Rank1
Our top pick in Idaho
1. Idaho Registered Agent.co: best for the smallest yearly fee on this list
$99 yearly, unchanged
Editor score9.1out of 10
Idaho Registered Agent.co takes the top spot because the plan is $99 a year, flat, and papers served on the company reach you as online scans.
Idaho Registered Agent.co gives the company a street address in the state and scans whatever is served there into your account.
It costs less than Mainstay Filing over three years, and cost is one of our two heaviest criteria.
In the price
- The physical in-state address the state asks for
- Anything served on the company is scanned and posted to your account
Good
- Costs $99 a year, renewal included at the same price
- Also files LLC formations, agent year one included
- Yearly cost below Mainstay Filing
Watch for
- You handle the annual report yourself
- Made for Idaho; another state needs a different agent
Rank2
Best all-in coverage
2. Mainstay Filing: best for all fifty states
$149 yearly, unchanged
Editor score8.9out of 10
Mainstay Filing makes the list at number two because one agent plan at $149 a year that keeps its price at renewal and scans papers served on the company the same business day for free.
Starting from scratch? The formation package is $199 a year and adds the Idaho filing and the annual report.
Idaho Registered Agent.co undercuts it by $150 across three years, which leaves Mainstay Filing second on cost.
In the price
- A registered office street address in whichever state you need
- Papers served on the company scanned free on the day they arrive
- Three government letters a year scanned free
- Compliance reminders
Good
- Papers served on the company are scanned the same business day at no charge
- $149 a year, and it holds at renewal
- Takes LLCs, corporations, LPs, LLPs and nonprofits
- Free scans of three government letters each year
Watch for
- The agent alone is $50 a year more than Idaho Registered Agent.co
- No annual report filing on the agent-only plan
Rank3
Idaho specialist
3. ID Registered Agent.org: best for Idaho specialists
$99 yearly, unchanged
Editor score8.6out of 10
ID Registered Agent.org makes the list at number three because the plan is $99 a year, flat, and papers served on the company reach you as online scans.
ID Registered Agent.org gives the company a street address in the state and scans whatever is served there into your account.
We found no difference in price or features between Idaho Registered Agent.co and ID Registered Agent.org; choose whichever you prefer.
In the price
- A registered office with a street address in the state
- Anything served on the company is scanned and posted to your account
Good
- A yearly plan at $99 that does not rise
- Also files LLC formations, agent year one included
- Yearly cost below Mainstay Filing
Watch for
- You handle the annual report yourself
- Made for Idaho; another state needs a different agent
The 3 picks side by side
Each number out of 10 is our own mark, drawn from the weighted criteria on How we rank, and not a customer rating.
Idaho registered agent pricing in 2026: first year, renewals, three-year total
Every price comes from the company's own pages as of November 12, 2026. Idaho's own fees stay the same whichever agent you pick.
How the order came together
Filing Shortlist puts 28% of the weight on three-year price and 28% on what the price covers. The remaining 44% goes to renewal terms, fit for the state and price clarity, and for Idaho the deciding factor was three-year price.
Idaho Registered Agent.co adds up to $297 over three years, which is $150 below Mainstay Filing. A company with a Idaho agent need gains little from fifty-state reach, so the smaller yearly price settled it.
Every criterion and weight is set out on How we rank.
Idaho registered agent rules from Idaho Secretary of State
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. Statute: Idaho Code § 30-21-404.
The Idaho annual report: price and deadline
Every company formed here files the annual report every year. The state charges nothing and wants it last day of the entity's anniversary month. The reminders about it go to your registered agent.
Common questions about Idaho registered agents
Does the company need to name a registered agent in Idaho?
It does. Idaho wants each LLC to name a registered agent with a street address inside the state, and that name stays on the public record.
How much do agents in Idaho charge per year?
Yearly prices span $99 to $149, and each company holds its price at renewal.
Can the owner be the registered agent?
Yes, 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.
By what date is the Idaho annual report due?
The deadline is last day of the entity's anniversary month, and the state charges no fee.
Which registered agents made this shortlist?
Idaho Registered Agent.co ($99 a year), Mainstay Filing ($149 a year) and ID Registered Agent.org ($99 a year), listed from the top pick down.
Which Idaho registered agent makes the shortlist first?
Idaho Registered Agent.co, because it charges $99 a year, the same at renewal, the smallest yearly price on this list.