AI-Native Tax Filing Platform
for US Businesses.
Incorporate, file taxes, manage EINs, and stay compliant across federal and state regulations - guided by an AI copilot.
Trusted by Founders from across the USA & beyond
Serving All 50 States
One platform for all US compliance
Manage company formation, Federal Tax, State Tax, registered agent, and bookkeeping — all in one intelligent workspace.
AI-Powered
US compliance, automated
Stay compliant in the USA with automated help for Federal and State Tax, annual report filings, and registered agent management — with smart reminders and audit trails.
Connect banks, payment gateways, and government portals in one workflow so reconciliations, bookkeeping, and return-ready records stay in sync. Teams can also extend compliance flows with developer-friendly APIs and webhooks.
Everything your business needs in one platform
From LLC formation to federal tax compliance, registered agent to banking — Filings.us covers every step of your US business journey.
LLC Formation
Delaware, Wyoming, Florida & all 50 states — Articles of Organization, Operating Agreement, and EIN end to end.
C-Corp Incorporation
Incorporate your C-Corp in Delaware or your preferred state. Articles of Incorporation, bylaws, and stock issuance — all handled.
Federal Tax Filing
Federal tax registration, Form 1120/1065 filing, and audit support — AI-prepared returns with CPA verification.
State Tax Compliance
State franchise tax, annual report filing, and state income tax returns — end to end across all 50 states.
Registered Agent
Dedicated registered agent service in all 50 states. Certificate of Good Standing and legal mail forwarding — fully managed.
Bookkeeping & Accounting
Monthly accounts, bank reconciliation, and tax-ready financial records on a single platform.
Frequently asked questions
We support all 50 US states for LLC and C-Corp formation. Delaware and Wyoming are our most popular states due to their business-friendly laws. We also handle foreign qualifications in any state where you plan to do business.
No. State filing fees are billed at actuals, with receipts in your compliance vault. There are no hidden markups on government fees.
Yes. We can help you convert from LLC to C-Corp, change your registered state, or modify your company structure as your business grows.
Absolutely. We specialise in foreign founder setups, ITIN applications, EIN registration without an SSN, and US business banking introductions — so you can operate fully from outside the US.
Filings.us provides a unified platform covering federal tax registration, Form 1120/1065 filing, state franchise tax, annual reports, and ongoing compliance calendar tracking — all guided by AI and reviewed by our expert CPAs.
Get started
Ready to get started?
Create an account to incorporate your company in the USA or migrate your existing business. No credit card required to explore.