Synthetic is an AI-native bookkeeping platform built for software startups that operates with no human bookkeepers or accountants on staff. It connects to a customer's banks, payroll, billing systems and inboxes, then returns sharp clarifying questions to understand business context before producing accurate books and reports. Founded by Ian Crosby, who previously co-founded and built Bench Accounting into North America's largest small-business bookkeeping service, Synthetic raised a $10M seed led by Khosla Ventures with Basis Set Ventures and operator-investors including Shopify's Tobi Lutke, Opendoor's Kaz Nejatian, Bridge's Zach Abrams and Figure's Michael Tannenbaum.