The simplest way for anyone to launch and run a US business with no paperwork or legal headaches. Incorporate your company, access one-click growth tools, stay compliant, and manage everything your business needs, all online, from anywhere. 
Choose an LLC or Corporation and the registration state for your business. We'll guide you through which is best for your business if you don't know. Get a professional business address and virtual mailbox to instantly manage all your mailing needs - online, from any device.
 Open a bank account without an EIN.. Don't wait on the IRS. We'll give you a bank account faster without needing an EIN. We're also authorized by the Internal Revenue Service (IRS) to offer expedited EIN services if needed. Bank account application subject to approval by Mercury.

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No paperwork or legal headaches. Our online platform automates the entire company formation process with compliance and 24/7 global customer support.


Get more done with Firstbase.
Starting a company should be a celebration, not a nightmare. Start, grow, and manage your business with support each step of the way.


Submit a simple application with details about your business. Sign some forms and will submit your forms to the relevant state and federal agencies.


The fastest way to grow your business. Add banking, payments processing, payroll and more while unlocking rewards and discounts to fuel your company growth.


Live chat on website. Got questions or need tax advice? Sign up for live webinar's, consultations and more for tax info, help, or advice. Help center with numerous articles.

Use Case

Everything you need to start a company, whether LLC or C-Corp. Need EIN and all the legal documents? Bank account for your company even without an EIN?