Leading companies rely on CircleCI to ship better code, faster.

See how companies use CircleCI to automate their development cycle so that they can focus on building better products. CircleCI is easy to integrate into your environment and scale with your growth.

90k+

20k+

45m+

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Thousands of companies trust CircleCI to automate their testing and development cycle.

Zenefits

GoPro

Docker

Facebook

Segment

Heroku

Percolate

Shopify

Kickstarter

Spotify

Nextdoor

Instacart

Shyp

One Kings Lane

Blue Apron

Sprig

Fanatics

Stitch Fix

Automattic

IFTTT

UserTesting

Udemy

Doximity

Harry's

Udacity

Indiegogo

Teespring

Bleacher Report

CyberAgent

Trunk Club

One Medical Group

UserVoice

Compose

Change.org

LittleBits Electronics

Cucumber

Coinbase

Kit Check

OrderUp

Vivid Cortex

Rollbar

Adam Haney

CTO at Bellhops

“Whether I'm consulting for other businesses or starting a new project myself CircleCI is always on my checklist for setting up the engineering team's testing infrastructure.”

Matt Kent

Head of Engineering at Sprig

“CircleCI is an excellent product and was the clear winner over the alternatives when I tried them all out: I was able to get a green build the fastest and hit the fewest bumps.”

Calvin-French Owen

CTO/Co-founder at Segment

“CircleCI has saved us a ton of time from maintaining our own CI, and we love the ability to both dynamically scale the number of containers and debug manually via SSH when first setting up a project. It's a great tool.”

John Duff

Director of Engineering at Shopify

“CircleCI lets us be more agile and ship product faster. We can focus on delivering value to our customer, not maintaining CI infrastructure.”

Arthur Neves

Developer at Shopify

“One of my favorite things about CircleCI is that their team really cares about making sure their customers get maximum value out of their product.”

Ian Lotinsky

CTO at LearnZillion

“CircleCI makes our products better by allowing us to spend more energy testing them and less time managing a home-grown testing infrastructure.”

Hemal Shah

Product Manager for Mobile Developer Tools at Fabric

“fastlane is built around the principle of continuous deployment. Having a partner like CircleCI that is consistent and reliable enables us to not only deliver the best value to our customers, but deliver it with total confidence.”

See how customers use CircleCI to build better applications

Johnny Sheeley of Fanatics

See how Fanatics replaced Jenkins with CircleCI Enterprise and 3X team efficiency

Tim Mertens of Avant

How Avant Runs 2.5 Million Daily Tests on CircleCI

Jason Garber of Promptworks

Why Promptworks uses CircleCI in building applications for remarkable companies.

Jason Bosco of Dollar Shave Club

See why Dollar Shave Club uses CircleCI for major feature launches.

Hemal Shah of Fabric

See why Fabric chose CircleCI to speed up their Mac build times.

Toshimasa Ishibashi of Kaizen Platform

See why Kaizen Platform implemented CircleCI to build out their continuous integration infrastructure.

Rob Witoff of Coinbase

See why CircleCI Enterprise meets all security and regulatory requirements for the world’s leading bitcoin company.

Baron Schwartz of VividCortex

See why VividCortex moved from Jenkins to CircleCI for easy, scalable Continuous Integration and Continuous Delivery.

Peter Tilsen of Uniplaces

Uniplaces provides full service support for students that want to find a new place to stay. See why Uniplaces chose to partner with CircleCI for simple and easy CI.