Numeral — Startup Profile
The AI-native sales tax solution.
HQ: San Francisco, CA, United States | Founded: 2022 | Employees: 51-200 | Stage: Series B | Website: https://www.numeralhq.com
About
Numeral provides end-to-end sales tax compliance automation for ecommerce and SaaS businesses, covering nexus monitoring, registrations, filing, remittance, exemption certificate management, and virtual mailbox services for tax correspondence. The platform operates across 70+ countries for US sales tax and global VAT/GST compliance. Using AI-driven automation combined with a team of tax professionals, Numeral handles over 150,000 tax return filings annually and has processed $5B+ in transaction volume. The company serves 3,000+ customers including Ridge, Eight Sleep, Graza, Brex, Fishwife, and Character.ai. Founded in 2022 by Sam Ross and Matt DuVall, Numeral raised a $35M Series B led by Mayfield at a $350M valuation in September 2025, following an $18M Series A led by Benchmark in March 2025.
The Take
Numeral is an AI-native sales tax compliance platform that handles the full lifecycle — from nexus monitoring and registrations to filing, remittance, exemption certificate management, and virtual mailboxes — for 3,000+ ecommerce and SaaS businesses across 70+ countries. Backed by $57M in funding at a $350M valuation, the company differentiates through a compliance-as-a-service model combining flat-fee pricing, AI-powered automation, and white-glove tax expert support, filing over 150,000 returns and processing $5B+ in transaction volume annually.
Key Metrics
- VALUATION: $350M
- LAST ROUND: $35M Series B
- TOTAL FUNDING: $57M
- EMPLOYEES: 51-200
- CUSTOMERS: 3,000+
- EST. ARR: ~$5M (2025 est.)
- FOUNDED: 2022
- HQ: San Francisco, CA
Funding Rounds
- Round: $4M (2023-01-01) — Y Combinator
- Round: $18M (2025-03-05) — Benchmark Capital
- Round: $35M (2025-09-18) — Mayfield
Key People
- Sam Ross
- Matt DuVall
- Jake Moffatt
Key Competitors
- Avalara —
- Anrok —
- Zamp —
- TaxJar (Stripe Tax) —
- Vertex —
- Kintsugi AI —
Timeline Highlights
- 2026: 3,000+ Customers
- 2025-09-18: Series B — $35M
- 2025-03-05: Series A — $18M
- 2024-06: $3.1M ARR
- 2023-06: $1M ARR
- 2023: Seed Round
- 2023-Q1: Y Combinator W23
- 2022: Numeral Founded
Recent News
- Numeral Raises $35M to Automate Sales Tax with AI (2025-09-18)
- AI-Powered Tax Startup Numeral Raises $35M Series B (2025-09-19)
- Numeral Secures $18 Million in Series A Funding (2025-03-05)
- Numeral Secures $35M Series B for AI Sales Tax Automation (2025-09-18)
- Numeral Raises $35 Million for Sales Tax Compliance Platform (2025-09-19)
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