List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Unzer, Awardco and CBRE Canada. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$50M - $100M
680
$235M
$250M - $500M
679
$100M - $250M
679
$25M - $50M
679
$25M - $50M
679
$100M - $250M
679
$59M
$100M - $250M
678
$145M
$250M - $500M
678
$10M - $25M
678
$1B - $10B
678
$150M
$1B - $10B
678
$217M
$100M - $250M
678
$624M
$500M - $1B
677
$6.3M
$100M - $250M
676
$50M - $100M
676
$498K
$100M - $250M
676
$35M
$500M - $1B
676
$100M - $250M
676
$56M
$1M - $10M
675
$250M - $500M
675
$132M
$1M - $10M
675
$153M
$100M - $250M
675
$2.7B
$250M - $500M
675
$43K
$100M - $250M
675
$250M - $500M
675
$75M
$50M - $100M
675
$10M - $25M
674
$250M - $500M
674
$50M - $100M
674
$133M
$50M - $100M
674
$50M - $100M
674
$250M - $500M
674
$100M - $250M
674
$170M
$500M - $1B
674
$10M - $25M
673
$50M - $100M
673
$250M - $500M
673
$25M - $50M
673
$1B - $10B
672
$557M
$250M - $500M
672
$48M
$500M - $1B
672
$257M
$500M - $1B
672
$100M - $250M
672
$250M - $500M
672
$100M - $250M
672
$100M - $250M
672
$57M
$500M - $1B
672
$250M - $500M
672
$61M
$1B - $10B
671
$455M
$250M - $500M
671
$1B - $10B
671
$100M - $250M
671
$2.8B
$250M - $500M
671
$100M - $250M
671
$101M
$1B - $10B
671
$220M
$500M - $1B
671
$500M - $1B
671
$100M - $250M
671
$500M - $1B
670
$250M - $500M
670
$95M
$500M - $1B
670
$1.1B
$250M - $500M
670
$1B - $10B
669
$438M
$500M - $1B
669
$104M
$100M - $250M
669
$1M - $10M
669
$435M
$500M - $1B
668
$10M - $25M
668
$1M - $10M
668
$100M - $250M
668
$500M - $1B
668
$250M - $500M
668
$50M - $100M
667
$250M - $500M
667
$50M - $100M
667
$187M
$25M - $50M
667
$112M
$250M - $500M
667
$50M - $100M
667
$25M - $50M
666
$250M - $500M
666
$1B - $10B
666
$100M - $250M
666
$100M - $250M
666
$250M - $500M
665
$250M - $500M
665
$1M - $10M
665
$250M - $500M
665
$500M - $1B
665
$50M - $100M
664
$52M
$500M - $1B
664
$10M - $25M
664
$100M - $250M
664
$1B - $10B
663
$173M
$250M - $500M
663
$1.4B
<$1M
663
$50K
$1M - $10M
663
$161M
$250M - $500M
663
$500M - $1B
663
$137M
$250M - $500M
663
$50M - $100M
662
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 Unzer, Awardco and CBRE Canada.
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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