Step-by-step guide to forming a C-Corp in Arizona. Filing fee ($60), requirements, timeline, taxes, and what international founders need to know.
Low-Tax Sun Belt Business Hub
Step-by-step process for international founders.
Choose a state (Delaware recommended)
File Articles of Incorporation
Appoint directors
Issue shares
Get EIN
File 83(b) election if founders vesting
File annual report / pay annual fees in Arizona
Annual fee: $0. Due: None
| Cost Item | Amount | Notes |
|---|---|---|
| State filing fee | $60 | One-time, paid to Arizona SOS |
| Registered agent (Year 1) | $50–$150/yr | Required in Arizona |
| Annual report / renewal | $0/yr | Due: None |
| EIN (Federal Tax ID) | Free | Apply via IRS Form SS-4 |
| Operating Agreement / Bylaws | $0–$500 | DIY or attorney-drafted |
| Business bank account | $0 | Mercury or Relay recommended |
| Total Year 1 (estimated) | $160–$710 | Varies with registered agent choice |
Entity-level 21% federal corporate tax
IRS Form: Form 1120
Yes (2.5% flat 2023)
Franchise tax: None
Yes. Arizona allows non-US residents to form a C-Corp entirely remotely. You need a registered agent with a Arizona address, and you'll apply for an EIN from the IRS using Form SS-4.
No. You can form a Arizona C-Corp from anywhere in the world. However, you must maintain a registered agent with a physical Arizona address.
Standard processing: 2–5 days. Expedited processing is available for an additional fee through the Arizona Secretary of State.
Mercury and Relay are the top choices for international founders. Both open accounts fully online, require no US visit, and work well with Arizona entities.
Formation is step one. The Stack Network covers the rest of your US business journey.
Annual reports, BOI filings & state compliance deadlines — automated so you never miss one.
Stay compliant →US bookkeeping, payroll & fractional CFO for international founders.
Manage your finances →Operating agreements, IP assignments & legal document templates for US entities.
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