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Just the facts · Arizona

3 Best Foreign Registration Services in Arizona (2026), No Jargon

We'd line up the foreign registration services in Arizona for 2026 as Mainstay Filing ($199), Arizona Registered Agent.co ($199) and AZ Registered Agent.org ($199), in that order. The state's fee is $150; service fees for three years are $397 to $497.
From the LLC Plainly editorial team

Short answer

State registration fee
$150
Need a certificate from home?
Yes (60 days at most)
Once you're registered
No yearly filing
Our picks
Mainstay Filing, Arizona Registered Agent.co then AZ Registered Agent.org

Arizona: the ranking

Ranked best first using the checks on our method page.
Start here

1. Mainstay Filing: best for companies that keep growing

Pay $199 now and $149 yearly later, with the state fee extra

Why Mainstay Filing? Honestly, you pay $199 plus Arizona's fee, skip the statutory agent charge in year one and then pay $149 a year.

Is it the smaller bill? No. Arizona Registered Agent.co costs $100 less over three years, but it only works in Arizona.

Once the free year is up, the statutory agent renews at $149.

Your money buys

  • Registration paperwork done
  • No change in price by state

The good

  • No change in price by state
  • Registers you for $199

Trade-offs

  • You'd pay $50 a year more for the agent
Arizona specialist

2. Arizona Registered Agent.co: best for one extra state

Pay $199 now and $99 yearly later, with the state fee extra

Arizona Registered Agent.co takes second, because the service fees come to $397 across three years.

Your money buys

  • The foreign filing, submitted
  • First-year agent comes with it

The good

  • Then $99 a year for the agent
  • You don't pay for an agent in year one
  • Starts at $199 plus the state fee

Trade-offs

  • Nothing outside this state
Arizona specialist

3. AZ Registered Agent.org: best for a one-state add-on

Pay $199 now and $99 yearly later, with the state fee extra

AZ Registered Agent.org takes third, because the service fees come to $397 across three years.

The same published prices as Arizona Registered Agent.co, so go with whichever you like.

Your money buys

  • The foreign filing, submitted
  • First-year agent comes with it

The good

  • You don't pay for an agent in year one
  • Then $99 a year for the agent
  • Starts at $199 plus the state fee

Trade-offs

  • Nothing outside this state

Price check

#WhoFirst yearAfter year one3 yearsWhat you get
1Mainstay Filing$199$149/yr$497registration paperwork done; no change in price by stateCheck out Mainstay FilingPartner link. We may earn money if you buy.
2Arizona Registered Agent.co$199$99/yr$397the foreign filing, submitted; First-year agent comes with itCheck out Arizona Registered Agent.coPartner link. We may earn money if you buy.
3AZ Registered Agent.org$199$99/yr$397the foreign filing, submitted; First-year agent comes with itCheck out AZ Registered Agent.orgPartner link. We may earn money if you buy.
Company prices from November 13, 2026, before state fees.

What you probably want to know

At what point do I register?

An out-of-state LLC signs up with the Arizona Corporation Commission, Corporations Division first and does business in Arizona afterward.

Not registering can cost you its access to Arizona courts as a plaintiff is cut off (A.R.S. 29-3902(B)).

azcc.gov · October 2026 · checked

How much should I put aside to register?

You'd pay the state $150, plus $199 if you use a service.

The state's three-year fees, registration included, add up to $150. azcc.gov · October 2026 · checked

Where does the registration go?

The Arizona Corporation Commission, Corporations Division handles the Foreign Registration Statement (Form L025), and one filing does it.

Add certificate of existence or good standing, plus a certified copy of the organizational documents issued within the last 60 days.

What does staying registered cost?

The state doesn't ask for a follow-up report.

How did you decide the order?

Work taken off your hands, worth 31%, put Mainstay Filing first.

33% of the score is cost across three years, 31% is work taken off your hands, and three smaller checks split ties.

Because two states are involved, a company that works everywhere beat Arizona Registered Agent.co.

Our method, in full

What Arizona wants

ItemAmount or ruleCheck it
What you pay to register$150azcc.gov · October 2026 · checked
Good standing proofYes, 60 daysazcc.gov · October 2026 · checked
Three-year state total$150Rows above, totaled
How we get the bottom line: filing + report in year two + report in year three + any minimum tax. Open-ended costs are described in the text only.

More questions

Do I still need an agent where I formed the LLC?

Most likely yes. A national provider can look after the home state and this one together.

How do the three-year costs stack up?

Over three years you'd pay $497 at Mainstay Filing, $397 at Arizona Registered Agent.co, $397 at AZ Registered Agent.org (services only).

What are the sources?

The state fees come from Arizona's own documents, and the service prices come from the companies' sites. We put dates on both.

Do I need to hire a service?

It's your call. You can file on your own if you meet the rules on this page.

Will a company file this for me?

Each company on this page files for you, at the same state fee.

Who tops the list in Arizona?

Mainstay Filing wins on work taken off your hands, ahead of Arizona Registered Agent.co and AZ Registered Agent.org.

What we used for this page

  1. Ariz (azleg.gov), last confirmed August 2026
  2. Arizona formation fee: Filing fee (azcc.gov), last confirmed October 2026
  3. Arizona registered agent statute (azleg.gov), last confirmed October 2026
  4. Arizona Corporation Commission, LLC forms (azcc.gov), last confirmed October 2026
  5. Form L025 instructions (azcc.gov), last confirmed October 2026
  6. A.R.S. 29-3903, registration of foreign (azleg.gov), last confirmed October 2026
  7. A.R.S. 29-3905, activities that are (azleg.gov), last confirmed October 2026
  8. Arizona Corporation Commission FAQs (azcc.gov), last confirmed October 2026
  9. A.R.S. 29-3902, registration to do (azleg.gov), last confirmed November 2026
  10. Arizona service page from Mainstay Filing, November 13, 2026
  11. pricing page from Arizona Registered Agent.co, November 13, 2026
  12. pricing page from AZ Registered Agent.org, November 13, 2026