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What it takes to form an LLC, state by state
Idaho
Straight talk · Idaho
3 Best LLC Services in Idaho (2026) and What Idaho Really Requires
If you need LLC formation services in Idaho in 2026, here's the order we'd go in: Idaho Registered Agent.co ($199), ID Registered Agent.org ($199) and Mainstay Filing ($199). Whoever you pick, Idaho charges $100 to file, and the services run $397 to $597 over three years.
Straight from the LLC Straight Talk editorial team
Last updated November 13, 2026
Who pays the bills: LLC Straight Talk is reader-supported. We may earn money when you buy through links on this page, and the companies we rank are our partners. Prices come from each company's own pages and official state sources.
The short of it
The short of it
What the state charges
$100, one time
Every year after
Report's free
Registered agent
Yes, you have to
Who we'd use
Idaho Registered Agent.co, ID Registered Agent.org then Mainstay Filing
Idaho picks, best first
Prices come from each company's own page. Here's how we judge .
#1
Who we'd call first
1. Idaho Registered Agent.co: best for owners who'll stay home
$199 plus the state fee, then $99 a year
It starts at $199 with the first agent year thrown in, and from year two you pay $99. That's why Idaho Registered Agent.co is first.
Three years cost less here than at Mainstay Filing, and price counts most.
Nobody here files the annual report for you.
What you get
Idaho formation filing The first agent year's on them
Pluses
The first agent year's included $199 plus the state fee to form Then $99 yearly
What's not
The annual report stays on your plate They charge $99 to apply for your EIN
#2
Idaho specialist
2. ID Registered Agent.org: best for another in-state choice
$199 plus the state fee, then $99 a year
ID Registered Agent.org comes in second because it starts at $199 with the first agent year thrown in, and from year two you pay $99.
Nobody here files the annual report for you.
Its prices match Idaho Registered Agent.co exactly, so the order between them's a close call.
What you get
Idaho formation filing The first agent year's on them
Pluses
$199 plus the state fee to form The first agent year's included Then $99 yearly
What's not
The annual report stays on your plate They charge $99 to apply for your EIN
#3
Works in all 50 states
3. Mainstay Filing: best for skipping the annual report
Annual price $199, renewal price $199, state fee on top
Mainstay Filing takes third place: one yearly price of $199 covers the formation, the registered agent and every annual report.
Idaho Registered Agent.co is $200 less over three years, and that's enough to decide the order.
Annual report filing comes with the service, free at the state.
What you get
Formation handled start to finish Registered agent for twelve straight months Annual report done for you EIN application filed State fees at cost
Pluses
$199 a year covers filing, agent and report Renews at $199 You don't pay extra for the EIN
What's not
$100 a year above Idaho Registered Agent.co after year one
Side by side
# Who First year Then 3 years Covers
1
Idaho Registered Agent.co $199 $99/yr $397 idaho formation filing; The first agent year's on them
Go to Idaho Registered Agent.co
Partner link. We may earn money if you buy.
2
ID Registered Agent.org $199 $99/yr $397 idaho formation filing; The first agent year's on them
Go to ID Registered Agent.org
Partner link. We may earn money if you buy.
3
Mainstay Filing $199 $199/yr $597 formation handled start to finish; registered agent for twelve straight months; annual report done for you
Go to Mainstay Filing
Partner link. We may earn money if you buy.
Service fees only, from each company's prices on November 13, 2026. State fees are the same whoever you pick.
The questions that matter
How much do I need to start an LLC in this state?
The state takes $100, and a service that files for you in year one adds $199.
Add the recurring report and the state's fees reach $100 over three years. go check legislature.idaho.gov , last confirmed October 2026
Which form do I file, and where?
Here's what starts the company: the Certificate of Organization Limited Liability Company, sent to the Idaho Secretary of State.
The law: Idaho Code § 30-25-201. How long the state takes: About 7 to 10 days. go check legislature.idaho.gov , last confirmed October 2026
Do I have to name a registered agent?
Every LLC must name a registered agent with an in-state street address.
An Idaho resident, or a business entity authorized to do business in Idaho. An assumed business name (DBA) cannot serve.
go check legislature.idaho.gov , last confirmed October 2026
What do I owe after that?
The annual report is free, and it's due each year. Put the state's date on your calendar: last day of the entity's anniversary month.
Can I just file it myself?
Yes. Filing it yourself costs only the state's fees: $100 over three years.
That $397 to $597 over three years is what you pay somebody else to deal with the paperwork and the agent role.
Why this order?
On money out the door in three years (35% of the score), Idaho Registered Agent.co wins.
Two tests carry most of the weight: money out the door in three years (35%) and jobs the price actually covers (30%).
Mainstay Filing costs $200 more over three years than Idaho Registered Agent.co, which comes to $397.
How we judge
Idaho: the formation checklist
Requirement Detail Check it
LLC filing fee
$100 go check legislature.idaho.gov , last confirmed October 2026
Registered agent
Yes, you have to go check legislature.idaho.gov , last confirmed October 2026
Annual report
No fee go check legislature.idaho.gov , last confirmed October 2026
State fees, years one to three
$100 The rows above, added up
Every line above links to the state's own page. The total's ours: the filing, two reports and any minimum tax.
Words you'll see
Articles of organization A short state form, sent in with a fee, that starts the company. Get a detail wrong and fixing it later can cost you an amendment fee.
Registered agent The person or company your LLC names to take lawsuits and official state mail on its behalf, using a street address in the state where the LLC is registered.
Annual report A routine check-in with the state. How often it's due and what it costs depends entirely on where you formed.
More questions
How long does the state take?
Is the EIN application included?
With Mainstay Filing it's free. Idaho Registered Agent.co charges $99, ID Registered Agent.org charges $99.
What do the picks cost over three years?
Idaho Registered Agent.co comes out at $397; ID Registered Agent.org comes out at $397; Mainstay Filing comes out at $597, with state fees on top.
Are the fees official?
Official Idaho sources back the state side, and posted prices back the service side.
Do I have to use a service?
No law says you need a service. It's a convenience you pay for.
What's the best LLC service in Idaho?
Idaho Registered Agent.co is first: three years with it total $397, thanks to a $99 renewal. Then comes ID Registered Agent.org and Mainstay Filing.
Don't take our word for it
Don't take our word on Idaho yearly filing: Annual report: legislature.idaho.gov , October 2026, is where it's from, no filter
Don't take our word on Idaho Code § 30-25-201: legislature.idaho.gov , August 2026, is where it's from, no filter
Don't take our word on Idaho formation fee: Filing fee: sos.idaho.gov , October 2026, is where it's from, no filter
Don't take our word on Idaho formation fee: Filing fee: legislature.idaho.gov , October 2026, is where it's from, no filter
Don't take our word on Idaho registered agent statute: legislature.idaho.gov , October 2026, is where it's from, no filter
Don't take our word on Processing, official source: sos.idaho.gov , October 2026, is where it's from, no filter
Idaho Registered Agent.co pricing page, read November 13, 2026
ID Registered Agent.org pricing page, read November 13, 2026
Mainstay Filing Idaho service page, read November 13, 2026