List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Corporativo Kosmos, INCO and Kin + Carta. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1M - $10M
534
$25M - $50M
534
$5.7M
$100M - $250M
534
$1B - $10B
534
$1M - $10M
534
$50M - $100M
534
$625M
$100M - $250M
534
$217M
$100M - $250M
534
$10M - $25M
534
$500M - $1B
533
$500M - $1B
533
$1B - $10B
533
$25M - $50M
533
$10M - $25M
533
$5.1B
$1B - $10B
532
$25M - $50M
532
$50M - $100M
532
$192M
$50M - $100M
532
$1M - $10M
531
$225M
$100M - $250M
531
$101M
$50M - $100M
531
$56M
$250M - $500M
531
$50M - $100M
531
$5M
$100M - $250M
531
$150M
$50M - $100M
531
$27M
$25M - $50M
531
$500M - $1B
531
$131M
$25M - $50M
531
$609M
$25M - $50M
530
$1B - $10B
530
$21M
$250M - $500M
530
$418M
$500M - $1B
530
$21M
$100M - $250M
530
$250M - $500M
530
$120M
$100M - $250M
530
$414M
$250M - $500M
530
$250M - $500M
530
$10M - $25M
530
$50M - $100M
529
$250M - $500M
529
$250M - $500M
529
$120M
$250M - $500M
528
$100M - $250M
528
$5.8M
$250M - $500M
528
$50M - $100M
528
$500M - $1B
528
$131M
$100M - $250M
528
$50M - $100M
527
$1B - $10B
527
$1B - $10B
527
$100M - $250M
527
$274M
$100M - $250M
527
$100M - $250M
527
$25M - $50M
527
$25M - $50M
527
$250M - $500M
526
$50M - $100M
526
$250M - $500M
526
$1B - $10B
526
$500M - $1B
526
$500M - $1B
526
$169M
$100M - $250M
525
$181M
$25M - $50M
525
$250M - $500M
525
$25M - $50M
525
$202M
$100M - $250M
524
$100M - $250M
524
$12M
$500M - $1B
524
$2.4M
$50M - $100M
524
$103K
$250M - $500M
524
$1B - $10B
524
$92M
$25M - $50M
524
$500M - $1B
523
$100M - $250M
523
$50M - $100M
523
$500M - $1B
523
$10M - $25M
523
$346M
$100M - $250M
523
$54M
$50M - $100M
523
$632M
$500M - $1B
523
$30M
$1B - $10B
523
$25M - $50M
523
$3.1M
$25M - $50M
523
$500M - $1B
522
<$1M
522
$743M
$250M - $500M
522
$25M - $50M
522
$16K
$500M - $1B
522
$10M - $25M
522
$813M
$100M - $250M
522
$62M
$1B - $10B
522
$849M
$25M - $50M
522
$100M - $250M
522
$782M
$50M - $100M
522
$25M - $50M
522
$100M - $250M
521
$100M - $250M
521
$250M - $500M
521
$301M
$250M - $500M
521
$100M - $250M
521
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 Corporativo Kosmos, INCO and Kin + Carta.
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
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