Customer.io's website preview

Well Run profileThe Chase Pack · #400 of 720

Position 400

Customer.io

Messaging automation that sends email, push, SMS and in-app messages based on product data

Pace
5:20/kmSteady3.0
Distance
Distance Half.
Open ops roles
3
Last week
#343
Move
▼ 57
Peak
#343
Weeks in the 100
0
The Chart →
Rank and score over time
Board rank
#333#366#399#343Oct 18#389Oct 25
Pace score
02463Oct 183Oct 25

One point per Sunday re-rank, tracking since Oct 18. The lines fill in week by week.

Customer.io runs in the Steady lane (5:20/km): 34 of 196. Further right = more momentum. No competitors on the board yet, so it runs alone.
Founded
2012
HQ
Portland, OR

Leadership

The problem

Marketing and product teams need personalized lifecycle messages triggered by what users do, without engineering help

What they do

Messaging automation that sends email, push, SMS and in-app messages based on product data

Traction Crossed $100M ARR Sep 2025 (8,000+ customers); 40% YoY growth per Aug 2026 company post

Hiring trend

Open roles
25
Ops roles
3
Headcount
~360-440 (sources differ)

Headcount 360+ (Aug 2026), up from ~250 in 2024; LinkedIn data shows +20% YoY; 30 open roles, all remote

Hiring in

  • Remote (Europe)
  • Remote (APAC)

Funding

Last round
$29.9M (reported; Getlatka says $35M)
Stage
Series A (growth equity)
Date
Mar 2022

Led by Spectrum Equity

Distance

Half · edge: hard to leave

A strong player in lifecycle messaging with broad adoption and profitable 40% growth at $100M+ ARR, though Braze and Klaviyo are bigger.

Sources: Customer.io CEO note: crossed $100M ARR Sep 2025, 8,000+ companies, 64B messages a year ↗ · Customer.io on LinkedIn, Aug 2026: 360+ employees, 40% YoY growth ↗ · Customer.io, Mar 2022: profitable, $29.9M ARR, Spectrum Equity round ↗

Last checked Oct 25, 2026

Funding history

  1. Mar 2022Series ALed by Spectrum Equity globenewswire.com ↗
  2. Aug 2021Equity crowdfunding (Republic)$5Msacra.com ↗

Profile facts checked Oct 19, 2026. Every fact links to its public source.

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