Who uses CircleCI?
Continuous integration and delivery platform with AI-assisted flaky-test fixes and pipeline maintenance.
On usedby, 87 companies use CircleCI, including Eventbrite, Axios, and Greenhouse. 66 of them are confirmed by a published case study, quote or press release. 1 of them declared it to usedby itself. The largest group: DevTools & Infrastructure companies with 201 to 1,000 employees (4 companies). Every company links to the public page that names it.
87 companies, each with its public proof
Strongest proof first. Open a company to see the page that names it, and when we captured it.
ConfirmedEventbriteMarketing Tech
ConfirmedAxiosMedia & Publishing
ConfirmedGreenhouseHR & Recruiting
ConfirmedOutreachSales Tech & CRM
ConfirmedProcoreConstruction- Confirmed17LIVE
ConfirmedAdwerx- ConfirmedANA Systems
ConfirmedAvvir
ConfirmedBranchMarketing Tech
ConfirmedBrandfolder
ConfirmedBRIKL- ConfirmedCinnamon AI
ConfirmedCity Hive
ConfirmedCity of San DiegoGovernment & GovTech
What customers say CircleCI changed
Figures and quotes as CircleCI and its customers published them, each tied to its source. We quote, we do not measure the result.
“With CircleCI, there’s so much information… but it’s easy to read and very accessible to any of our engineers.”
Tarun SinghSenior Software Engineer on Wave’s DevOps team, Wave“Everything we build and deploy is created with CircleCI – and it’s helping us build more models and machine learning applications.”
Xavier Portilla EdoInfrastructure Team Lead at Voiceflow, Voiceflow“CircleCI allows us to easily and quickly get projects onboarded and connect them with other parts of the tech stack.”
Ahmad FikriHead of Platform at Tunaiku, Tunaiku
Travelex
Toss
Tessian
SevenRooms- More stories
Read how SaleCycle uses CircleCI
Read how Tanda uses CircleCI
Read how Stack Builders uses CircleCI
Read how SolarWinds uses CircleCI
Read how Snyk uses CircleCI
Is CircleCI used in companies like yours?
By industry
16 industries among 87 customers. Of the 26 with a known size, 58% have 201 to 1,000 employees.
- DevTools & Infrastructure
10 - Artificial Intelligence
4 - HR & Recruiting
3 - IT Services & System Integration
3 - Marketing Tech
3 - Media & Publishing
3 - Construction
2 - Cybersecurity
2 - EdTech & E-learning
2 - Fintech & Payments
2 - Marketplace
2 - Sales Tech & CRM
2 - E-commerce & D2C
1 - Government & GovTech1
- Restaurants & Food Services1
- Travel & Hospitality
1
By industry and company size
| Industry | Customers | ≤ 200 | 201–1,000 | > 1,000 | Unknown |
|---|---|---|---|---|---|
| DevTools & Infrastructure | 10 | 1 | 4 | 1 | 4 |
| Artificial Intelligence | 4 | 2 | 1 | 0 | 1 |
| HR & Recruiting | 3 | 0 | 1 | 0 | 2 |
| IT Services & System Integration | 3 | 0 | 0 | 2 | 1 |
| Marketing Tech | 3 | 0 | 3 | 0 | 0 |
| Media & Publishing | 3 | 0 | 2 | 0 | 1 |
Employees per company. Every proof level counts, job posts included. A company with no stored size gets its own column, never counted as small.
Which DevOps, SRE & incidents tools companies use, by industry: DevTools & Infrastructure · Artificial Intelligence · Media & Publishing · Fintech & Payments
What CircleCI does, and what to check
What CircleCI does
Continuous integration and delivery platform with AI-assisted flaky-test fixes and pipeline maintenance.
Written by usedby from circleci.com.
Security
- FedRAMP Tailored
- SOC 2 Type II
Pricing and terms
- Pricing
- Free: $0 /month; Performance: from $15 /month; Scale: contact sales
- Your data
- Chunk and Chunk sidecars · CircleCI’s AI providers do not train on inputs. A customer-supplied AI provider applies its own privacy policy.
- Free trial
- Free trial or free plan available.
Read on circleci.com, checked Nov 13, 2026
Questions to ask in your demo
- Which of your customers look like us, by industry and size?
- What does a pilot cost, and what decides the move to a full contract?
- Where is our data stored, who can access it, and is it used to train models?
- How does CircleCI work with the tools we already use?
CircleCI alternatives, by public customers
Same or competing category, from another vendor. Every proof level counts. A shared category alone does not establish the same functions or suitability for your task.
- CircleCIThis toolReference
New Relic0 shared with CircleCI0 sharedWho uses New Relic →
Sentry2 shared with CircleCI2 sharedCircleCI vs Sentry →
Datadog2 shared with CircleCI2 sharedCircleCI vs Datadog →
incident.ioIncident management platform with on-call, status pages and AI agents that investigate root causes.4 shared with CircleCI4 sharedCircleCI vs incident.io →
HarnessAI software delivery platform with agents for CI/CD pipelines, security testing, runtime protection and cloud cost.0 shared with CircleCI0 sharedWho uses Harness →
Often used with CircleCI
Other categories found at the same companies. All proof levels are included, including job-post signals. This does not establish an integration or joint use.
Questions about CircleCI
Who uses CircleCI?
87 companies use CircleCI (66 confirmed, 1 declared, 20 observed), including Eventbrite, Axios, and Greenhouse.
What results do companies report with CircleCI?
Companies that use CircleCI report these results in public case studies. Tunaiku: They now spend less than 10 minutes per week on DevOps management (source: circleci.com, checked November 13, 2026). Since using CircleCI, Travelex has been able to save roughly £300,000 in the last five years (source: circleci.com, checked November 13, 2026). Toss: With CircleCI our testing and deployments are running at about two minutes (source: circleci.com, checked November 13, 2026).
How much does CircleCI cost?
CircleCI lists these prices on its own website:
- Free: $0
- Performance: $15 per month
- Scale: price on request
Source: circleci.com, checked November 13, 2026.
Is CircleCI SOC 2 compliant?
CircleCI states on its own website that it holds FedRAMP Tailored and SOC 2 Type II. Source: circleci.com, checked November 13, 2026.
Does CircleCI have a free trial?
CircleCI states on its own website that a free trial or a free plan is available. Source: circleci.com, checked November 13, 2026.
Which industries use CircleCI?
The industries with the most CircleCI customers are DevTools & Infrastructure (10), Artificial Intelligence (4), and HR & Recruiting (3).
What are the alternatives to CircleCI?
Ranked by public customers (every proof level counts, job posts included), the top CircleCI alternatives are New Relic (79 customers, 0 shared), Sentry (61 customers, 2 shared), Datadog (60 customers, 2 shared), and incident.io (49 customers, 4 shared). See all CircleCI alternatives.
How does usedby know who uses CircleCI, and how current is it?
Each company here links to a public page that names it as a CircleCI customer, and each line shows its proof level. A company that declared CircleCI itself is marked Declared. The latest check ran on November 13, 2026. How usedby collects and checks its data.
Where this data comes from
Three proof levels
Main sources
- circleci.com/customersNov 13, 2026
- circleci.comNov 13, 2026
- circleci.com/enterpriseNov 13, 2026
- 67 case studies, quotes and press releasesNov 13, 2026
- 1 customer declared it itself
Cite this page
UsedBy.ai (2026). Who uses CircleCI? 87 companies. Retrieved from https://www.usedby.ai/tools/circleci, latest check November 13, 2026.