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Plain CharterLLC questions, short answers.

Short answers · Arizona

3 Best Registered Agents in Arizona (2026), Plainly Answered

We'd pick Arizona Registered Agent.co ($99 a year), Mainstay Filing ($149 a year) and AZ Registered Agent.org ($99 a year) in Arizona for 2026, in that order. Three years of agent service add up to $297 to $447, starting at $99 to $149.

By the Plain Charter editorial team ·

Plainly put

Mandatory?
Yes, required
Official name
Statutory agent
Service price
$99 to $149 each year
Best picks
Arizona Registered Agent.co, Mainstay Filing then AZ Registered Agent.org

Arizona: our picks

Our order, explained on how we choose.
1We'd start here

1. Arizona Registered Agent.co: best for a low yearly price

Costs $99 yearly; renewal $99

Arizona Registered Agent.co leads our list: $99 a year buys an in-state agent.

Cost decides it: three years here come in under Mainstay Filing.

The price covers

  • A physical in-state address
  • Legal papers posted online

Upsides

  • Less per year than Mainstay Filing
  • Flat $99 a year

What to weigh

  • No coverage outside the state
Visit Arizona Registered Agent.coPartner link. We may earn money if you buy.
2Works in any state

2. Mainstay Filing: best for LLCs in more than one state

Costs $149 yearly; renewal $149

Pick number 2, Mainstay Filing, makes the list because it charges $149 a year here and the same in every other state.

Over three years it is $150 dearer than Arizona Registered Agent.co.

The price covers

  • An address in the state
  • Three government mailings a year scanned free
  • Covers LLCs, corporations, LPs, LLPs and nonprofits

Upsides

  • Flat $149 a year
  • One account for any state

What to weigh

  • $50 more per year than the local pick
  • Does not file the yearly report
Visit Mainstay FilingPartner link. We may earn money if you buy.
3Arizona specialist

3. AZ Registered Agent.org: best for a second in-state choice

Costs $99 yearly; renewal $99

Our number 3 is AZ Registered Agent.org, since $99 a year buys an in-state agent.

Same published prices as Arizona Registered Agent.co; pick whichever you prefer.

The price covers

  • A physical in-state address
  • Legal papers posted online

Upsides

  • Flat $99 a year
  • Less per year than Mainstay Filing

What to weigh

  • No coverage outside the state
Visit AZ Registered Agent.orgPartner link. We may earn money if you buy.

Compare at a glance

#PickFirst yearLater yearsOver three yearsIncludes
1Arizona Registered Agent.co$99$99/yr$297A physical in-state address; legal papers posted onlineVisit Arizona Registered Agent.coPartner link. We may earn money if you buy.
2Mainstay Filing$149$149/yr$447an address in the state; three government mailings a year scanned free; Covers LLCs, corporations, LPs, LLPs and nonprofitsVisit Mainstay FilingPartner link. We may earn money if you buy.
3AZ Registered Agent.org$99$99/yr$297A physical in-state address; legal papers posted onlineVisit AZ Registered Agent.orgPartner link. We may earn money if you buy.
Service fees only, from each company's prices on November 12, 2026. State fees are the same with every pick.

Common questions

Do I need a statutory agent?

Every LLC must name a registered agent with an in-state street address.

Legal basis: A.R.S. § 29-3115. azleg.gov, confirmed October 2026

Who can serve as the agent?

An Arizona resident, or a corporation or LLC formed in Arizona or authorized to do business there. The appointment takes effect only once the agent accepts it in writing.

Qualify, and you can fill the role yourself for free.

How much per year?

Our picks charge $99 to $149 a year; three years cost $297 to $447.

The state charges the same with any agent.

What will the agent handle?

It is where lawsuits and state letters for the LLC land, in Arizona.

That is why the address must be staffed in business hours. More on service of process

What recurs besides the agent?

There is no recurring LLC report here.

What put the first pick first?

Three-year cost (35% of our weighting) put Arizona Registered Agent.co first.

The two biggest criteria are three-year cost and what the price takes off your plate, at 35% and 30%.

$297 over three years for Arizona Registered Agent.co, which is $150 under Mainstay Filing.

Read our criteria

The official requirements

RequirementAmount or ruleOfficial source
Fee to form$50azcc.gov, confirmed October 2026
Statutory agentYes, requiredazleg.gov, confirmed October 2026
State total, years 1 to 3$50Added up from the above
The three-year line adds the filing fee, the reports in years two and three and any yearly minimum tax. Costs without a fixed amount, such as newspaper publication, are left out.

Other quick questions

Do I have to pay someone?

Usually yes: check the two rules above, who qualifies and the address.

Where must the agent be located?

The address has to be a place of business or residence in Arizona with a street address. A P.O. box can be listed only as a separate Arizona mailing address.

Three years in, what has each cost?

Arizona Registered Agent.co $297, Mainstay Filing $447 and AZ Registered Agent.org $297

Where do these figures come from?

Official Arizona sources for state fees, company price pages for service fees.

Do I need to hire a service?

Not required. Services charge for doing the paperwork for you.

Which registered agent would you pick in Arizona?

Arizona Registered Agent.co tops our list because its agent service costs $99 a year with a street address on file; Mainstay Filing and AZ Registered Agent.org come next.

Official sources and prices

  1. Ariz: azleg.gov (August 2026)
  2. Arizona formation fee: Filing fee: azcc.gov (October 2026)
  3. Arizona registered agent statute: azleg.gov (October 2026)
  4. Arizona Registered Agent.co pricing page (prices on November 12, 2026)
  5. Mainstay Filing Arizona service page (prices on November 12, 2026)
  6. AZ Registered Agent.org pricing page (prices on November 12, 2026)