Formation MathLLC service costs, worked out step by step.
Foreign registration worksheets · Iowa
3 Best Foreign Registration Services in Iowa (2026): Worked Prices
After the sums, Mainstay Filing ($199), IA Registered Agent.org ($199) and Iowa Registered Agent.co ($199) lead the 2026 Iowa table of foreign registration services, in that order. Do the sum: $397 to $497 in service fees by year three, plus $100 to the state for registering.
Worked by the Formation Math editorial team
↓ Sorted by:Rows follow a five-part score in which three-year total counts 42% and coverage 28%
Iowa: the numbers worked
State fee to register$100sos.iowa.gov (checked October 2026) as the source
Year-one totals$199Before government fees
Three-year spread$397 to $497Opening price and two renewals
Three-year state total$130Registration + reports + any tax
Year the lines meetNo crossingSame ranking each year
Rows ranked by value
Service prices only. Add the $100 state fee to any row; it is identical for all.
#Sorted byYear-1 priceRenewal priceSum of 3 years
1
Top score
1. Mainstay Filing: best for LLCs that keep expanding
$199 for registration, $149 for the agent after that
Year-1 price$199
Price after year 1$149/yr
Sum of 3 years$497
Mainstay Filing comes out on top. Working: $199 over Iowa's own fee, followed by $149 a year for the agent.
IA Registered Agent.org totals $100 less over three years, but the 28% coverage term favors this row.
Year one has no agent charge; after that it is $149 a year.
The price buys
Registration papers, prepared and filed
Registered agent with no charge in year one
Valid in all fifty states
Adds up
Same fee wherever you register
Service charge of $199
Registered agent costs nothing in year one
Does not add up
Agent renews at $149, which is $50 above IA Registered Agent.org
2
In-state provider
2. IA Registered Agent.org: best for the smallest annual agent total
$199 for registration, $99 for the agent after that
Year-1 price$199
Price after year 1$99/yr
Sum of 3 years$397
IA Registered Agent.org is row 2: registration in Iowa costs $199 here, with a $99 agent renewal after that.
The price buys
Registration handled start to finish
Year-one agent service
Adds up
First agent year included
Agent renews at $99
$199 over the state fee
Does not add up
The home state still needs a different agent
3
In-state provider
3. Iowa Registered Agent.co: best for a second in-state filer
$199 for registration, $99 for the agent after that
Year-1 price$199
Price after year 1$99/yr
Sum of 3 years$397
Iowa Registered Agent.co is row 3: registration in Iowa costs $199 here, with a $99 agent renewal after that.
No difference in price from IA Registered Agent.org.
Our state figure adds three things: the filing, two years of reports and a minimum tax where there is one. Variable costs like publication stay out.
How the ranking worked out
Mainstay Filing scored above IA Registered Agent.org on items covered per dollar, a 28% term.
The home state counts too; covering both with one account scored highest.
Iowa foreign LLC registration fee and rules, from the source
The Iowa Secretary of State, Business Services collects $100 and the Limited Liability Company Foreign Registration Statement (Form 635_0010) from out-of-state LLCs doing business in Iowa. The filing also needs certificate of existence (good standing) from the state or country of formation from within the last 90 days.
Operating unregistered risks no lawsuits as plaintiff in Iowa courts until it registers (Iowa Code 489.902).
Quoted from: sos.iowa.gov (checked October 2026) as the source
Filing it yourself, worked out
With no service, three years cost $130 in state fees. Each service adds its own row, $397 to $497 over the same period.
About these figures
How much does Iowa take to register an out-of-state LLC?
$100 as the official fee, and our rows add $199.
What do the services add up to over three years?
$397 to $497 in service fees, with state fees on top.
Which form does the registering?
The form is Limited Liability Company Foreign Registration Statement (Form 635_0010), and the Iowa Secretary of State, Business Services receives it.
Does Iowa ask for a paper from the home state?
Yes, and it must be under 90 days old: certificate of existence (good standing) from the state or country of formation.
What recurring filing comes after registration?
The biennial report, which costs $30.
In what year does one service pass another in total cost?
They stay in the same order for ten years.
Which foreign registration service is best value in Iowa?
Mainstay Filing, which wins on items covered per dollar. Then IA Registered Agent.org and Iowa Registered Agent.co.