Regbase
YC X26San Francisco, US · Founded 2026 · 3 employees · Hiring · 1 known investors
Find your way into Regbase
332 people in our graph share verified history with the Regbase team — schools, employers, funds. One of them is your warm intro.
Paul Jennyunlockedknows Ethan Shea · together at University of Washington (overlapped)
×2knows the team · via NYU Stern School of Business
×2knows the team · via Paul, Weiss, Rifkind, Wharton & Garrison LLP
knows the team · via University of Washington
×2knows the team · via NYU Stern Center for Sustainable Business
knows the team · via Columbia Business School
Regbase provides regulatory monitoring and compliance tracking for lawyers, compliance officers, and business teams across employment law, AI governance, healthcare, privacy, government procurement, climate, private equity, and regulated industries.
Founders & leadership· Y Combinator alumni (X26)
Regbase was founded in 2026 by Natalie Aresta-Katz and Ethan Shea.
NA
Natalie Aresta-KatzinFounderNatalie Aresta-Katz founded Saponify, a soap business, before starting Regbase. She holds an MBA from Columbia and a degree in sustainable business from NYU Stern, and previously worked as a regulatory researcher at Paul, Weiss law firm.
ES
Ethan Sheain𝕏Founder, CTOHe previously worked as a staff engineer at Vercel, where he built observability infrastructure and developed an AI agent product, and at Citadel, where he maintained trading data systems. He studied at the University of Washington.
Investors · 1
Competitors · 3
by search overlap
Rulebase4 shared keywordsRulebase provides AI-powered agents for financial services companies to automate customer operations and drive revenue, working across onboarding, reactivation, and retention workflows to convert approved accounts into transacting customers. The platform integrates with existing KYC stacks, CRMs, and support tools to catch stalled accounts and run follow-ups via multiple channels.
Quickbase3 shared keywordsQuickbase + FastField provide field service management software that captures field data in real time and syncs it to an office-based operational control system. The solution combines mobile field capture with real-time visibility, work order management, safety tracking, and asset management for asset-heavy, compliance-driven industries including construction, utilities, manufacturing, and healthcare.
homebase3 shared keywordsHomebase is a management platform for small businesses that includes team messaging, scheduling, shift tracking, onboarding, and payroll features. It serves restaurants, retail, and other hourly-wage businesses with tools for employee communication, scheduling, and performance tracking.
Companies competing with Regbase for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Regbase do?
- Regbase provides regulatory monitoring and compliance tracking for lawyers, compliance officers, and business teams across employment law, AI governance, healthcare, privacy, government procurement, climate, private equity, and regulated industries.
- Who founded Regbase?
- Regbase was founded by Natalie Aresta-Katz, Ethan Shea in 2026.
- Who are Regbase's investors?
- Regbase's investors include Y Combinator.
- Where is Regbase headquartered?
- Regbase is headquartered in San Francisco, US.