How much funding has Sphere raised?

Sphere has raised $25.3M in total funding, most recently a Series A round.

Who are Sphere's investors?

Sphere's investors include Andreessen Horowitz, Felicis Ventures, 20VC, Y Combinator Continuity Fund.

Where is Sphere headquartered?

Sphere is headquartered in San Francisco, California, United States.

What industry is Sphere in?

Sphere operates in Artificial Intelligence, Financial Services.

Sphere

AI-powered sales tax, VAT and GST compliance

San Francisco, United States · Founded 2021 · $25.3M raised

Artificial Intelligence

Financial Services

YC W22

Headquarters: San Francisco, California
Employees: 1–10
Founded: 2021
Business Model: B2B

Website: getsphere.com
Total Funding: $25.3M
Last Round: $21.0M Series ANov 2025
Rounds: 2

About

Sphere is an AI-powered cross-border compliance platform. We help companies like Lovable, Eleven Labs, Replit and Windsurf automate their sales tax, VAT, GST compliance obligations. What makes us different to other vendors on the market is: 1. we have spent the last 1.5 years building local rails into 100+ tax authorities in both the US and internationally to properly automate compliance processes, and 2. we've built the world's first AI-native tax engine which ingests, codifies and monitors tax law globally.

Summary

Sphere is an Artificial Intelligence company based in San Francisco, United States, founded in 2021. It has raised $25.3M in total across 2 rounds, most recently a $21.0M Series A round in Nov 2025. Investors include Andreessen Horowitz, Felicis Ventures and 20VC.