Founder of a listed tool
Matt DuVall
Co-founder and CTO, named behind the Numeral listing on Anchor Terminal.
What Matt builds
Numeral D · Tax calculation & compliance
Numeral is a hosted sales tax and VAT compliance service from Numeral Two, Inc. Its REST API calculates tax, records transactions and refunds, and manages exempt customers, and Numeral registers and files. A remote MCP server reads the account.
Co-founder and CTO, researched 27 October 2026 · the people behind it
Works with
- Jake Moffatt Former co-founder and CTO (Nov 2022–Oct 2023)
- Kevin Liu Early co-founder; current operational role unconfirmed
- Sam Ross Co-founder and CEO
Questions
Who is Matt DuVall?
Matt DuVall is co-founder and CTO of Numeral, a sales tax compliance service from Y Combinator's Winter 2023 batch. A long-time product engineer, he launched Stripe Checkout and Stripe Radar at Stripe between 2014 and 2019, then led performance and product teams at Notion from 2020 to 2022.
What does Numeral Two, Inc. make?
Anchor Terminal lists Numeral from Numeral Two, Inc.. Numeral is a hosted sales tax and VAT compliance service from Numeral Two, Inc. Its REST API calculates tax, records transactions and refunds, and manages exempt customers, and Numeral registers and files. A remote MCP server reads the account.
How are Matt's tools graded?
Numeral is graded D, 49.6 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.
Sources (14)
- https://www.numeral.com/about
- https://www.ycombinator.com/companies/numeral
- https://www.ycombinator.com/founders/230362-sam-ross
- https://www.linkedin.com/in/sambross/
- https://x.com/SpamRoss
- https://www.ycombinator.com/founders/930846-matt-duvall
- https://www.linkedin.com/in/mduvall/
- https://x.com/mduvall_
- https://www.ycombinator.com/launches/INV-numeral-ecommerce-sales-tax-on-autopilot
- https://www.linkedin.com/in/kevin-liu-cal
- https://x.com/mrkevnliu
- https://www.linkedin.com/posts/jakeonrails_launch-yc-numeral-ecommerce-sales-tax-activity-7047269713210462208-tjyG
- https://www.linkedin.com/in/jakeonrails
- https://help.numeral.com/en/articles/15566057-support-updates-june-2026
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