TRAY.IO

FOUNDERS: Dominic Lewis, Alistair Russell, Richard Waldron (CEO) EQUITY RAISED: $109 mil • ESTIMATED 2019 REVENUE: $15 mil LEAD INVESTORS: GGV Capital, Meritech Capital, Mosaic Ventures, Spark Capital, True Ventures

Its workflow-automation tools help businesses with such tasks as generating marketing leads and processing payments. Founded by British expats in 2012, the startup bootstrapped for years. Now customers such as Zendesk and GitHub pay $595 and up a month.