3 Best Foreign Registration Services in Iowa (2026) and What to Check
For foreign registration services in Iowa, we recommend Mainstay Filing ($199), Iowa Registered Agent.co ($199) and IA Registered Agent.org ($199) in 2026, ranked from first to last. All of the picks pay Iowa $100; service fees for three years run $397 to $497.
Written by the Simple Filing Guide editorial team
Four facts to know
Cost to register
$100
Proof from home?
Yes, attach it (90 days or newer)
After you register
$30, biennial report
Recommended
Mainstay Filing, Iowa Registered Agent.co then IA Registered Agent.org
Recommended in Iowa
Ranked best first using the checks described on the method page.
#1Number 1
1. Mainstay Filing: best for LLCs adding more states
Year one $199; later years $149
Start with Mainstay Filing in Iowa: the fee is $199 in every state, and the registered agent is included for the first year.
Over three years this costs $100 more than Iowa Registered Agent.co, and the extra pays for service in every state.
Once the free year ends, the registered agent renews at $149.
Prices as of November 13, 2026; the state's own fees are listed in the checklist below.
Step by step
When must an out-of-state LLC register here?
Before an LLC formed elsewhere starts business in Iowa, it registers.
Doing business unregistered risks it has no standing to bring its own lawsuits (Iowa Code 489.902).
sos.iowa.gov, last confirmed October 2026 for this guide
What are the fees for registering?
Plan on $100 for the state; a service adds $199.
Over three years the state's fees reach $130, counting any recurring report. sos.iowa.gov, last confirmed October 2026 for this guide
What is the application called?
You need one form, the Limited Liability Company Foreign Registration Statement (Form 635_0010), and the Iowa Secretary of State, Business Services is where it goes.
Provide certificate of existence (good standing) from the state or country of formation issued within the last 90 days.
What do I owe once registered?
Next you file the biennial report, at $30.
The state sets the deadline at January 1 to April 1 of each odd-numbered year.
What put the first pick on top?
Mainstay Filing leads on filing jobs included, which carries 27% of our score.
Start with total for three years, then filing jobs included, then three smaller checks.
Iowa Registered Agent.co covers only Iowa; your home state would still need another provider.