List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Quickbase, Chainalysis and Fullscript. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$90M
$1B - $10B
806
$537M
$250M - $500M
805
$267M
$100M - $250M
805
$100M - $250M
805
$25M - $50M
805
$250M - $500M
805
$100M - $250M
805
$1M - $10M
805
$1B - $10B
804
$461M
$250M - $500M
804
$1B - $10B
804
$680M
$250M - $500M
803
$25M - $50M
803
$250M - $500M
802
$303M
$250M - $500M
802
$25M - $50M
802
$1B - $10B
800
$2.7B
$500M - $1B
800
$577M
$100M - $250M
800
$500M - $1B
800
$25M - $50M
800
$1M - $10M
800
$500M - $1B
799
$25M - $50M
799
$500M - $1B
799
$25M - $50M
798
$500M - $1B
797
$1B - $10B
797
$250M - $500M
796
$9.7M
$1B - $10B
796
$264K
$500M - $1B
795
$250M - $500M
794
$100M - $250M
794
$22M
$10M - $25M
794
$305M
$100M - $250M
794
$725M
$250M - $500M
793
$500M - $1B
793
$50M - $100M
793
$336M
$250M - $500M
792
$112M
$1B - $10B
792
$61M
$250M - $500M
792
$10M - $25M
792
$50M - $100M
792
$1B - $10B
792
$250M
$100M - $250M
791
$31M
$1B - $10B
791
$27M
$100M - $250M
791
$1B - $10B
791
$80M
$250M - $500M
790
$500M - $1B
790
$1M - $10M
789
$50M - $100M
789
$350M
$1B - $10B
789
$250M - $500M
789
$479M
$250M - $500M
789
$100M - $250M
788
$500M - $1B
788
$10M - $25M
788
$50M - $100M
788
$1.7M
$500M - $1B
788
$100M
$1B - $10B
787
$10M - $25M
787
$100M - $250M
786
$252M
$100M - $250M
786
$100M - $250M
786
$100M - $250M
785
$449M
$500M - $1B
784
$250M - $500M
784
$1B - $10B
784
$500M - $1B
784
$500M - $1B
784
$248M
$100M - $250M
783
$1B - $10B
783
$9.4M
$25M - $50M
783
$186M
$1B - $10B
783
$500M - $1B
783
$100M - $250M
783
$1M - $10M
782
$10M - $25M
782
$250M - $500M
781
$100M - $250M
781
$24M
$25M - $50M
781
$25M - $50M
781
$1B - $10B
781
$345M
$250M - $500M
781
$422M
$1B - $10B
780
$58M
$50M - $100M
780
$10M
$25M - $50M
780
$100M - $250M
780
$25M - $50M
779
$448M
$500M - $1B
779
$10M - $25M
779
$117M
$250M - $500M
779
$1B - $10B
778
$715M
$250M - $500M
778
$10M - $25M
778
$500M - $1B
777
$397M
$500M - $1B
777
$100M - $250M
777
$25M - $50M
777
About companies using Slack
Why target companies using Slack?
Slack is a Collaboration & productivity technology. The office suite, chat and project tools a company standardizes on decide which integrations and add-ons fit. Companies on the list include Quickbase, Chainalysis and Fullscript.
Which industries use Slack the most?
Among companies using Slack on LeadIQ, the most common industries are Software Development, IT Services and IT Consulting, Financial Services, Technology, Information and Internet, Advertising Services and Higher Education. Narrow your list to the industry you sell into from there.
Where are companies using Slack located?
Companies using Slack are most often headquartered in the United States, the United Kingdom, Canada, France, Germany and Australia.
What other Collaboration & productivity technologies do companies use?
Prospecting the wider Collaboration & productivity space? Related technologies with their own company lists include Microsoft 365, Google Workspace, Microsoft SharePoint and Microsoft Teams.
How do I reach decision makers at companies using Slack?
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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