Sphere, Inc. is building an AI-native tax compliance platform designed to help businesses navigate global indirect tax regulations as they expand internationally. The company's core technology addresses the complexity of cross-border tax obligations by automating registration, calculation, filing, and remittance across more than 100 jurisdictions, with implementations achievable in under 24 hours.
Central to Sphere's approach is its proprietary Tax Review and Assessment Model (TRAM), which combines artificial intelligence with human expertise to collect, codify, and monitor global tax laws. The platform's technical domains span AI, tax law codification, automation, and integration with tax authorities. The company operates in the tax compliance, international billing, and cross-border compliance verticals.
Sphere has raised $21 million in a Series A funding round. Its investors include Y Combinator, Andreessen Horowitz, Felicis Ventures, and 20VC. The company provides 24/7 expert support to its clients.
