Numeral raises $35M to automate sales tax with AI, making compliance easier for e-commerce and SaaS businesses.
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Numeral Raises $35M to Automate Sales Tax with AI
Sam Ross, co-founder and CEO of Numeral, turned his frustrations with sales tax compliance into one of the fastest-growing startups in fintech. On September 18, 2025, the company announced Numeral raises $35M to automate sales tax with AI , bringing its valuation to $350 million. Image Credits:Numeral This new funding round, just six months after an $18M Series A, was led by Mayfield with support from Benchmark, Uncork Capital, Y Combinator, and Mantis—the venture firm co-founded by The Chainsmokers. The pain point that sparked Numeral Ross first came up with the idea while traveling the world after working as a product manager at Airbnb. To fund his travels, he launched small e-commerce brands, including an online jewelry store and a vitamin DTC site. While he enjoyed the flexibility, he was constantly frustrated by the complexity of handling sales tax. The rules became even tougher in 2018, when the Supreme Court ruled that online businesses must collect and pay taxes in every state where…
