List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including Influential Software, Ionic: An OutSystems Company and Knock® CRM. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1M - $10M
46
$25M
$25M - $50M
46
$47M
$25M - $50M
46
$10M - $25M
46
$48M
$10M - $25M
46
$10M - $25M
46
$10M - $25M
46
$1M - $10M
46
$25M - $50M
46
$3.6M
$25M - $50M
46
$10M - $25M
46
$10M - $25M
46
$52M
$10M - $25M
46
$10M - $25M
46
$500M - $1B
46
$10M - $25M
46
$500M - $1B
46
$25M - $50M
46
$62M
$25M - $50M
46
$11M
$10M - $25M
46
$25M - $50M
46
$22M
$1M - $10M
46
$1.4M
$1M - $10M
45
$10M - $25M
45
$25M - $50M
45
$15M
$25M - $50M
45
$50M - $100M
45
$10M - $25M
45
$25M - $50M
45
$25M - $50M
45
$50M
$25M - $50M
45
$100M - $250M
45
$10M - $25M
45
$10M - $25M
45
<$1M
45
<$1M
45
$25M - $50M
45
$10M - $25M
45
$65M
$1M - $10M
45
$100M - $250M
45
$7.5M
$25M - $50M
45
$1M - $10M
45
$25M - $50M
45
$1M - $10M
45
$50M - $100M
45
$10M - $25M
45
$46M
$50M - $100M
45
$32M
$10M - $25M
45
$224M
$25M - $50M
45
$500M - $1B
45
$1M - $10M
45
$12M
$25M - $50M
45
$50M - $100M
45
$33M
$1M - $10M
44
$1B - $10B
44
$82M
$10M - $25M
44
$135M
$25M - $50M
44
$1M - $10M
44
$94M
$25M - $50M
44
$25M - $50M
44
$25M - $50M
44
$50M - $100M
44
$10M - $25M
44
$25M - $50M
44
$25M - $50M
44
$1M - $10M
44
$25M - $50M
44
$10M - $25M
44
$6M
$10M - $25M
44
<$1M
44
$2M
$1M - $10M
44
$1M - $10M
44
$6.8M
$10M - $25M
44
$4.2M
$10M - $25M
44
$10M
$100M - $250M
44
$50M - $100M
44
$10M - $25M
44
$50M - $100M
44
$8.5M
$10M - $25M
44
$1M - $10M
44
$10M - $25M
44
$10M - $25M
43
$1M - $10M
43
$1.9M
$25M - $50M
43
$1M - $10M
43
$25M - $50M
43
$53M
$50M - $100M
43
$5M
$25M - $50M
43
$25M - $50M
43
$3.8M
$1M - $10M
43
$25M - $50M
43
$48M
$25M - $50M
43
$23M
$50M - $100M
43
$52M
$10M - $25M
43
$39M
$10M - $25M
43
$100M - $250M
43
$50M - $100M
43
$1M - $10M
43
$116M
$10M - $25M
43
$25M - $50M
43
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 Influential Software, Ionic: An OutSystems Company and Knock® CRM.
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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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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