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Filing Verdict

Rankings of registered agents, LLC formation and foreign registration services in all 50 states.

Registered agent verdict · Idaho

3 Best Registered Agents in Idaho (2026)

Filing Verdict's 2026 verdict on registered agents in Idaho: Mainstay Filing ($149 a year), Idaho Registered Agent.co ($99 a year) and ID Registered Agent.org ($99 a year), in that order. Mainstay Filing takes first place: $149 a year, unchanged at renewal, with papers served on the company scanned the same business day at no charge.
The Filing Verdict editorial team
Our top pick in Idaho
Spot 1

1. Mainstay Filing: best for all fifty states

$149 per year, flat

9.3Editorial score
out of 10

Mainstay Filing wins here: one $149 agent plan that follows the company into every state, renewing at $149.

New company? Mainstay's formation package at $199 a year adds the Idaho filing and the annual report.

The three-year bill is $150 higher than Idaho Registered Agent.co's, and the wider coverage is worth that to us.

What you get

  • An in-state street address for the registered office
  • Same-business-day scan and upload of served papers, no charge
  • Free scans of your first three government mailings each year
  • Compliance reminders

What we like

  • Same-business-day scans of served papers, free
  • Three government mailings a year scanned free
  • Serves LLCs, corporations, LPs, LLPs and nonprofits
  • $149 a year, unchanged at renewal

Cons

  • The agent alone runs $50 a year above Idaho Registered Agent.co
  • Annual reports are not filed on the agent-only plan
Visit Mainstay FilingPartner link. We may earn money if you buy. Our full Mainstay Filing verdict
Best for an Idaho-only company
Spot 2

2. Idaho Registered Agent.co: best for the lowest yearly fee on this list

$99 per year, flat

9.1Editorial score
out of 10

Second place goes to Idaho Registered Agent.co: an Idaho specialist at $99 a year, with an in-state street address for the registered office.

Idaho Registered Agent.co supplies the registered office street address and scans served legal papers into your account.

What you get

  • A physical in-state address for the registered office
  • Each legal paper served on the company is scanned into your account

What we like

  • Cheaper per year than Mainstay Filing
  • Yearly cost of $99, unchanged when it renews
  • LLC formation available, first agent year free

Cons

  • The annual report filing is yours to handle
  • Built for Idaho; other states need a separate agent
Visit Idaho Registered Agent.coPartner link. We may earn money if you buy. Our full Idaho Registered Agent.co verdict
Idaho-focused
Spot 3

3. ID Registered Agent.org: best for Idaho specialists

$99 per year, flat

9.0Editorial score
out of 10

Third place goes to ID Registered Agent.org: an Idaho specialist at $99 a year, with an in-state street address for the registered office.

ID Registered Agent.org supplies the registered office street address and scans served legal papers into your account.

Nothing in the published prices or features divides Idaho Registered Agent.co from ID Registered Agent.org; pick either.

What you get

  • The in-state street address the state requires
  • Each legal paper served on the company is scanned into your account

What we like

  • Cheaper per year than Mainstay Filing
  • A $99 yearly plan that holds its price
  • LLC formation available, first agent year free

Cons

  • The annual report filing is yours to handle
  • Built for Idaho; other states need a separate agent
Visit ID Registered Agent.orgPartner link. We may earn money if you buy. Our full ID Registered Agent.org verdict

The 3 verdicts at a glance

No.ServiceVerdict scoreYearly priceRenewalBest forVisit
1Mainstay Filing9.3$149$149/yrAn agent that works in all fifty states Visit Mainstay FilingPartner link. We may earn money if you buy.
2Idaho Registered Agent.co9.1$99$99/yrThe lowest yearly price we rank here Visit Idaho Registered Agent.coPartner link. We may earn money if you buy.
3ID Registered Agent.org9.0$99$99/yrThe lowest yearly price we rank here Visit ID Registered Agent.orgPartner link. We may earn money if you buy.
Scores come from Filing Verdict's editors, out of 10, using the criteria explained on How we rank; they are not customer ratings.

Idaho registered agent prices for 2026: year one, renewals and three years

ServiceYear 1Year 2Year 3Total, 3 yearsRenewal price unchanged
Mainstay Filing$149$149$149$447Yes
Idaho Registered Agent.co$99$99$99$297Yes
ID Registered Agent.org$99$99$99$297Yes
Prices were read from each company's own pages on November 12, 2026. Idaho's fees do not depend on which agent you choose.

The reasoning behind the order

Two criteria lead Filing Verdict's method at 35% apiece: total over three years and paperwork the price handles. Renewal behavior, match to the state and up-front pricing share the other 30%, and Idaho came down to paperwork the price handles.

Mainstay's agent plan covers more: papers served on the company are scanned the same business day at no fee, one price applies in all fifty states and three government mailings a year are scanned free. Idaho Registered Agent.co costs less, and the two finish close.

The full list of criteria and weights is on How we rank.

Idaho registered agent requirements, from Idaho Secretary of State (official)

Every LLC must name a registered agent with an in-state street address. The address has to be a physical street address in Idaho. P.O. boxes and commercial mailboxes are not accepted. Citation: Idaho Code § 30-21-404.

Idaho annual report: what it costs and when it is due

Every Idaho LLC owes the annual report every year. The state charges no fee, due last day of the entity's anniversary month. Notices about it go to your registered agent.

Idaho registered agent: questions answered

Must an Idaho LLC have a registered agent?

Yes. Idaho requires every LLC to keep a registered agent on file, and the agent needs a street address in the state.

What do Idaho registered agents charge each year?

The prices run $99 to $149 a year, and every service keeps its price at renewal.

May I act as my own registered agent?

Only if you meet the state's conditions. An Idaho resident, or a business entity authorized to do business in Idaho. An assumed business name (DBA) cannot serve.

What is the due date for the Idaho annual report?

Due last day of the entity's anniversary month, with no state fee.

Which registered agents are ranked on this page?

Mainstay Filing ($149 a year), Idaho Registered Agent.co ($99 a year) and ID Registered Agent.org ($99 a year), from first place to last.

Which registered agent is the best value in Idaho?

Mainstay Filing, because $149 a year whether the company stays put or expands, and the first three government mailings each year are scanned free.

Keep reading

Sources and dates

  1. Idaho yearly filing: Annual report: due date, official source, confirmed October 2026
  2. Idaho Code § 30-25-201, confirmed August 2026
  3. Idaho formation fee: Filing fee, official source, confirmed October 2026
  4. Idaho formation fee: Filing fee, official source, confirmed October 2026
  5. Idaho registered agent statute, confirmed October 2026
  6. Checked November 12, 2026: Mainstay Filing, Idaho service page
  7. Checked November 12, 2026: Idaho Registered Agent.co, pricing and service pages
  8. Checked November 12, 2026: ID Registered Agent.org, pricing and service pages