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Overview
Numeral is an AI-powered sales tax compliance platform covering the full lifecycle for businesses and accounting firms, including nexus monitoring, registrations, rate calculation, filing, remittance, exemption certificate management, and virtual mailbox services, plus VAT and GST compliance in 90+ countries. It connects with more than 40 billing, financial, and ERP systems and uses a deterministic tax engine together with AI automation and in-house tax specialists to process tax work efficiently. Its differentiators are the combination of automated tax calculations with hands-on expert support, broad cross-border coverage, and deep system integrations, backed by an accounting partner program for referrals, resale, and implementation. The goal is to make multi-jurisdiction tax compliance scalable and efficient for businesses of all sizes while expanding product capabilities and partnerships to meet growing compliance needs.
About Numeral
Industries
Data & Analytics
Enterprise Software
Fintech
AI & Machine Learning
Company Size
51-200
Company Stage
Series C
Total Funding
$153.6M
Headquarters
San Francisco, California
Founded
2023
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Simplify's Take
What believers are saying
- September 23, 2026 Series C raised $100 million from Insight Partners and Salesforce Ventures.
- California SaaS taxation starting 2027 expands Numeral's addressable market immediately.
- Over 80 million expected transactions and 327% growth signal strong product-market fit.
What critics are saying
- Avalara, TaxJar, Vertex, and Anrok already own entrenched tax-compliance buyer relationships.
- California SB 122 makes SaaS taxable January 1, 2027, inviting fast-follow regulations.
- Stripe or ERP vendors can bundle tax compliance, crushing Numeral's standalone margins.
What makes Numeral unique
- 2026: Numeral combines deterministic tax rules, AI automation, and in-house specialists.
- Numeral connects to 40+ billing, financial, and ERP systems across full tax lifecycle.
- September 2026 partner program lets accounting firms resell, implement, and refer clients.
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Funding
Total Funding
$153.6M
Above
Industry Average
Funded Over
5 Rounds
Insight Partners
Benchmark
Y CombinatorIndustry standards
Benefits
Remote Work Options
Flexible Work Hours
Growth & Insights and Company News
6 month growth
↑ 2%1 year growth
↑ 2%2 year growth
↓ -6%Numeral, an AI-powered sales tax compliance platform, has raised $100 million in Series C funding led by Insight Partners. Salesforce Ventures, Geodesic, Benchmark, Mayfield, FCVC, Y Combinator, and Uncork also participated. The San Francisco-based company will use the funds to accelerate product development, expand its offering across software, manufacturing, distribution, and wholesale industries, and grow its team. Numeral recorded 327% year-over-year growth in transaction volume and expects to process over 80 million transactions through its tax engine. Founded in 2023 by Sam Ross and Matt DuVall, Numeral provides sales tax compliance services including nexus monitoring, registrations, tax calculation, and filings. The platform supports VAT and GST compliance in over 90 countries and integrates with more than 40 billing and financial systems. Numeral previously raised a $35 million Series B in September 2025, bringing total funding to $157 million.
Numeral, the AI-powered sales tax compliance platform for ecommerce and SaaS businesses, raised $35 million in a Series B funding round, led by Mayfield with participation from Benchmark, Uncork Capital, Y Combinator, and Mantis.
On Thursday, Numeral announced that it raised $35 million in Series B funding, valuing the two-year-old company at $350 million.
Numeral, a sales tax compliance startup founded by Sam Ross, raised $35 million in Series B funding, valuing the company at $350 million. The funding round was led by Mayfield, with participation from Benchmark, Uncork Capital, Y Combinator, and Mantis. Ross, inspired by his experiences managing sales tax for his e-commerce businesses, aims to automate sales tax management using AI. This funding comes just six months after Numeral's $18 million Series A round.
Earlier this year, Numeral raised $18 million in a Series A round led by Benchmark Capital, a stepping stone that fueled its rapid development and market expansion.
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About Numeral
Industries
Data & Analytics
Enterprise Software
Fintech
AI & Machine Learning
Company Size
51-200
Company Stage
Series C
Total Funding
$153.6M
Headquarters
San Francisco, California
Founded
2023
Numeral is Hiring for 28 Jobs on Simplify!
Find jobs on Simplify and start your career today