign registration service amounts for 2026: year one, renewal and three-year sum

ServiceYear oneYear twoYear threeThree-year sumAgent paid for year one
Mainstay Filing$199$149$149$497Free
Iowa Registered Agent.co$199$99$99$397Included
IA Registered Agent.org$199$99$99$397Included
Each amount was read from the company's own site on November 12, 2026. Iowa's $100 registration fee is paid in addition to each line and sits outside these sums.

What decided the order

The rating method counts cost over years one to three and inclusions per price at 27% each and splits 46% among renewal price and terms, fit with state rules and price clarity. For Iowa, inclusions per price was the deciding line.

A foreign registration involves two states, and one provider with one amount in both rated highest on coverage, ahead of Iowa Registered Agent.co.

Each criterion and its weight is listed on How we rank.

Iowa foreign LLC registration: amount, form and office

A company from another state registers by lodging the Limited Liability Company Foreign Registration Statement (Form 635_0010) with the Iowa Secretary of State, Business Services; the state amount is $100. Iowa also needs certificate of existence (good standing) from the state or country of formation, issued inside 90 days of the filing.

Registration adds one recurring line: the biennial report ($30), due January 1 to April 1 of each odd-numbered year.

Have these ready

  • Certificate of existence (good standing) from the state or country of formation, issued within 90 days before the filing.
  • Home-state legal name, spelled exactly, and the formation date.
  • An in-state registered agent; every service rated here can fill the role.
  • $100 to the state, paid with the filing.
  • The date of the biennial report and its $30 fee on your calendar.

What skipping Iowa registration costs

An unregistered outside LLC may not sue in Iowa courts until it registers (Iowa Code 489.902). Contracts it signs remain valid (Iowa Code 489.902(3)).

Iowa foreign registration service: your questions

Is registration compulsory for an outside LLC doing business in Iowa?

Yes, once it does business there. An unregistered company cannot bring suit in the state's courts.

What are the costs of foreign registration in Iowa?

$100 to the state plus $199 to the service.

What form does Iowa use to register a foreign LLC?

the Iowa Secretary of State, Business Services handles it; the form's exact title is on the facts line above.

Must the filing include a home-state certificate for Iowa?

Yes: certificate of existence (good standing) from the state or country of formation, with an issue date within 90 days.

Must a registered agent stay on file after registering?

Yes. A registered agent with a street address in the state stays on record.

Which foreign registration service holds the top rating in Iowa?

Mainstay Filing, as the Iowa registration costs $199, and the registered agent is free for year one and $149 a year after.

Source lines

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