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Short reply · Arizona

3 Best Foreign Registration Services in Arizona (2026) and the Facts Behind Them

In Arizona for 2026, rank foreign registration services AZ Registered Agent.org ($199), Mainstay Filing ($199) and Arizona Registered Agent.co ($199). Every pick pays Arizona $150; service fees run $397 to $497 across three years.

LLC Q and A editorial team ·

At a glance

Fee to the state
$150
Certificate required?
Required (60 day age limit)
After registering
No report
Pick
AZ Registered Agent.org, Mainstay Filing then Arizona Registered Agent.co

Best in Arizona, in order

Order set by our five criteria, three-year cost first.
1Top pick

1. AZ Registered Agent.org: best for one extra state

Register for $199; agent renews at $99

Reason for AZ Registered Agent.org at the top: $199 files the registration and the agent renews at $99.

Lower three-year cost than Mainstay Filing, and cost is the heaviest criterion.

Price covers

  • Foreign filing handled
  • Agent for year one

For

  • $199 to register
  • Then $99 a year
  • Year-one agent included

Against

  • Two states, two providers
Open AZ Registered Agent.orgPartner link. We may earn money if you buy.
2Nationwide

2. Mainstay Filing: best for registering in several states

Register for $199; agent renews at $149

Mainstay Filing ranks second since $199 in every state, with the first statutory agent year included.

Ranked lower because three years cost $100 more than AZ Registered Agent.org, and cost has the biggest weight.

No statutory agent fee in year one; $149 a year from year two.

Price covers

  • Out-of-state registration filed
  • One fee for all fifty states

For

  • Same fee in every state
  • $199 plus Arizona's fee

Against

  • Agent renews at $149, $50 above AZ Registered Agent.org
Open Mainstay FilingPartner link. We may earn money if you buy.
3Arizona specialist

3. Arizona Registered Agent.co: best for another local option

Register for $199; agent renews at $99

Third: Arizona Registered Agent.co, because $199 files the registration and the agent renews at $99.

It charges exactly what AZ Registered Agent.org charges.

Price covers

  • Foreign filing handled
  • Agent for year one

For

  • Then $99 a year
  • $199 to register
  • Year-one agent included

Against

  • Two states, two providers
Open Arizona Registered Agent.coPartner link. We may earn money if you buy.

Comparison

#CompanyFirst yearPer year afterTotal, 3 yearsIncludes
1AZ Registered Agent.org$199$99/yr$397foreign filing handled; agent for year oneOpen AZ Registered Agent.orgPartner link. We may earn money if you buy.
2Mainstay Filing$199$149/yr$497Out-of-state registration filed; one fee for all fifty statesOpen Mainstay FilingPartner link. We may earn money if you buy.
3Arizona Registered Agent.co$199$99/yr$397foreign filing handled; agent for year oneOpen Arizona Registered Agent.coPartner link. We may earn money if you buy.
Prices as of November 13, 2026. State fees are in the checklist below.

Key questions

When must an out-of-state LLC register?

Before it does business in Arizona, with the Arizona Corporation Commission, Corporations Division.

Penalties for skipping it: Arizona courts will not take its claims (A.R.S. 29-3902(B)).

azcc.gov (October 2026) is the source of record

Cost to register?

$150 to the state, plus $199 for a service.

State fees reach $150 over three years, counting any recurring report. azcc.gov (October 2026) is the source of record

What registers the LLC?

Registration goes through the Foreign Registration Statement (Form L025), handled by the Arizona Corporation Commission, Corporations Division.

Attach certificate of existence or good standing, plus a certified copy of the organizational documents no more than 60 days.

Any recurring filing?

Nothing repeats after registration.

What decided #1?

Three-year price (36%) goes to AZ Registered Agent.org.

Five criteria: three-year price (36%), chores removed from your list (26%), price shown up front (15%), year-two bill (12%) and states served (11%).

AZ Registered Agent.org wins on cost: $397, a $100 saving over Mainstay Filing.

Method

Arizona: registration requirements, sourced

ItemRule or amountSource
Registration fee$150azcc.gov (October 2026) is the source of record
Home-state certificateRequired, 60 daysazcc.gov (October 2026) is the source of record
State fees, 3 years$150Total of the rows above
To verify the total: filing fee, two later reports, minimum tax if one applies. Costs without a set amount are excluded.

More replies

Does the home state still need an agent?

Yes, in most cases. A company active in every state, such as Mainstay Filing, can cover home and this state together.

What do the picks cost over three years?

AZ Registered Agent.org totals $397 and Mainstay Filing totals $497 and Arizona Registered Agent.co totals $397, before state fees.

Where do the numbers come from?

State fees come from Arizona's official documents. Service prices come from each company's price page. Both are dated here.

Is a service required?

No. Owners can file directly. A service saves time and can act as agent.

Does a service file it?

Yes. Filing is part of each company's service on this page.

Best foreign registration service in Arizona?

Rank AZ Registered Agent.org ahead of Mainstay Filing and Arizona Registered Agent.co.

Sources

  1. Q and A source note covering Ariz, found at azleg.gov and dated August 2026, kept on file
  2. Q and A source note covering Arizona formation fee: Filing fee, found at azcc.gov and dated October 2026, kept on file
  3. Q and A source note covering Arizona registered agent statute, found at azleg.gov and dated October 2026, kept on file
  4. Q and A source note covering Arizona Corporation Commission, LLC forms, found at azcc.gov and dated October 2026, kept on file
  5. Q and A source note covering Form L025 instructions, found at azcc.gov and dated October 2026, kept on file
  6. Q and A source note covering A.R.S. 29-3903, registration of foreign, found at azleg.gov and dated October 2026, kept on file
  7. Q and A source note covering A.R.S. 29-3905, activities that are, found at azleg.gov and dated October 2026, kept on file
  8. Q and A source note covering Arizona Corporation Commission FAQs, found at azcc.gov and dated October 2026, kept on file
  9. Q and A source note covering A.R.S. 29-3902, registration to do, found at azleg.gov and dated November 2026, kept on file
  10. Price page: AZ Registered Agent.org pricing page, accessed November 13, 2026
  11. Price page: Mainstay Filing Arizona service page, accessed November 13, 2026
  12. Price page: Arizona Registered Agent.co pricing page, accessed November 13, 2026