# Customer.io

> Customer.io is an event-driven customer engagement platform that lets teams orchestrate email, push, SMS, and in-app messages based on real-time user behavior. Founded in 2012 by Colin Nederkoorn and John Allison, the company built a reputation with technical, data-savvy teams who wanted to trigger campaigns off product events rather than static lists. Today more than 7,500 companies - including Notion, Buffer, Angi, and Lemonade - use it to run lifecycle marketing, and the platform has expanded into a unified data-plus-AI system, crossing $100M in annual recurring revenue.

- **Founded:** 2012
- **Headquarters:** Portland, Oregon, USA (fully remote / globally distributed)
- **Founders:** Colin Nederkoorn (Co-founder & CEO), John Allison (Co-founder & CTO)
- **Team size:** ~200-500 employees (100% remote, globally distributed)
- **Products:** Journeys (Customer Engagement Platform), Data Pipelines, AI Agent, Parcel (email code editor), Additional channels
- **Notable:** Crossed $100M in annual recurring revenue in 2025, Trusted by 7,500+ companies including Notion, Buffer, and Angi, Reached a $690M valuation at its 2022 Series A - a full decade after founding

## Products & services

- **Journeys (Customer Engagement Platform)** — The core event-driven platform for building automated, multi-channel campaigns across email, push, SMS, and in-app messaging using a visual workflow builder, segmentation, and Liquid personalization.
- **Data Pipelines** — Customer data plumbing - integrations, APIs, webhooks, data-warehouse sync, reverse ETL, custom objects, and CSV import - to unify first-party data feeding the messaging layer.
- **AI Agent** — Generative AI that turns a single prompt into a fully configured campaign with triggers, content, timing, and logic. Part of a 2026 release that also added LLM Actions and Goals.
- **Parcel (email code editor)** — A best-in-class email coding and development environment acquired in 2022 and folded into the platform for engineering-minded email teams.
- **Additional channels** — WhatsApp and LINE support plus a redesigned UI added in the 2026 product release, extending reach beyond core email/push/SMS/in-app.

## Achievements

- Crossed $100M in annual recurring revenue in 2025
- Trusted by 7,500+ companies including Notion, Buffer, and Angi
- Reached a $690M valuation at its 2022 Series A - a full decade after founding
- Ranked #13 on the Best Practice Institute's Top 100 Global Most Loved Workplaces for 2026
- Bootstrapped-style capital efficiency: ~$100M ARR on roughly $40M raised
- Acquired Parcel (2022) and Gist to deepen email tooling and mobile capabilities

## Latest updates

- **2026-04** — Announced its biggest product release: an AI Agent, LLM Actions, Goals, WhatsApp and LINE channels, and a redesigned UI.
- **2025-12** — Crossed $100M in annual recurring revenue; CEO Colin Nederkoorn published a note reflecting on the milestone.
- **2026-01** — Named #13 on the Top 100 Global Most Loved Workplaces list for 2026.
- **2022-01** — Raised a $35M Series A led by Spectrum Equity at a $690M valuation and acquired Parcel and Gist.

## Links

- Website: https://customer.io
- LinkedIn: https://www.linkedin.com/company/customer-io/
- Twitter/X: https://twitter.com/customerio
- GitHub: https://github.com/customerio
- YouTube: https://www.youtube.com/customerio
- Facebook: https://www.facebook.com/customer.io

---

Profile page: https://yespress.io/customer-io
Published by YesPress — https://yespress.io
Last updated: 2026-08-06