List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including ADESA, Capsule and Protiviti Middle East Member Firm. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$250M - $500M
854
$570M
$250M - $500M
854
$50M - $100M
854
$250M - $500M
854
$250M - $500M
853
$102M
$100M - $250M
853
$50M - $100M
852
$41M
$100M - $250M
852
$537M
$100M - $250M
852
$63M
$1B - $10B
852
$529M
$25M - $50M
851
$250M - $500M
851
$500M - $1B
851
$1M - $10M
850
$100M - $250M
850
$428M
$250M - $500M
849
$50M - $100M
849
$1B - $10B
849
$100M - $250M
849
$500M - $1B
848
$2.2M
$500M - $1B
848
$100M - $250M
847
$928M
$1B - $10B
847
$75M
$250M - $500M
847
$100M - $250M
847
$250M - $500M
847
$975M
$500M - $1B
847
$321M
$500M - $1B
846
$100M - $250M
845
$500M - $1B
845
$3.1M
$25M - $50M
844
$50M - $100M
844
$50M - $100M
844
$100M - $250M
844
$1B - $10B
842
$500M - $1B
842
$510M
$500M - $1B
842
$100M - $250M
842
$46M
$500M - $1B
841
$360M
$250M - $500M
841
$283K
$100M - $250M
841
$1.4M
$250M - $500M
841
$50M - $100M
841
$500M - $1B
841
$25M - $50M
841
$10M - $25M
841
$1B - $10B
840
$1M - $10M
840
$500M - $1B
840
$186M
$500M - $1B
840
$100M - $250M
840
$50M - $100M
839
$125M
$500M - $1B
839
$100M - $250M
839
$500M - $1B
838
$50M - $100M
838
$1B - $10B
838
$100M - $250M
838
$1M - $10M
838
$358M
$100M - $250M
837
$250M - $500M
837
$50M - $100M
837
$25M - $50M
837
$500M - $1B
835
$100M - $250M
835
$100M - $250M
835
$1M - $10M
835
$340M
$250M - $500M
835
$905M
$250M - $500M
835
$73M
$25M - $50M
834
$164M
$50M - $100M
834
$136M
$100M - $250M
834
$5.4M
$100M - $250M
834
$12M
$25M - $50M
834
$100M - $250M
833
$500M - $1B
832
$50M - $100M
832
$53M
$1B - $10B
832
$250M - $500M
831
$1B - $10B
831
$500M - $1B
831
$39M
$25M - $50M
830
$1B - $10B
830
$236M
$10M - $25M
830
$25M - $50M
828
$25M - $50M
828
$250M - $500M
827
$250M - $500M
827
$100M - $250M
827
$100M - $250M
826
$5M
$1B - $10B
825
$100M - $250M
825
$1M - $10M
825
$252M
$50M - $100M
824
$250M - $500M
824
$500M - $1B
824
$500M - $1B
823
$250M - $500M
823
$500M - $1B
823
$595M
$100M - $250M
823
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 ADESA, Capsule and Protiviti Middle East Member Firm.
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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