Customer.io

Customer.io is a marketing automation platform founded in 2012 and based in Portland, Oregon. The company specializes in enhancing customer engagement through personalized, data-driven messaging across various channels, including email, mobile, push notifications, in-app messages, and SMS. This omnichannel approach allows businesses to unify their customer interactions and utilize real-time data for effective engagement strategies. The platform automates messaging based on user behavior and preferences, integrating seamlessly with existing systems through webhooks and APIs. Customer.io has demonstrated significant growth, processing over 56 billion messages and 7.3 billion webhooks in 2024, and achieving over $50 million in annual recurring revenue. Led by CEO Colin Nederkoorn, the company fosters a culture of innovation and customer-centricity, prioritizing employee benefits and a supportive work environment.