Customer.io hit $78M ARR
Customer.io Historical Milestones
Oct 23, 2025
Customer.io ARR Hits $100M$100M
⚡ Grew from $78M to $100M ARR in just 10.5 months
Dec 8, 2024
Customer.io Reaches $78M ARR$78M
⚡ Grew from $50M to $78M ARR in just 19 months
May 8, 2023
Customer.io Reaches $50M ARR$50M
⚡ Grew from $25M to $50M ARR in just 15.7 months