AI-native tax engine company Sphere has completed a $21 million Series A funding round, led by a16z

AI-native tax engine startup Sphere announced the completion of a $21 million Series A funding round, led by a16z, with participation from Y Combinator, Felicis, 20VC, and others.

Sphere leverages AI to automatically parse global tax laws and achieves end-to-end tax compliance automation necessary for corporate global expansion through over 100 local tax filing channels, earning the title of "the tax version of Deel." The system is designed specifically for cross-border income compliance, aiming to enable businesses to "operate globally" from day one.