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LLC registration

How to Register an LLC in Idaho

Registering an LLC in Idaho means filing a Certificate of Organization with the Idaho Secretary of State (sosbiz.idaho.gov), for $100. That one filing creates the company. Here is what the filing asks for, what it costs, how long Idaho says it takes, and the Idaho registrations that come after it.

By Standard Filings · Last updated · State fees verified October 2026 · Reviewed by the Standard Filings editorial team

Ready to file in Idaho?

The certificate of organization prepared and filed for you, the state fee shown on its own line before you pay, and the approved copy emailed.

File your Idaho LLC

at america-llc-filing.com, or start on Standard Filings

What registering an LLC in Idaho means

Idaho keeps the register of companies formed under its law. Your LLC is on it the moment the Idaho Secretary of State files a Certificate of Organization. From that day the company can open a bank account, sign contracts and be sued in its own name rather than yours. The registration does not include a federal tax number, an Idaho tax account or a local business license; those come after and are separate registrations with other offices.

People use "register", "form" and "file" for the same act. In Idaho the act is one document, a Certificate of Organization, and one fee, $100. The step-by-step for everything around it, from the operating agreement to the bank account, is in how to start an LLC in Idaho; this page is about the registration itself.

Registration document
Idaho
Certificate of Organization
Filed with
Idaho
The Idaho Secretary of State (sosbiz.idaho.gov)
State fee
Idaho
$100
Registered agent
Idaho
Required; Idaho street address
Published processing time
Idaho
About 7-10 days from filing (sos.idaho.gov)
State expedite
Idaho
+$40 expedited; +$100 same day (form instructions); same-day requests by 1 p.m. MT.
Recurring state report
Idaho
free report required yearly, due end of anniversary month

What it costs to register an LLC in Idaho

The filing fee is set by Idaho and is the same whether you file it yourself or a service files it for you. Idaho charges $100 for the Certificate of Organization.

Certificate of Organization filing fee
Amount
$100
Notes
Paid once, to the state
Expedited review
Amount
+$40 expedited; +$100 same day (form instructions); same-day requests by 1 p.m. MT.
Notes
Optional, set by the state
Recurring annual report
Amount
free report required yearly
Notes
Due end of anniversary month
Late penalty on the report
Amount
No flat late fee published; a missed report still risks loss of good standing.

State fees verified October 2026 and set by the state, not by us. Online filing prices. Yearly costs, the five-year total and how Idaho compares are in Idaho LLC cost.

Step 1: Confirm Idaho is the state to register in

Register where the company will actually operate. An LLC that does business in Idaho but registers elsewhere has to register in Idaho anyway, as a foreign LLC, and pay two states.

Wyoming, Delaware and Nevada come up because of privacy, case law or taxes. They make sense for a holding company or a business with no fixed location. A company that operates in Idaho and registers somewhere else ends up registered in both. The comparison is in cheapest states to form an LLC.

Step 2: Clear the name with Idaho

Idaho requires a name distinguishable from every company on its records, with an LLC designator. Search the state's business records at sosbiz.idaho.gov before you file.

Rules on designators, restricted words and the distinguishability test are in LLC name rules. A rejection for a name conflict costs days and, in some states, a second fee.

Step 3: Name an Idaho registered agent

Idaho requires a registered agent with an Idaho street address, available in business hours. On the filing: No agent signature on the certificate; FAQ says agent services must be arranged before filing.

Who may serve, whether the agent signs, and what becomes public: Idaho registered agent requirements.

Step 4: Prepare a Certificate of Organization

The Idaho form asks for the company name with its LLC designator, the registered agent and its Idaho street address, the principal or mailing address, and the organizer who signs. Must be signed by an organizer or authorized person; only one signature required. A filing service can sign as authorized person (FAQ acknowledges third-party filers). Everything on it becomes a public record; what Idaho shows is listed below.

The document itself, and what every state's version asks for, is explained in articles of organization.

Step 5: File a Certificate of Organization and pay the $100 fee

Filed with the Idaho Secretary of State (sosbiz.idaho.gov). The state fee is $100, paid once. Idaho publishes this guidance on processing: About 7-10 days from filing (sos.idaho.gov)

Faster review: +$40 expedited; +$100 same day (form instructions); same-day requests by 1 p.m. MT.

Idaho takes the filing from the public at sosbiz.idaho.gov. Ready to file? The Certificate of Organization prepared and filed for you, with the state fee on its own line: form your Idaho LLC at america-llc-filing.com.

Step 6: Complete the Idaho registrations that follow

One registration follows in Idaho: (1) Annual report via SOSBiz. Then the federal tax number and the operating agreement.

The order and the deadlines are in what to do after forming an LLC. The recurring state report is the one owners forget.

What becomes public when you register in Idaho

Everything on a Certificate of Organization is a public record once Idaho files it; anyone can pull it from the state's business search. On the Idaho filing: At least one 'governor' (manager if manager-managed, member if member-managed) - name and address; organizer/authorized person signature; registered agent.

Must be signed by an organizer or authorized person; only one signature required. A filing service can sign as authorized person (FAQ acknowledges third-party filers). The operating agreement, the ownership split and the tax election are not filed with Idaho and stay private. Do you need an operating agreement?

How long Idaho takes to register an LLC

Idaho publishes this guidance on processing: About 7-10 days from filing (sos.idaho.gov) Paid faster review is offered: +$40 expedited; +$100 same day (form instructions); same-day requests by 1 p.m. MT. The figures are the state's own and move with its workload; a rejection for a name conflict or a missing agent consent restarts the clock. Every state's published time is in how long it takes to form an LLC.

Ready to register your Idaho LLC?

Name checked, Certificate of Organization prepared and filed with Idaho, the $100 state fee on its own line, approved copy emailed.

File your Idaho LLC →

After registration in Idaho

The state registration is the first of several. These are the ones Idaho owners run into, in the order they usually come up.

  • Annual report via SOSBiz. Due each year by the end of the month of formation (anniversary month), starting the year after formation. Cost: $0.
  • Federal tax number (EIN). Issued by the IRS after the state registration, at no charge; the bank asks for it. How to get one: Idaho EIN number.
  • Operating agreement. Not filed with Idaho, but the document that says who owns the company and who can sign for it.

The recurring report is where most companies lose good standing. When it is due, file the Idaho report at america-llc-filing.com, or the Idaho LLC annual report page has the due date, fee, late penalty and portal.

Before you file in Idaho

From Idaho's published forms and filing instructions:

  • Certificate needs the name and address of at least one governor (member/manager).
  • Agent must be an Idaho resident or registered entity at an Idaho physical address (no PO/PMB).

Sources

The Idaho facts on this page come from the state's own forms, fee schedules and statutes, read for the October 2026 fee audit. Fees change; the state's page is the final word.

Standard Filings is a filing service, not a law firm. This page is general information from Idaho's published filing rules and fee schedules, not legal or tax advice.

Idaho LLC registration FAQ

How much does it cost to register an LLC in Idaho?+

Idaho charges $100 to file the Certificate of Organization, paid once to the state and the same whether you file yourself or use a service. After that, the recurring requirement is free report required yearly, due end of anniversary month. State fees verified October 2026; the full picture is in Idaho LLC cost.

Where do I register an LLC in Idaho?+

With the Idaho Secretary of State (sosbiz.idaho.gov). That is the only office that creates the company. Tax accounts, the registrations listed above and local licenses are registered separately afterwards.

How long does Idaho take to register an LLC?+

Idaho publishes this guidance on processing: About 7-10 days from filing (sos.idaho.gov) Paid faster review is offered: +$40 expedited; +$100 same day (form instructions); same-day requests by 1 p.m. MT.

Do I need an Idaho registered agent?+

Yes. Idaho requires a registered agent with an Idaho street address, available in business hours. On the filing: No agent signature on the certificate; FAQ says agent services must be arranged before filing. Who may serve and what becomes public is in Idaho registered agent requirements.

Can I register an Idaho LLC from out of state?+

Yes. Idaho takes filings from anyone, but the registered agent must have an Idaho street address, so an out-of-state owner names an Idaho resident or a registered agent company. If the company does business where you live, it registers there too, as a foreign LLC.

What do I file in Idaho every year?+

Idaho's recurring requirement: free report required yearly, due end of anniversary month. Late: No flat late fee published; a missed report still risks loss of good standing.

Register your Idaho LLC

The Certificate of Organization prepared and filed with Idaho, the $100 state fee shown on its own line before you pay, approved copy emailed.

File my Idaho LLC