# CircleCI

> CircleCI is a continuous integration and continuous delivery (CI/CD) platform that automates the build, test, and deployment of software. Founded in San Francisco in 2011, it runs tens of millions of workflows for engineering teams who want faster, more reliable pipelines without maintaining their own build infrastructure. It does not host code or track tickets - it focuses on being a fast, dependable runner of builds and, increasingly, on validating AI-generated code at scale.

- **Founded:** 2011
- **Headquarters:** San Francisco, California, United States
- **Founders:** Paul Biggar (Co-founder), Allen Rohner (Co-founder)
- **Team size:** ~400 employees, distributed across roughly 8 countries
- **Products:** CircleCI Cloud, Self-hosted runners, Orbs, Intelligent test splitting, CircleCI Server
- **Notable:** Raised $315M in venture funding, reaching a $1.7B valuation by 2021., One of the longest-running independent CI/CD platforms, founded in 2011., Publishes the annual State of Software Delivery report, now in its seventh edition (2026), analyzing 28M+ workflows.

## Products & services

- **CircleCI Cloud** — Hosted CI/CD platform that builds, tests, and deploys code triggered by commits and pull requests, with config defined as code.
- **Self-hosted runners** — Run CircleCI jobs on your own infrastructure for teams with security, compliance, or custom hardware needs.
- **Orbs** — Reusable, shareable packages of CircleCI configuration for common integrations and workflows.
- **Intelligent test splitting** — Machine-learning-driven test parallelization that can reduce test cycle times by up to 75%.
- **CircleCI Server** — Self-managed, on-premise installation of CircleCI for enterprises requiring full control.

## Achievements

- Raised $315M in venture funding, reaching a $1.7B valuation by 2021.
- One of the longest-running independent CI/CD platforms, founded in 2011.
- Publishes the annual State of Software Delivery report, now in its seventh edition (2026), analyzing 28M+ workflows.
- Powers CI/CD for well-known engineering organizations across consumer, fintech, and enterprise software.

## Latest updates

- **2026-02** — Published the 2026 State of Software Delivery report, analyzing 28M+ CI workflows and reporting a 59% year-over-year jump in developer throughput driven by AI.
- **2026-01** — Positioned around 'autonomous validation for the AI era' - validating AI-generated and agent-driven code at scale.
- **2025** — Intelligent test splitting (up to 75% faster test cycles) entered Beta; Gen2 Linux VM Remote Docker resource classes reached general availability.
- **2023-12** — Co-founder Paul Biggar removed from the CircleCI board.

## Links

- Website: https://circleci.com
- LinkedIn: https://www.linkedin.com/company/circleci
- Twitter/X: https://twitter.com/circleci
- GitHub: https://github.com/CircleCI-Public
- YouTube: https://www.youtube.com/c/circleci
- Facebook: https://www.facebook.com/circletest

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Profile page: https://yespress.io/circleci
Published by YesPress — https://yespress.io
Last updated: 2026-07-13