Assembly
YC W18New York City, US · Founded 2020 · 25 employees · 3 known investors
Assembly provides a branded client portal for professional service firms to manage clients, contracts, and billing. The platform serves accounting, real estate, law, marketing, and tech firms, offering AI-powered back-office tools, messaging, file-sharing, invoicing, and eSignature capabilities.
E-commerceEnterprise SoftwareFuture of WorkMarketing TechSaaSB2BAIAI Assistantin /assemblycom/@assemblycom
Founders & leadership· Y Combinator alumni (W18)
Neil RainainFounder
Investors · 3
In the news
- Delaware General Assembly roundup: Public school funding - Spotlight Delawarespotlightdelaware.org · 2026
- General Assembly passes budget with 8% average teacher raises, plus funds for literacy, math, and researchednc.org · 2026
- The Pulse: The General Assembly restores some funding for HIV healthcare programs - Cardinal Newscardinalnews.org · 2026
- General Assembly-passed budget includes pay raises for lawmakers | WRIC ABC 8Newswric.com · 2026
- Sydney’s Assembly in fund-raising push for property fundafr.com · 2025
- Assembly Launches with New Name and AI Assistant to Redefine Client Management for Service Firmsbusinesswire.com · 2025
- Introducing Copilot 1.0 and Announcing our Series Acopilot.com · 2023
- Copilot lands $10M to help service businesses build digital customer experiences • TechCrunchtechcrunch.com · 2023