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Incorporate your US entity,

fast & fully compliant

Avoid re-filings, tax penalties, and structural mistakes that cost founders thousands later.
Multi-state advisory
Cross-border compliance guidance
Structuring assistance by experts
360-degree transparent overview

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How it works

Incorporate your US entity in 3 easy steps

We simplify US incorporation into a fast, transparent process so you can focus on building your business.
Typical incorporation timeline: 3-7 business days (varies by state)

Incorporation is just step one!

FinStackk supports you beyond incorporation, so your US business stays compliant as it grows.
  • Entity structuring
  • Incorporation
  • EIN registration
  • Bank account opening
  • Registered Agent
  • Virtual office
  • Stock certificates
  • Corporate documents
  • Bookkeeping
  • Invoices & bill pay
  • Reconciliation
  • Financial reports
  • Integrations
  • Financial dashboards
  • Startup metrics
  • Cash forecast
  • Budget vs Actuals
  • Income tax
  • Sales tax
  • Payroll taxes
  • County tax
  • R&D tax credits
  • Employer registrations
  • Employee onboarding
  • Payroll processing
  • Benefits setup
  • Travel expense reimbursement
  • Cap table management
  • 409a Valuation
  • 83b Filings
  • Comprehensive tax compliance tracking
  • Secretary of State (SOS) filing
  • Department of Treasury filing

How would you like to proceed?

Already decided on your entity setup?
Complete your incorporation in minutes.
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Not sure where to incorporate?
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Frequently asked questions

No, you do not need to be a U.S. citizen. Anyone can start a business in the USA.

  • LLC: A straightforward structure for businesses like consulting or real estate investments.
  • Inc: Ideal for companies planning to raise funds, have multiple shareholders, or involve foreign founders/investors.

An EIN (Employer Identification Number) is a tax ID issued by the IRS, used for business identification in tax matters.

No, U.S. residency is not required to hold these roles in a U.S. company.

A Registered Agent is a person or entity in the state of incorporation designated to receive legal documents on behalf of the business. Having an RA is mandatory for incorporation.

  • Registered Agent: Required by state law for receiving legal notices‍
  • Mailing Address: Used for operational purposes, such as business correspondence

Timelines vary by state from 1-30 days. Generally, forming an entity in Delaware takes about 4-5 business days, with an expedited option available in 1-2 business days.

No, a passport is not required to start an entity, though it may be necessary for some regulatory compliance.

Yes, certain platforms can help non-residents open business bank accounts.