List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including 3Play Media, Acorns and BuildOps. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1M
$250M - $500M
599
$510M
$500M - $1B
599
$226M
$250M - $500M
599
$37M
$250M - $500M
599
$1.6B
$250M - $500M
599
$50M - $100M
599
$2.4M
$500M - $1B
599
$252M
$100M - $250M
599
$20M
$250M - $500M
599
$100M - $250M
599
$46M
$100M - $250M
598
$500M
$1B - $10B
598
$250M - $500M
598
$500M - $1B
598
$1M - $10M
598
$250M - $500M
597
$1M - $10M
596
$181M
$500M - $1B
596
$415M
$500M - $1B
596
$250M - $500M
596
$100M - $250M
596
$64M
$100M - $250M
596
$100M - $250M
596
$34M
$250M - $500M
595
$500M - $1B
595
$250K
$100M - $250M
595
$50M - $100M
595
$100M - $250M
595
$1B - $10B
594
$880M
$25M - $50M
594
$540M
$500M - $1B
594
$25M - $50M
594
$250M - $500M
594
$62M
$1B - $10B
594
$4.5B
$250M - $500M
594
$10M - $25M
593
$235M
$500M - $1B
593
$138M
$250M - $500M
593
$67M
$10M - $25M
593
$887M
$50M - $100M
592
$233M
$250M - $500M
592
$10M - $25M
592
$1.5B
$1B - $10B
592
$1B - $10B
592
$698M
$50M - $100M
592
$92M
$100M - $250M
592
$75M
$100M - $250M
592
$902M
$250M - $500M
592
$292M
$100M - $250M
592
$100M - $250M
591
$50M - $100M
591
$100M - $250M
591
$292M
$250M - $500M
591
$10M - $25M
591
$568M
$1B - $10B
590
$100M
$250M - $500M
590
$5.4M
$25M - $50M
590
$250M - $500M
590
$166M
$500M - $1B
590
$650K
$500M - $1B
590
$100M - $250M
590
$23M
$500M - $1B
590
$25M - $50M
589
$500M - $1B
589
$50M - $100M
589
$50M - $100M
589
$10M - $25M
589
$30M
$25M - $50M
589
$250M - $500M
588
$250M - $500M
588
$10M - $25M
588
$250M - $500M
588
$10M - $25M
588
$10M - $25M
588
$25M - $50M
588
$25M - $50M
588
$500M - $1B
587
$16M
$1B - $10B
587
$10M
$100M - $250M
587
$500M - $1B
587
$25M - $50M
587
$50M - $100M
587
$118M
$100M - $250M
587
$453M
$250M - $500M
587
$250M - $500M
587
$500M - $1B
586
$1M - $10M
586
$100M - $250M
586
$297M
$250M - $500M
586
$770M
$500M - $1B
586
$50M - $100M
586
$250M - $500M
586
$25M - $50M
586
$250M - $500M
585
$100M - $250M
585
$306M
$500M - $1B
585
$100M - $250M
585
$1.5B
$100M - $250M
585
$69M
$100M - $250M
584
$250M - $500M
584
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 3Play Media, Acorns and BuildOps.
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.
Search by Industry
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Top companies by employee count
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