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Filing Verdict

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

Foreign registration verdict · Arizona

3 Best Foreign Registration Services in Arizona (2026)

Filing Verdict's 2026 verdict on foreign registration services in Arizona: Mainstay Filing ($199), AZ Registered Agent.org ($199) and Arizona Registered Agent.co ($199), in that order. Mainstay Filing takes first place: it prepares the Arizona registration for $199 and serves as your statutory agent, free in year one, then $149 a year.
The Filing Verdict editorial team
Our top pick
Spot 1

1. Mainstay Filing: best for companies working in several states

$199 on top of the state fee; the agent is $149 a year from year two

9.5Editorial score
out of 10

Mainstay Filing wins here: $199 on top of the state fee, the same in any state, with the first year of statutory agent service included.

The agent renews at $149 a year after the free first year, in this state or any other.

The three-year bill is $100 higher than AZ Registered Agent.org's, and the wider coverage is worth that to us.

What you get

  • Foreign registration paperwork prepared and filed
  • Papers served on the company scanned and uploaded the same business day, free

What we like

  • Same-business-day scans of served papers, free
  • One price in all fifty states
  • Service fee of $199, plus the state's fee

Cons

  • After year one its agent runs $149 a year, $50 above AZ Registered Agent.org
Visit Mainstay FilingPartner link. We may earn money if you buy. Our full Mainstay Filing verdict
Low renewal
Spot 2

2. AZ Registered Agent.org: best for companies adding only Arizona

$199 plus the state's fee, then $99 a year for the agent

9.2Editorial score
out of 10

Second place goes to AZ Registered Agent.org: the Arizona registration for $199 with the first agent year included, then $99 a year.

The plan gives the company an in-state street address as its registered office, and papers served on the company are scanned to your online account.

What you get

  • Foreign registration done for you
  • A year of statutory agent service up front

What we like

  • Includes the first year as your statutory agent
  • Files the registration for $199 plus fees
  • $99 a year for the agent from year two

Cons

  • Covers Arizona only; your home state needs its own agent
  • The EIN application is billed separately ($99)
Visit AZ Registered Agent.orgPartner link. We may earn money if you buy. Our full AZ Registered Agent.org verdict
Best value here
Spot 3

3. Arizona Registered Agent.co: best for Arizona registrations only

Service fee $199, state fee extra; agent $99 yearly after year one

9.1Editorial score
out of 10

Third place goes to Arizona Registered Agent.co: the Arizona registration for $199 with the first agent year included, then $99 a year.

The plan gives the company an in-state street address as its registered office, and papers served on the company are scanned to your online account.

On price and features AZ Registered Agent.org and Arizona Registered Agent.co match line for line, which makes this a close call between safe choices.

What you get

  • Foreign registration done for you
  • A first year as your statutory agent

What we like

  • Agent at $99 yearly after the first year
  • Registration at $199 before state fees
  • Includes the first year as your statutory agent

Cons

  • Covers Arizona only; your home state needs its own agent
  • The EIN application is billed separately ($99)

The 3 verdicts at a glance

No.ServiceVerdict scoreService feeYear twoBest forVisit
1Mainstay Filing9.5$199$149/yrCompanies registered in several states Visit Mainstay FilingPartner link. We may earn money if you buy.
2AZ Registered Agent.org9.2$199$99/yrThe lowest agent renewal here Visit AZ Registered Agent.orgPartner link. We may earn money if you buy.
3Arizona Registered Agent.co9.1$199$99/yrThe lowest agent renewal here Visit Arizona Registered Agent.coPartner link. We may earn money if you buy.
The marks out of 10 are editorial: Filing Verdict sets them from the criteria on How we rank, and customers do not rate anything here.

Arizona foreign registration service prices for 2026: year one, renewals and three years

ServiceYear 1Year 2Year 3Total, 3 yearsAgent covered in year one
Mainstay Filing$199$149$149$497Not stated
AZ Registered Agent.org$199$99$99$397Included
Arizona Registered Agent.co$199$99$99$397Included
Prices were read from each company's own pages on November 12, 2026. Arizona's $150 registration fee goes on top of every row and is not counted in these totals.

Why Mainstay Filing comes first

Filing Verdict gives total over three years and paperwork the price handles 35% each, and renewal behavior, match to the state and up-front pricing split the rest. In Arizona the order was settled by paperwork the price handles.

Registering in a second state involves two states, so one provider with one price in both scored best on coverage, ahead of AZ Registered Agent.org.

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

Arizona foreign LLC registration: the fee, the form and the filing office

The company registers with the Arizona Corporation Commission, Corporations Division by filing the Foreign Registration Statement (Form L025). The state fee is $150. Arizona also asks for certificate of existence or good standing, plus a certified copy of the organizational documents, issued within 60 days of filing.

Arizona has no yearly report for foreign LLCs.

Before you file: a checklist

  • Certificate of existence or good standing, plus a certified copy of the organizational documents, issued within 60 days before you file.
  • The exact legal name from the home state, and the date the company was formed there.
  • A statutory agent with a street address in the state; each service on this page can act in that role.
  • The $150 state fee, paid with the filing.

What skipping Arizona registration can cost

Until it registers, an out-of-state LLC cannot bring suit in Arizona courts (A.R.S. 29-3902(B)). Contracts it signs stay valid (A.R.S. 29-3902(C)).

Arizona foreign registration service: questions answered

Does Arizona require an out-of-state LLC to register?

Yes, once it transacts business there. Until it registers, it cannot bring suit in the state's courts.

What does foreign registration cost in Arizona?

The state fee is $150, and the service fee is $199.

Which form does Arizona use for foreign registration?

Use the Foreign Registration Statement (Form L025), filed with the Arizona Corporation Commission, Corporations Division.

Does Arizona want a certificate from my home state?

Yes. It asks for certificate of existence or good standing, plus a certified copy of the organizational documents, issued within 60 days of filing.

Is a statutory agent required once I have registered?

Yes. The company still needs a statutory agent here, with a street address in the state.

Which foreign registration service is the best pick in Arizona?

Mainstay Filing, because $199 plus the state's own fee, with the statutory agent free for the first year and one price in every state.

See also

Sources and dates

  1. Ariz. Rev. Stat. § 29-3201, confirmed August 2026
  2. Arizona formation fee: Filing fee, official source, confirmed October 2026
  3. Arizona registered agent statute, confirmed October 2026
  4. Arizona Corporation Commission, LLC forms, confirmed October 2026
  5. Form L025 instructions, confirmed October 2026
  6. A.R.S. 29-3903, registration of foreign LLC, confirmed October 2026
  7. A.R.S. 29-3905, activities that are not doing business, confirmed October 2026
  8. Arizona Corporation Commission FAQs, confirmed October 2026
  9. A.R.S. 29-3902, registration to do business, confirmed November 2026
  10. Checked November 12, 2026: Mainstay Filing, Arizona service page
  11. Checked November 12, 2026: AZ Registered Agent.org, pricing and service pages
  12. Checked November 12, 2026: Arizona Registered Agent.co, pricing and service pages