Public company, workplace, funding, and market signals
Updated Jul 29, 2026
Sphere is a San Francisco-based AI-native cross-border tax compliance platform founded in 2021. It automates sales tax, VAT, and GST registration, calculation, filing, and remittance for global software and internet companies using its TRAM engine and direct connections to 100+ tax authorities.
Primary product
AI-native cross-border tax compliance platform (TRAM) for sales tax, VAT, and GST automation
Founded
2021
Headquarters
San Francisco, California, United States
Team size
about 50 people on the company site; LinkedIn company overlays show roughly 20-30 employees
Work style
Onsite
Industry
Software Development
Sub-industry
AI-native tax compliance software / indirect tax automation
Offices
Business model
Leadership
Founder & CEO
Alex Bowcut
Head of Engineering
Kaitlyn Foroud
Global Tax Lead
Founding Engineer
Operations Associate
Senior Backend Engineer
Founding AE
Founding Engineer
Founding Engineer
Founders
Co-Founder & CTO
Investors
Small, fast-moving, mission-driven team with a strong in-office culture. Public copy emphasizes high ownership, rapid hiring impact, expert-in-the-loop rigor, annual international offsites, and social team rituals like go-karts and drinks at House of Shields.
Work style
Onsite
Compensation
Public job postings show competitive SF compensation bands, including roughly $180K-$280K base for engineering roles and $220K-$260K for the Europe account executive role, plus equity.
Benefits
Pricing
Starter pricing is $100 per region per month for under 10 regions, with higher-tier custom pricing for 10+ regions and a flat fee per transaction for high-volume usage above 50,000 transactions; no implementation fees are advertised.
Differentiators
Technology
Customers
Competitors
Estimated revenue
USD 1M-10M
Estimated monthly visits
33.2K
Traffic estimate as of Jun 2026
Sphere blog · Jul 2026
Describes Sphere’s remittance workflow, including one consolidated ACH debit per period and automated distribution to tax authorities. The article also explains multi-jurisdiction remittance, audit trails, and international currency handling.
Maxio · Jun 2026
Maxio announced Sphere as one of its added tax-provider options and described how Sphere integrates into billing workflows for indirect tax calculation.
Sphere blog · Jun 2026
Explains Sphere’s nexus monitoring product, including automatic tracking of economic and physical nexus, rule updates, and the claim that nexus monitoring is free until a company registers and files in a jurisdiction.
Sphere blog · Nov 2025
Explains how TRAM ingests and interprets tax authority guidance, builds product taxonomies, and turns unstructured law into machine-readable rules. The post also describes expert-in-the-loop review and expansion into input tax, withholding tax, and tariffs.
TechCrunch · Nov 2025
Independent coverage of Sphere’s Series A and product positioning. TechCrunch notes the customer base, 100+ tax-authority integrations, TRAM, the long stealth period, and rivals such as Avalara and Stripe Tax.