The all-in-one startup
operating system

Incorporation, compliance, bookkeeping, and taxes – all in one place.

Start my company Onboard my existing company

Start and Grow

Everything you need to start and run your business.

Form your LLC or C-Corp. No paperwork or legal headaches. Our platform automates the entire company formation process with compliance and 24/7 global customer support.

Start my company Learn more

Firstbase One is a suite of tools that provides founders with everything they need to run their business, including accounting, registered agent services, a premium physical US address, and tax filing services.

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Explore

One platform to launch, operate, and grow a startup.

Start

Form your LLC or C-Corp. No paperwork or legal headaches. Our product automates the entire process.

Mailroom

Get a premium, physical US address. All your business mail in one place. Maintain privacy, without missing an important notice.

Agent

Stay compliant in every state. Registered agent, franchise tax, annual reports. Automated peace of mind everywhere you operate.

Accounting

Get tax and investor ready financials. Powerful accounting platform. Full-service accrual bookkeeping. Books closed on time, every time.

Tax filing

File your taxes with ease. C-Corp or LLC. US-based or international founders. Corporate and personal returns – we’ve got you covered.

Payroll tax registration

Hire from all 50 states. State and city level payroll registrations. Withholding and unemployment accounts anywhere you hire. Forget outrageous EOR fees.

New

All the power of Firstbase, one package.

Save $1,950

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Start add-on

Mailroom Premium

Secure a premium physical address and virtual mailbox

Agent Autopilot

Get compliance reminders and annual report filings

Accounting

Manage all your transactions in a unified dashboard

Tax Filing

Easily file state and federal taxes for your LLC or C-Corp

Faster with Firstbase

Starting a company should be a celebration, not a nightmare.

All-in-one platform.

Why manage eight different tools when you can have everything in one place.

Save time & money with automation.

Faster and more accurate than traditional services.

Global support from real humans.

Trusted by founders in 188 countries.

Rewards and Perks

Get access to $350,000 in perks from our world-class partners and integrations.

Banking

Quickly get approved for a US bank account through our banking marketplace.

Payments

No Stripe processing fee for your first $20,000 in transactions.

Equity

Create a captable in Carta in one click after assigning equity using Firstbase’s post-formation toolkit. File 83(B) for free and on time.

Legal

Get up to $6,000 worth of credits from world-class law firms.

"I'm excited to be a part of Firstbase’s journey as they democratize access to starting companies by making it accessible to everyone."

Henry Ward

CEO

"Deciding to launch your own startup is hard enough. Firstbase takes what is often a big headache of incorporation for founders and simplifies the process into an efficient, personalized one stop shop."

Danny Olinsky

Co-founder

"We’re thrilled to support Firstbase’s mission and believe they will have a massive impact on new businesses being started around the world.”

Jared Friedman

Partner

"Firstbase is tackling a big problem involving multiple government bureaucracies and this kind of relentless focus on the details is the only way to make launching a business truly seamless."

Tyler Tringas

Founder

Accelerating startups around the world

Companies incorporated

30,000+

Representing

191 countries

Total raised by customers

$3B in funding

Start your dream business with Firstbase

Start, grow, and manage your business with the next-generation business operations platform for founders