# Sphere

> AI-native global indirect-tax compliance engine for software companies.

## Why it is interesting

Sphere automates VAT/GST registration, calculation, and filing across 100+ regions — plugging into Stripe, Rillet, and NetSuite as a programmable tax layer.

## Profile

- **Stage:** series-a
- **Status:** private
- **Industries:** fintech, enterprise-saas, ai-ml
- **Coverage:** full
- **Last updated:** 2026-07-24

## Key facts

- Series A: led by a16z; repeat founder Nick Rudder (a16z announcement)
- Co-investors: no additional institutional investors disclosed in public sources reviewed 2026-07-24
- Source: https://a16z.com/announcement/investing-in-sphere/

## Investors in our directory

- https://venturecapitaltracker.com/fund/andreessen-horowitz

## Related articles

- https://venturecapitaltracker.com/2026-a16z-hot-portfolio-companies

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Source: https://venturecapitaltracker.com/startup/sphere