List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including Rocket Lawyer, Light & Wonder - iGaming and NCC – Innovating for Industry. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$292M
$50M - $100M
490
$10M - $25M
489
$10M - $25M
489
$722M
$250M - $500M
489
$500M - $1B
488
$1B - $10B
487
$149M
$50M - $100M
487
$50M - $100M
487
$10M - $25M
487
$212M
$250M - $500M
487
$188M
$250M - $500M
487
$1.3B
$250M - $500M
486
$1B - $10B
486
$8.4M
$25M - $50M
486
$123M
$1B - $10B
486
$250M - $500M
485
$593M
$50M - $100M
485
$100M - $250M
485
$100M - $250M
485
$50M - $100M
484
$250M - $500M
484
$500M - $1B
484
$250M - $500M
484
$547M
$100M - $250M
484
$250M - $500M
484
$100M - $250M
484
$100M - $250M
483
$309M
$500M - $1B
483
$75M
$100M - $250M
483
$25M - $50M
483
$50M - $100M
482
$10M - $25M
482
$242M
$25M - $50M
482
$500M - $1B
482
$1.8B
$500M - $1B
482
$50M - $100M
482
$105M
$100M - $250M
482
$250M - $500M
482
$189M
$100M - $250M
481
$250M - $500M
480
$25M - $50M
479
$500M - $1B
479
$136M
$50M - $100M
478
$25M - $50M
478
$122M
$250M - $500M
478
$15M
$50M - $100M
477
$10M - $25M
477
$250M - $500M
477
$52M
$50M - $100M
476
$377M
$1B - $10B
476
$1M - $10M
476
$1B - $10B
476
$500M - $1B
476
$190M
$100M - $250M
475
$25M - $50M
474
$250M - $500M
473
$250M - $500M
473
$159M
$100M - $250M
472
$250M - $500M
472
$500M - $1B
472
$107M
$250M - $500M
472
$1.1B
$100M - $250M
471
$65M
$100M - $250M
471
$100M - $250M
471
$77M
$100M - $250M
471
$324M
$500M - $1B
470
$250M - $500M
470
$25M - $50M
470
$50M - $100M
469
$25M - $50M
469
$100M - $250M
469
$2M
$10M - $25M
469
$1.7B
$100M - $250M
469
$62M
$250M - $500M
469
$1M - $10M
469
$50M - $100M
468
$289M
$500M - $1B
468
$100M - $250M
468
$25M - $50M
467
$250M - $500M
466
$25M - $50M
466
$100M - $250M
466
$100M - $250M
466
$26M
$50M - $100M
465
$58M
$25M - $50M
465
$10M
$1M - $10M
464
$641M
$500M - $1B
464
$25M
$100M - $250M
464
$173M
$50M - $100M
464
$500M - $1B
463
$2.9B
$100M - $250M
463
$25M - $50M
462
$50M - $100M
462
$100M - $250M
460
$100M - $250M
460
$250M - $500M
460
$50M - $100M
460
$8.8M
<$1M
460
$1B - $10B
460
$100M - $250M
460
About companies using CircleCI
Why target companies using CircleCI?
CircleCI is a DevOps & observability technology. These are the tools engineering teams build, ship and monitor with, and their users are buyers of developer tools, infrastructure and services. Companies on the list include Rocket Lawyer, Light & Wonder - iGaming and NCC – Innovating for Industry.
Which industries use CircleCI the most?
Among companies using CircleCI on LeadIQ, the most common industries are Software Development, IT Services and IT Consulting, Financial Services, Technology, Information and Internet, Insurance and Hospitals and Health Care. Narrow your list to the industry you sell into from there.
Where are companies using CircleCI located?
Companies using CircleCI are most often headquartered in the United States, the United Kingdom, Canada, France, India and Germany.
What other DevOps & observability technologies do companies use?
Prospecting the wider DevOps & observability space? Related technologies with their own company lists include GitHub, New Relic, Docker and Kubernetes.
How do I reach decision makers at companies using CircleCI?
Open a company to see its employee directory and email format, then use LeadIQ to get verified work emails and phone numbers for the people you want to reach and push them straight to your CRM or sequencer.
Insights based on LeadIQ data refreshed in September 2026.
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Search by Technology
Top companies by employee count
Top companies in United States by employee countTop companies in United Kingdom by employee countTop companies in Canada by employee countTop companies in Germany by employee countTop companies in France by employee countTop companies in Australia by employee countTop companies in Netherlands by employee countTop companies in India by employee countTop companies in Spain by employee countTop companies in Switzerland by employee countTop companies in Sweden by employee countTop companies in Italy by employee countTop companies in Denmark by employee countTop companies in Brazil by employee countTop companies in Ireland by employee count
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