
Customer.io
Personalized customer engagement platform
CORE INFO
Customer.io is a platform that helps businesses create personalized customer journeys through various channels like email, SMS, and push notifications, enhancing engagement and conversion rates for over 7,400 clients, including Notion and Codecademy.
- Customer.io raised $29.9 million in a Series A funding round led by Spectrum Equity in March 2022.globenewswire.com
- The company achieved an annual recurring revenue of $100 million as of September 2025.customer.io
- Customer.io was ranked No. 2,283 on the 2025 Inc. 5000 list, with a 188% three-year growth rate.inc.com
WHY WE WOULD WORK AT CUSTOMER.IO
People-First Culture
Enjoy a supportive environment with unlimited PTO, paid medical insurance, and a focus on personal relationships, ensuring a healthy work-life balance.
Innovative Technology
Work with cutting-edge tools in customer engagement, leveraging real-time data to create personalized journeys for over 7,400 businesses, including Notion and Codecademy.
Competitive Compensation
Benefit from a strong financial foundation with $100 million in annual recurring revenue, ensuring stability and growth opportunities for employees.
Recognized Growth
Join a company ranked No. 2,283 on the 2025 Inc. 5000 list, showcasing a remarkable 188% growth rate and a commitment to excellence.
Global Impact
Contribute to a mission that enhances customer engagement across diverse industries like SaaS, EdTech, and FinTech, making a meaningful difference worldwide.
Continuous Learning
Access a dedicated learning development budget to foster personal and professional growth, ensuring you stay ahead in the fast-evolving tech landscape.
MARKET AND TRACTION
KEY METRICS
✦ KEY METRICNOTABLE CUSTOMERS
GROWTH TACTICS
TOTAL ADDRESSABLE MARKET
COMPETITIVE ADVANTAGE
PRODUCT AND TECH
Customer Engagement Platform
Customer.io's core offering enables organizations to create personalized customer journeys across multiple channels, enhancing engagement and conversion rates.
Behavioral Messaging
Utilizing real-time user behavior events, Customer.io triggers tailored messages through various channels, including email, SMS, and push notifications, to optimize customer interactions.
Multi-Channel Communication
The platform supports diverse messaging channels such as in-app messages, webhooks, and SMS, allowing businesses to reach customers where they are most active.
Real-Time Data Utilization
By leveraging first-party data in real-time, Customer.io empowers businesses to automate and customize their messaging strategies, leading to improved customer experiences.
Automation Tools
Customer.io provides automation capabilities that allow businesses to streamline their messaging processes, ensuring timely and relevant communication with customers.