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Come aprire un'impresa in United States

The United States offers fast, low-cost company formation with strong legal protections. Most small businesses incorporate in Delaware, Wyoming, or their home state.

Tempi di costituzione
1–7 business days
Costo tipico
USD 50–500 (state filing fees + registered agent)
Valuta
USD

Forme giuridiche

Limited Liability Company
LLC
Most popular structure for small businesses — flexible, pass-through taxation, limited liability.
Capitale minimo
No minimum
Responsabilità
Limited
C Corporation
C-Corp
Preferred by VC-backed startups — separate legal entity, can issue multiple share classes.
Capitale minimo
No minimum
Responsabilità
Limited
S Corporation
S-Corp
Pass-through taxation with payroll benefits — restrictions on ownership (max 100 US shareholders).
Capitale minimo
No minimum
Responsabilità
Limited
Sole Proprietorship
Sole Prop
Simplest form — no legal separation between owner and business. No liability protection.
Capitale minimo
No minimum
Responsabilità
Unlimited

Passaggi di costituzione

  1. 1

    Choose a state of incorporation

    Same day

    Delaware and Wyoming are popular for favorable legal frameworks; your home state is often simpler.

  2. 2

    Pick and reserve a company name

    Same day

    Check availability on the Secretary of State website. Names must include a structure suffix (LLC, Inc.).

  3. 3

    Appoint a registered agent

    1 day

    Every state requires a registered agent with a physical address in that state.

  4. 4

    File formation documents

    1–5 business days

    Articles of Organization (LLC) or Articles of Incorporation (Corp) filed with the Secretary of State.

  5. 5

    Get an EIN from the IRS

    Same day online

    Federal tax ID — required to open a bank account and hire employees. Free online if you have an SSN/ITIN.

  6. 6

    Open a business bank account

    1–3 business days

    Keep personal and business finances separate — required to preserve liability protection.

Documenti richiesti

  • Articles of Organization / Incorporation
  • Operating Agreement (LLC) or Bylaws (Corp)
  • EIN confirmation letter from the IRS
  • Registered agent designation
  • State business license (varies by state and industry)

Basi fiscali

Aliquota imposta sulle società
21% federal (C-Corp); LLC/S-Corp pass through to owners
IVA / imposta sulle vendite
Varies by state (0% – 10%+); no federal VAT
Soglia di registrazione
Varies by state — many require registration once you have 'economic nexus' (e.g. $100K revenue or 200 transactions)
Periodicità delle dichiarazioni
Federal: annual; state sales tax: monthly or quarterly depending on volume

Insidie comuni

Not keeping personal and business finances separate — this can pierce the corporate veil and eliminate liability protection.

Forgetting annual state filings and franchise taxes — Delaware's minimum franchise tax is USD 300/year.

Choosing C-Corp when an LLC would suffice — C-Corps face double taxation (corporate + dividend).

Missing multi-state sales tax obligations — 'economic nexus' rules trigger collection duties in many states even without a physical presence.

Pronto a iniziare a fatturare?

Una volta registrata l'impresa, Zuupr gestisce fatturazione, pagamenti e business intelligence — tutto in un unico posto.

Ultima revisione il 2026-04-05. Questa guida è solo informativa e non costituisce consulenza legale o fiscale. Verifica i dettagli con un professionista locale prima di agire.