Join Waitlist You run your startup.
We run your accounting.
Building a product has never been easier. But running a business is still tedious as hell.
Synthetic handles your bookkeeping start to finish, so you can get back to building.
An AI agent that does
your bookkeeping
Not a tool you learn, not a person you hire. A new kind of AI that does your bookkeeping start to finish using tools built specifically for the job.
Join waitlistConnect everything, Synthetic does the work
Connect your bank accounts, your payroll system, your business tools, your email. Synthetic goes in, reads the context of your business, reconciles what needs reconciling, and comes back with sharp clarifying questions — not busywork.
Answer some questions, then come back when it's done
That's the entire experience. No learning curve. No monthly call with a bookkeeper who doesn't understand your business. No spreadsheet you swore you'd update last month.
Accrual-basis books, done right
You get full access to your financials and the insights behind them. Export wherever you need. Hand off to your tax preparer and you're done. Just accrual-basis books for startups, ready for tax filing.
Our aspiration is to make starting a business as easy as starting a repo.
Building a product got 10x easier with AI. The business side is now the bottleneck.
AI coding tools have changed everything. A weekend hack can become a real product by Monday morning. But then Monday actually arrives, and that product idea gets abandoned because turning it into a real business requires a mountain of busywork. Incorporation. Bank accounts. Payments. Accounting. Taxes. Compliance. None of that got easier. Synthetic is changing that.
How it works →A high bar for craft across everything that we do
Everyone here is someone you can count on: excellent at what they do, intellectually honest, and genuinely committed. Our founder, Ian Crosby, previously built the largest bookkeeping service in the world for small businesses. Synthetic is backed by Khosla Ventures and headquartered in San Francisco, where we work in person, six days a week to make our aspiration a reality.
We're hiring. If this sounds like a team you'd like to be a part of, please apply here →