ChurnZero

ChurnZero sells a subscription customer success platform. It combines health scoring, automation, in-app engagement, reporting and agentic AI to help customer success teams retain and expand accounts. Its customers are subscription and SaaS businesses. It was founded in 2015 by You Mon Tsang and Mark Heys, and it is remote-first with offices in Washington, D.C. and Amsterdam. Funding totals roughly $34.5–37.6M across seed, Series A (2019) and Series B (2021) rounds, backed by JMI Equity, Baird Capital and Grotech Ventures. In June 2026 it launched an agentic AI product called Agentic Essentials.