
About Firstbase
Firstbase is an online platform for people who want to set up and run a US company. It brings formation, banking, bookkeeping, tax filing and compliance into one account.
What it does
Firstbase handles the paperwork for forming a US company, such as an LLC or a C-Corp. After that, it covers the ongoing tasks that come with running one, including registered agent service, annual reports, franchise tax and tax returns. Accounting and bookkeeping sit in the same system, so financial records stay close to the company filings.
Key features
- Company formation for LLCs and C-Corps
- Registered agent and annual report filings
- Virtual mailbox with a US street address
- Bookkeeping and accrual accounting
- Federal and state tax filing
Who it's for
Firstbase suits founders who want to set up a US company from outside the country, as well as early-stage teams that do not want to manage filings by hand. Small businesses that need a US mailing address for their company also use it.
Pricing and good to know
The site advertises a formation offer where the company fee is waived and you pay only the state fee. A bundled plan is also listed. Check the current prices on the site before you sign up, since offers and plan contents can change. The service runs in the browser, and part of the work is done with expert review by staff, not only by software.
Highlights
- Form an LLC or C-Corp for a US business
- Registered agent service and annual report filings
- Virtual mailbox with a US street address
- Bookkeeping and accrual accounting for your company
- Federal and state tax filing












