Learn the basics · Iowa
3 Best Foreign Registration Services in Iowa (2026) for Owners
Summary
- What the state charges
- $100
- Proof of existence?
- Required (90 days old, no more)
- Follow-up
- $30, biennial report
- Our picks in order
- IA Registered Agent.org, Mainstay Filing then Iowa Registered Agent.co
Who we recommend in Iowa
Ranked using five checks described on our method page.1. IA Registered Agent.org: best for adding a single state
$199 up front, $99 annually after that
Our first recommendation is IA Registered Agent.org, because registering costs $199 and includes a first year of agent service, then $99 annually.
Cost settles it: three years here total less than with Mainstay Filing.
Includes
- Application prepared and submitted
- No agent charge in year one
Points in its favor
- $99 annually after that
- Year-one agent service is included
- $199 on top of the state fee
Where it falls short
- Nothing outside this state
2. Mainstay Filing: best for growing companies
$199 up front, $149 annually after that
Number 2 on the list is Mainstay Filing, where its $199 fee is the same in every state, and the first year of registered agent service is included.
IA Registered Agent.org is $100 less over three years, which is enough to place it higher.
From the second year, $149 a year covers the registered agent anywhere.
Includes
- Out-of-state registration handled
- Registered agent, included in year one
- Works in all fifty states
Points in its favor
- $199 plus Iowa's fee
- Ready for the next state you add
- Agent service is free for year one
Where it falls short
- Agent renewal of $149 lands $50 over IA Registered Agent.org
3. Iowa Registered Agent.co: best for a one-state add-on
$199 up front, $99 annually after that
In third place is Iowa Registered Agent.co, because registering costs $199 and includes a first year of agent service, then $99 annually.
It charges exactly what IA Registered Agent.org charges; either would serve you well.
Includes
- Application prepared and submitted
- No agent charge in year one
Points in its favor
- $199 on top of the state fee
- Year-one agent service is included
- $99 annually after that
Where it falls short
- Nothing outside this state
Numbers side by side
| # | Company | Year one | Each year after | Three-year total | Covers | |
|---|---|---|---|---|---|---|
| 1 | IA Registered Agent.org | $199 | $99/yr | $397 | application prepared and submitted; no agent charge in year one | Go to IA Registered Agent.orgPartner link. We may earn money if you buy. |
| 2 | Mainstay Filing | $199 | $149/yr | $497 | Out-of-state registration handled; registered agent, included in year one; works in all fifty states | Go to Mainstay FilingPartner link. We may earn money if you buy. |
| 3 | Iowa Registered Agent.co | $199 | $99/yr | $397 | application prepared and submitted; no agent charge in year one | Go to Iowa Registered Agent.coPartner link. We may earn money if you buy. |
What owners want to know
At what point is registration required?
Registration comes first: an LLC from another state signs up before transacting business in Iowa.
The price of not registering includes it cannot bring a lawsuit in Iowa courts until it registers (Iowa Code 489.902).
as of October 2026: sos.iowa.gov
What will registering set me back?
$100 in state fees, plus $199 for a service.
By the end of year three the state has collected $130. as of October 2026: sos.iowa.gov
What gets submitted?
The Iowa Secretary of State, Business Services takes the Limited Liability Company Foreign Registration Statement (Form 635_0010) from LLCs formed in other states.
Attach certificate of existence (good standing) from the state or country of formation dated at most 90 days.
What do I owe after registering?
Biennial report: $30.
Filings come due January 1 to April 1 of each odd-numbered year.
What decided the ranking?
The deciding factor is what three years cost (34% of the weight), where IA Registered Agent.org is strongest.
Our weighting leans on what three years cost first and how much work the price handles second, then three smaller factors.
Over three years IA Registered Agent.org totals $397, which is $100 below Mainstay Filing.
Iowa: rules and fees at a glance
| What it covers | Detail | Where it comes from |
|---|---|---|
| Cost to register | $100 | as of October 2026: sos.iowa.gov |
| Home-state certificate | Required, 90 days | as of October 2026: sos.iowa.gov |
| Biennial report | $30 | as of October 2026: sos.iowa.gov |
| State fees across three years | $130 | The rows above, added |
Other things people ask
Do I need an agent in each state?
Yes. Your home state still requires its own agent, and Mainstay Filing can cover both states under one account.
What does each pick cost across three years?
IA Registered Agent.org comes to $397; Mainstay Filing comes to $497; Iowa Registered Agent.co comes to $397, not counting state fees.
How do you know these fees?
Each state fee links to its official source, and each service price comes from the company's website.
Do I have to hire a service?
No. The state takes filings from owners directly; a service just saves time and covers the agent role.
Do these services handle the filing?
Any of them can file it for you, with the state fee unchanged.
Which company ranks first in Iowa?
IA Registered Agent.org is on top because three years of service fees come to $397; Mainstay Filing and Iowa Registered Agent.co follow.
Documents and pricing pages behind this page
- Iowa Secretary of State, Business, found at help.sos.iowa.gov, confirmed August 2026
- Iowa Secretary of State, Business, found at help.sos.iowa.gov, confirmed August 2026
- Iowa report due date, found at legis.iowa.gov, confirmed August 2026
- Iowa Code § 489.201, found at legis.iowa.gov, confirmed August 2026
- Iowa formation fee: Filing fee, found at legis.iowa.gov, confirmed October 2026
- Iowa registered agent statute, found at legis.iowa.gov, confirmed October 2026
- Iowa Secretary of State, business, found at sos.iowa.gov, confirmed October 2026
- LLC Foreign Registration Statement, Form, found at sos.iowa.gov, confirmed October 2026
- Iowa Code 489.902, registration requirement, found at legis.iowa.gov, confirmed October 2026
- Iowa Code 489.905, activities that, found at legis.iowa.gov, confirmed October 2026
- Iowa Secretary of State, certificate, found at sos.iowa.gov, confirmed October 2026
- Iowa Code 489.902, registration to, found at legis.iowa.gov, confirmed November 2026
- Iowa Code 490.1502, registration of, found at legis.iowa.gov, confirmed November 2026
- Fetched November 13, 2026: the IA Registered Agent.org pricing page
- Fetched November 13, 2026: the Mainstay Filing Iowa service page
- Fetched November 13, 2026: the Iowa Registered Agent.co pricing page