From company formation to tax compliance and ITIN services, we provide seamless, all-in-one support — so you can focus on growing your business.
Choose the service that fits your needs — our experts handle the rest.
Whether you're a non-resident entrepreneur or a global founder, we handle every step of your U.S. LLC or Corporation formation — from state filing to registered agent service and operating agreements.
If you're ineligible for an SSN but need to comply with U.S. tax laws, an ITIN allows you to file taxes, claim credits, open bank accounts, apply for loans, and report income from U.S. sources like rentals or investments.
Stay fully compliant with U.S. tax law without the stress. Our tax specialists handle federal and state filings for LLCs, corporations, and individual non-resident taxpayers — so you never miss a deadline.
From sign-up to a fully compliant U.S. business — we make it simple, fast, and stress-free.
Select from LLC formation, ITIN/EIN services, or tax filing. Tell us about your business and goals — we'll recommend the best path forward.
Upload the required documents securely through our platform. Our team reviews everything to ensure accuracy before submission to the IRS or state.
Sit back while our certified agents file on your behalf. We track your application and keep you updated every step of the way — no follow-up needed.
Receive your LLC documents, EIN, or ITIN and start operating legally in the U.S. Open a bank account, accept payments, and grow globally.
Over 10,000 global founders trust Usbase to handle their U.S. business needs.
Everything you need to know about U.S. company formation, ITIN, EIN, and tax filing.
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