Skip to content
LLC PlainlyThe LLC stuff, in words you actually use.

Just the facts · Iowa

3 Best Registered Agents in Iowa (2026), Simply Ranked

In Iowa for 2026, we like IA Registered Agent.org ($99 a year), Mainstay Filing ($149 a year) and Iowa Registered Agent.co ($99 a year), ranked from first to last. Prices start at $99 to $149 a year and add up to $297 to $447 by year three.
From the LLC Plainly editorial team

The short version

Do you need one?
Yes, the law says so
The law calls it
Registered agent
Service price
$99 to $149 every year
Who to use
IA Registered Agent.org, Mainstay Filing then Iowa Registered Agent.co

Who we like in Iowa

Wondering about the order? How we pick explains it.
Our favorite

1. IA Registered Agent.org: best for keeping three-year cost low

$99 yearly, renewing at $99

IA Registered Agent.org gets the top spot: $99 a year gets you an agent right in the state.

With a lower three-year cost than Mainstay Filing, it comes first for a company that stays put.

Your money buys

  • Your registered office address
  • Your legal mail, scanned

The good

  • Annual price $99; renewal price $99
  • Wins against Mainstay Filing on price per year

Trade-offs

  • Only one state covered
  • Nothing here covers the biennial report
All 50 states

2. Mainstay Filing: best for owners who plan to grow

$149 yearly, renewing at $149

Number 2 is Mainstay Filing: its price doesn't change by state: $149 a year, $149 at renewal.

Over three years it costs $150 more than IA Registered Agent.org, and we weigh cost the most.

Your money buys

  • An office address in the state
  • Three government mailings a year scanned for free
  • Works for LLCs, corporations, LPs, LLPs and nonprofits too

The good

  • The same price in all fifty states
  • Annual price $149; renewal price $149

Trade-offs

  • Runs $50 higher a year
  • Reports aren't part of the agent plan
One-state pick

3. Iowa Registered Agent.co: best for another local choice

$99 yearly, renewing at $99

Number 3 is Iowa Registered Agent.co: $99 a year gets you an agent right in the state.

IA Registered Agent.org charges the same, which makes this nearly a tie.

Your money buys

  • Your registered office address
  • Your legal mail, scanned

The good

  • Wins against Mainstay Filing on price per year
  • Annual price $99; renewal price $99

Trade-offs

  • Only one state covered
  • Nothing here covers the biennial report

At a glance

#WhoYear oneRenewal3 yearsCovers
1IA Registered Agent.org$99$99/yr$297your registered office address; your legal mail, scannedTake a look at IA Registered Agent.orgPartner link. We may earn money if you buy.
2Mainstay Filing$149$149/yr$447an office address in the state; three government mailings a year scanned for free; Works for LLCs, corporations, LPs, LLPs and nonprofits tooTake a look at Mainstay FilingPartner link. We may earn money if you buy.
3Iowa Registered Agent.co$99$99/yr$297your registered office address; your legal mail, scannedTake a look at Iowa Registered Agent.coPartner link. We may earn money if you buy.
Prices as of November 13, 2026. Your state's own fees are in the checklist below.

Your questions, answered

Does my LLC need a registered agent here?

Every LLC must name a registered agent with an in-state street address.

Cited law: Iowa Code § 489.115. legis.iowa.gov, confirmed October 2026 (official)

What does the state require of an agent?

Any individual or business with a place of business in Iowa that has agreed to serve.

Qualify, and the job can be yours for free.

What does an agent cost?

$99 to $149 per year, $297 to $447 over three years.

State fees don't move with your choice of agent.

What's the agent there for?

It collects lawsuits and official state mail for your LLC at an address in Iowa.

If papers arrive and nobody accepts them, a case may move ahead without you. What does "service of process" mean?

What's due each year apart from the agent?

Mostly the biennial report, every second year, at $30. The state's due date: April 1 of odd-numbered years. Jot that down early.

help.sos.iowa.gov, confirmed October 2026 (official)

How did you decide the order?

Cost across three years, worth 33%, put IA Registered Agent.org first.

Together, cost across three years and work taken off your hands make up 64% of the score.

You'd pay $297 over three years at IA Registered Agent.org, which is $150 less than at Mainstay Filing.

Read the method

What Iowa wants

ItemAmount or ruleCheck it
What you pay to file$50legis.iowa.gov, confirmed October 2026 (official)
Registered agentYes, the law says solegis.iowa.gov, confirmed October 2026 (official)
Biennial report$30 every two yearshelp.sos.iowa.gov, confirmed October 2026 (official)
Three-year state total$80The rows above, added up
The last row is our own sum: the filing fee, the reports for years two and three and any minimum tax. Costs with no set price, like a newspaper notice, are left out.

Other things people ask

Can I act as my own agent?

Usually yes. Check the two rules above, who qualifies and the address.

What type of address qualifies?

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.

What's each pick's bill across three years?

IA Registered Agent.org $297; Mainstay Filing $447; Iowa Registered Agent.co $297

How official are these figures?

Iowa's fee schedules and forms for state costs; each company's price page for service costs.

Does the state make me use a service?

You can skip it. The state's fee is the same whichever way you file.

Who would you go with in Iowa?

IA Registered Agent.org wins on cost across three years, ahead of Mainstay Filing and Iowa Registered Agent.co.

Sources, with dates

  1. help.sos.iowa.gov: the page for Iowa Secretary of State, Business, seen August 2026
  2. help.sos.iowa.gov: the page for Iowa Secretary of State, Business, seen August 2026
  3. legis.iowa.gov: the page for Iowa report due date, seen August 2026
  4. legis.iowa.gov: the page for Iowa Code § 489.201, seen August 2026
  5. legis.iowa.gov: the page for Iowa formation fee: Filing fee, seen October 2026
  6. legis.iowa.gov: the page for Iowa registered agent statute, seen October 2026
  7. We read the IA Registered Agent.org pricing page on November 13, 2026
  8. We read the Mainstay Filing Iowa service page on November 13, 2026
  9. We read the Iowa Registered Agent.co pricing page on November 13, 2026