Sphere

AI-powered sales tax, VAT and GST compliance

View on Y Combinator

Founders

Nicholas Rudder

CEO

Funding History

Seed $4.3M
Led by Felicis
Felicis, Pioneer Fund, Y Combinator, 20VC
Series A $21M
November 2025
Led by Andreessen Horowitz
Andreessen Horowitz, Y Combinator

Articles

Sphere Raises $21M Series A to Automate Global Tax Compliance

Sphere Raises $21M Series A to Automate Global Tax Compliance

· FinTech
The AI-native tax compliance platform raised a $21M Series A led by a16z, signing customers like Replit, ElevenLabs, and Lovable.
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