# Customer.io

Customer messaging and lifecycle automation platform.

Automated customer messaging and lifecycle engagement platform built for product-led growth.

Canonical: https://uniquebase.ai/companies/customer-io
Stable identifier: UB-C4505
Snapshot captured: 2026-10-15T14:23:27.067Z
English updated: 2026-10-15T20:20:54.793Z

## Funding

No funding records are listed yet.


## Valuation

No valuation records are listed yet.


## Revenue

Listed 8 records.
Latest: $100M (ARR), 2025-10-23.

- 2025-10-23 · $100M (ARR) · https://customer.io/learn/announcements/customerio-crossed-100m-note-from-ceo
  > On 2025/10/23, Customer.io reported that Customer.io disclosed annual recurring revenue (ARR) of USD 100 million in the AI Sales & Marketing sector. (translated source brief)
- 2025-10-22 · $100M (ARR) · https://customer.io/learn/announcements/customerio-crossed-100m-note-from-ceo
  > On 2025/10/22, Customer.io co-founder and CEO Colin Nederkoorn disclosed that the company had exceeded USD 100 million ARR in month 9 of that year, served more than 8,000 businesses and sent approximately 64 billion messages over the past 12 months. The announcement did not disclose funding of the same amount. (translated source brief)
- 2024-12-08 · $78M (ARR) · https://www.arr.club/customer-io/customer-io-reaches-78m-arr
  > On 2024/12/8, ARR Club reported that US customer messaging automation platform Customer.io had disclosed USD 78 million in annual recurring revenue. From USD 20 million ARR in 2021, it continued to expand its market share in SaaS user engagement tools. (translated source brief)
- 2023-08-03 · $50M (ARR) · https://sacra.com/research/customer-io-path-100m/
  > On 2023/8/3, Sacra’s original research report disclosed that Customer.io had reached USD 50 million ARR, growing 35% year over year. (translated source brief)
- 2023-05-08 · $50M (ARR) · https://www.arr.club/customer-io/customer-io-reaches-50m-arr
  > On 2023/5/8, ARR Club reported that Customer.io disclosed annual recurring revenue (ARR) of USD 50 million in the AI Sales & Marketing sector. (translated source brief)
- 2022-01-18 · $25M (ARR) · https://www.arr.club/customer-io/customer-io-reaches-25m-arr
  > On 2022/1/18, ARR Club reported that US customer messaging automation platform Customer.io had disclosed USD 25 million in annual recurring revenue. It continued expanding its customer base in SaaS user engagement tools, with ARR growing steadily from USD 20 million a year earlier. (translated source brief)
- 2021-05-20 · $20M (ARR) · https://sacra.com/research/customer-io-the-hubspot-of-product-led-growth/
  > On 2021/5/20, Sacra published research based on company data, saying Customer.io had approximately USD 1.67 million monthly recurring revenue and approximately USD 20 million annual recurring revenue as of 2021/3. Its later 2021 equity crowdfunding materials confirmed it crossed the milestone in month 3. (translated source brief)
- 2021-01-19 · $20M (ARR) · https://customer.io/learn/announcements/customerio-crossed-100m-note-from-ceo
  > On 2021/1/19, Customer.io reported that Customer.io disclosed annual recurring revenue (ARR) of USD 20 million in the AI Sales & Marketing sector. (translated source brief)

## Team

- [Colin Nederkoorn](/people/colin-nederkoorn)

## Products

- [Customer.io](/products/customerio)

## Investors

No published investors profiles are linked yet.

## Sources

- No source links are available for this profile.