Place1
Number one hereMainstay Filing
1. Mainstay Filing: best for companies registered in several states
$199 + state fee; agent renews at $149
Our mark9.6out of 10
We put Mainstay Filing first: one $199 service fee to register here or anywhere else, with year one of agent service included.
From year two the agent costs $149 a year, the same in every state.
The three-year premium over AZ Registered Agent.org is $100; coverage outweighs it in our scoring.
What you get
- Registration prepared and filed
- Service of process scanned the same business day, no fee
Why pick it
- $199 service fee
- Service of process scanned the same business day, no fee
- One price in every state
Less good
- Renewal costs $50 more than AZ Registered Agent.org
Place2
Low renewalAZ Registered Agent.org
2. AZ Registered Agent.org: best for companies adding only Arizona
$199 + state fee; agent renews at $99
Our mark9.1out of 10
Second: AZ Registered Agent.org, for $199 over the state fee to register in Arizona, with the agent at $99 a year after that.
Served documents are scanned and shared online, and the registered office is an Arizona street address.
What you get
- Arizona registration filed for you
- A year of statutory agent service
Why pick it
- A year of statutory agent service included
- $99 a year for the agent after that
- $199 plus the state's fee
Less good
- No help outside Arizona
- $99 extra for the EIN application
Place3
Lower renewal than MainstayArizona Registered Agent.co
3. Arizona Registered Agent.co: best for Arizona registrations
$199 + state fee; agent renews at $99
Our mark9.0out of 10
Number 3 is Arizona Registered Agent.co: $199 over the state fee to register in Arizona, with the agent at $99 a year after that.
Served documents are scanned and shared online, and the registered office is an Arizona street address.
With identical published prices, AZ Registered Agent.org and Arizona Registered Agent.co are separated only narrowly.
What you get
- Arizona registration filed for you
- A year of statutory agent service
Why pick it
- $99 a year for the agent after that
- A year of statutory agent service included
- $199 plus the state's fee
Less good
- No help outside Arizona
- $99 extra for the EIN application
The 3 picks side by side
| Rank | Service | Our score | Service fee | Year two | Best for | Link |
|---|
| 1 | Mainstay Filing | 9.6 | $199 | $149/yr | Companies registered in several states | Visit Mainstay FilingPartner link. We may earn money if you buy. |
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| 2 | AZ Registered Agent.org | 9.1 | $199 | $99/yr | Lowest agent renewal on this list | Visit AZ Registered Agent.orgPartner link. We may earn money if you buy. |
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| 3 | Arizona Registered Agent.co | 9.0 | $199 | $99/yr | Lowest agent renewal on this list | Visit Arizona Registered Agent.coPartner link. We may earn money if you buy. |
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The Founders Review sets these scores itself from the five criteria on our method page; they are not user ratings.
Arizona foreign registration service cost over three years (2026)
| Service | Year one | Year two | Year three | Three-year total | Agent in year one |
|---|
| Mainstay Filing | $199 | $149 | $149 | $497 | Not stated |
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| AZ Registered Agent.org | $199 | $99 | $99 | $397 | Included |
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| Arizona Registered Agent.co | $199 | $99 | $99 | $397 | Included |
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Read from each provider's pricing page on November 12, 2026. Arizona's registration fee ($150) is paid on top with every service and is left out of these totals.
What decided the ranking
What split first and second in Arizona: what one price covers, weighted at 30% in our method.
Multi-state companies need agents in each state, and one price everywhere outscored AZ Registered Agent.org.
Our method page lists all five criteria.
Arizona foreign registration fee and form (official)
Out-of-state companies file the Foreign Registration Statement (Form L025) with the Arizona Corporation Commission, Corporations Division; the state charges $150. Arizona also wants certificate of existence or good standing, plus a certified copy of the organizational documents, dated within 60 days.
Arizona has no yearly report for foreign LLCs.
Your checklist
- Certificate of existence or good standing, plus a certified copy of the organizational documents, issued no more than 60 days before you file.
- The company's exact legal name as it appears in its home state, plus its formation date.
- An in-state statutory agent, which each ranked service provides.
- The $150 state fee, paid with the filing.
The cost of not registering
Arizona courts are closed to an unregistered foreign LLC's lawsuits (A.R.S. 29-3902(B)). Its contracts stay valid (A.R.S. 29-3902(C)).
Common Arizona questions
Do I need to register my out-of-state LLC in Arizona?
Yes, if the company transacts business there. Until it registers it cannot bring a lawsuit in the state's courts.
How much does foreign registration cost in Arizona?
$150 to the state, plus $199 for a service.
Which form does the state use?
The Foreign Registration Statement (Form L025), filed with the Arizona Corporation Commission, Corporations Division.
Do I need a certificate from my home state?
Yes: certificate of existence or good standing, plus a certified copy of the organizational documents, dated within 60 days of filing.
Do I need a statutory agent after registering?
Yes. Every LLC must name a registered agent with an in-state street address.
Which foreign registration service is best in Arizona?
Mainstay Filing, because the Arizona registration for $199 plus state fees and a free first year as your statutory agent.
Sources we used
- Ariz. Rev. Stat. § 29-3201 (checked August 2026): www.azleg.gov/ars/29/03201.htm
- Arizona formation fee: Filing fee, official source (checked October 2026): azcc.gov/docs/default-source/corps-files/fee-schedules/fee-schedule-ll
- Arizona registered agent statute (checked October 2026): www.azleg.gov/ars/29/03115.htm
- Arizona Corporation Commission, LLC forms (checked October 2026): azcc.gov/corporations/forms/llc-forms
- Form L025 instructions (checked October 2026): azcc.gov/docs/default-source/corps-files/instructions/l025i-instructio
- A.R.S. 29-3903, registration of foreign LLC (checked October 2026): www.azleg.gov/ars/29/03903.htm
- A.R.S. 29-3905, activities that are not doing business (checked October 2026): www.azleg.gov/ars/29/03905.htm
- Arizona Corporation Commission FAQs (checked October 2026): azcc.gov/faqs/BusinessServicesFAQs
- A.R.S. 29-3902, registration to do business (checked November 2026): www.azleg.gov/ars/29/03902.htm
- Arizona service page of Mainstay Filing, read November 12, 2026
- Pricing and service pages of AZ Registered Agent.org, read November 12, 2026
- Pricing and service pages of Arizona Registered Agent.co, read November 12, 2026