Missive is a collaborative team inbox and chat tool that lets teams work together around email, SMS, WhatsApp, Twitter and other channels. Founded in 2015 by Philippe Lehoux, Rafael Blais Masson and Étienne Lemay, it is bootstrapped and profitable, reporting roughly $6.1M revenue and around 2,000 customers in 2024, and states SOC 2 Type II and GDPR compliance.