ChurnZero
churnzero.com · Customer support · Customer & Communications
ChurnZero is an AI-powered customer success platform tailored for B2B SaaS and subscription businesses. Founded in 2015 by You Mon Tsang and Mark Heys, the company aims to enhance customer growth, reduce churn, and improve revenue retention.
Company facts
| Founded | 2015 (11 years) |
| Latest funding | Series B |
| Employees | 180 |
| Headquarters | Washington, United States |
| Trusted networks on Proven | 4 investor, bank and government networks offer ChurnZero to their members |
Company facts from Apollo.io company data. Network, offer and redemption data from the Proven platform. A Proven Score is published once publicly named clients are verified with sources.
Competitors in Customer support
| Fin (formerly Intercom) | 100 |
| Zendesk | 72 |
| Freshworks | Score in progress |
| OP360 | Score in progress |
| Front | Score in progress |
| Planhat | Score in progress |
| TaskUs | Score in progress |
| Gainsight | Score in progress |
| ChurnZero | Score in progress |
| DevRev | Score in progress |
| Delighted | Score in progress |
| Balto | Score in progress |
| Call Pal | Score in progress |
| Vitally.io | Score in progress |
| GuideCX | Score in progress |
| Yellow.AI | Score in progress |
Source: Proven platform data, public records and vendor websites. Vendors cannot pay to change a score. Methodology. Updated 2026-10-21.