Sphere
AI-powered sales tax, VAT and GST compliance
San Francisco
34 employees
AI
Series A · $25.3M
About Sphere
AI-powered sales tax, VAT and GST compliance
AI-powered sales tax, VAT and GST compliance
AI-powered sales tax, VAT and GST compliance
Total raised
$25.3M
Last stage
Series A
Investors
Tony Conrad
Co-founder of Sphere, founded in 2021.
Adrian Sarstedt
Co-founded Sphere (originally ScholarSite) alongside Nicholas Rudder. Departed the company prior to the Series A announcement in November 2025.
Nicholas Rudder
I'm the Co-Founder and CEO of Sphere, living in SF but originally hailing from the sunny shores of Sydney, Australia. My background is in both tech and finance.
LinkedInNicholas Rudder
I'm the Co-Founder and CEO of Sphere, living in SF but originally hailing from the sunny shores of Sydney, Australia. My background is in both tech and finance.
LinkedInNo applications, no recruiter spam. Just the intro.
A few questions to make sure this role is the right shape for you. Two minutes.
I write the intro, send it to the founder, and handle the back-and-forth.
If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.