LLC formation cost calculators + Idaho
3 Best LLC Services in Idaho (2026): Cost Calculator
Result order: Sorted by a five-term formula where cost is 41% and coverage 27%
Main figures
Idaho ranking
1. Idaho Registered Agent.co: best for plain formation
Best resultIdaho Registered Agent.co comes first because $199 for year one, then $99 for every year after.
Cost settles it: three years here calculate to less than three years with Mainstay Filing.
The annual report is not among the things this price pays for.
Inputs covered
- Articles of organization, filed
- Agent service for the first year
Adds up well
- $99 a year after that
- $199 plus the state fee
- No agent charge in year one
Adds up badly
- The annual report remains with you
- EIN add-on: $99
2. Mainstay Filing: best for not touching the annual report again
Most work coveredResult 2: Mainstay Filing. One $199 input includes formation, registered agent service and every annual report.
At year three it falls $200 behind Idaho Registered Agent.co.
Covering the annual report costs nothing extra, and the state asks nothing for it.
Inputs covered
- Formation delivered to the state office
- Registered agent for the full year
- Annual report, filed when due
- EIN application prepared
- Government fee passed through unchanged
Adds up well
- $199 in year two
- The EIN application is taken care of
- $199 per year with everything in
Adds up badly
- Idaho Registered Agent.co renews for $100 less
3. ID Registered Agent.org: best for a local formation service
Idaho focusID Registered Agent.org holds position 3 because $199 for year one, then $99 for every year after.
The annual report is not among the things this price pays for.
Its inputs match Idaho Registered Agent.co's exactly.
Inputs covered
- Articles of organization, filed
- Agent service for the first year
Adds up well
- No agent charge in year one
- $99 a year after that
- $199 plus the state fee
Adds up badly
- The annual report remains with you
- EIN add-on: $99
Results over time
| Rank | Service | Result, year 1 | Result, year 2 | Result, year 3 | Result, year 5 | |
|---|---|---|---|---|---|---|
| 1 | Idaho Registered Agent.co | $199 | $298 | $397 | $595 | Open Idaho Registered Agent.coPartner link. We may earn money if you buy. |
| 2 | Mainstay Filing | $199 | $398 | $597 | $995 | Open Mainstay FilingPartner link. We may earn money if you buy. |
| 3 | ID Registered Agent.org | $199 | $298 | $397 | $595 | Open ID Registered Agent.orgPartner link. We may earn money if you buy. |
Break-even test
Idaho fee list
| Input | Amount | Source |
|---|---|---|
| Cost to form | $100 | legislature.idaho.gov {input read October 2026, shown in full} |
| Annual report | No charge | legislature.idaho.gov {input read October 2026, shown in full} |
| Three-year state total | $100 | Sum of the inputs above |
How the result came out
Calculated three-year cost put Idaho Registered Agent.co first. That term is 41% of the formula, and filing work in the price, renewal change, break-even year and input clarity make up the remainder.
Idaho Registered Agent.co adds up to $397 by year three, $200 below Mainstay Filing.
Add the EIN application as an input and Mainstay Filing's total passes Idaho Registered Agent.co's in year 2.
How Idaho describes its LLC filing fee and filing requirements
You submit the Certificate of Organization Limited Liability Company to the Idaho Secretary of State along with $100 (Idaho Code § 30-25-201). Every LLC must name a registered agent with an in-state street address.
Cited at: legislature.idaho.gov {input read October 2026, shown in full}
Without a service
$100 is the lowest this calculation goes, because it holds only state fees. The services above put $397 to $597 on top.
Questions
What do LLC formation services cost in Idaho?
$199 for the service and $100 for the state.
What do these services calculate to over three years?
$397 to $597 in service fees, with state fees on top.
How much does Idaho charge to file an LLC?
$100 is due when you submit the Certificate of Organization Limited Liability Company.
What does Idaho charge each year after formation?
The repeating input is the annual report, at no cost annually (last day of the entity's anniversary month).
Is the EIN application part of the price?
Idaho Registered Agent.co bills $99 more, Mainstay Filing bundles it in and ID Registered Agent.org bills $99 more.
When does one service pass another in total cost?
The results do not cross in the first ten years.
Which LLC formation service calculates best in Idaho?
Result one is Idaho Registered Agent.co, then Mainstay Filing, then ID Registered Agent.org.
Input sources
- Idaho yearly filing: Annual report is entered from legislature.idaho.gov (October 2026).
- Idaho Code § 30-25-201 is entered from legislature.idaho.gov (August 2026).
- Idaho formation fee: Filing fee is entered from sos.idaho.gov (October 2026).
- Idaho formation fee: Filing fee is entered from legislature.idaho.gov (October 2026).
- Idaho registered agent statute is entered from legislature.idaho.gov (October 2026).
- Number entered from the Idaho Registered Agent.co pricing page page on November 13, 2026
- Number entered from the Mainstay Filing Idaho service page page on November 13, 2026
- Number entered from the ID Registered Agent.org pricing page page on November 13, 2026