List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including LVI Associates, Phorest Software and Quartile. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$250M - $500M
521
$37M
$100M - $250M
521
$100M - $250M
521
$1M - $10M
520
$10M - $25M
520
$10M - $25M
520
$358M
$250M - $500M
520
$100M - $250M
520
$500M - $1B
520
$378M
$100M - $250M
520
$100M - $250M
519
$50M - $100M
519
$32M
$50M - $100M
519
$12M
$50M - $100M
519
$100M - $250M
519
$250M - $500M
519
$250M - $500M
519
$25M - $50M
519
$45M
$250M - $500M
518
$500M - $1B
518
$211M
$50M - $100M
518
$500M - $1B
518
$1B - $10B
518
$71M
$250M - $500M
518
$360K
$100M - $250M
518
$1M - $10M
518
$89M
$100M - $250M
518
$373M
$100M - $250M
518
$839M
$25M - $50M
517
$100M - $250M
517
$250M - $500M
517
$100M - $250M
517
$102M
$50M - $100M
517
$100M - $250M
517
$50M - $100M
517
$78M
$50M - $100M
517
$10M - $25M
517
$50M - $100M
516
$57M
$100M - $250M
516
$100M - $250M
516
$250M - $500M
516
$875M
$25M - $50M
516
$463M
$100M - $250M
516
$25M - $50M
516
$55M
$100M - $250M
516
$70M
$1B - $10B
516
$100M - $250M
516
$100M - $250M
515
$667M
$100M - $250M
515
$500M - $1B
515
$527M
$100M - $250M
515
$250M - $500M
515
$2.3M
$500M - $1B
515
$10M - $25M
515
$250M - $500M
515
$100M - $250M
514
$250M - $500M
514
$25M - $50M
514
$375M
$100M - $250M
514
$100M - $250M
514
$50M - $100M
514
$25M - $50M
514
$191M
$100M - $250M
513
$102M
$100M - $250M
513
$250M - $500M
513
$1.3M
$25M - $50M
513
$100M - $250M
513
$100M - $250M
513
$100M - $250M
513
$500M - $1B
513
$250M - $500M
513
$5.3M
$10M - $25M
512
$1B - $10B
512
$250M - $500M
512
$50M - $100M
512
$500M - $1B
512
$500M - $1B
512
$432M
$500M - $1B
512
$1B - $10B
512
$1B - $10B
512
$100M - $250M
512
$423M
$250M - $500M
512
$1M - $10M
512
$100M - $250M
512
$100K
$500M - $1B
512
$100M - $250M
512
$1B - $10B
511
$100M - $250M
511
$394M
$500M - $1B
511
$10M - $25M
511
$329M
$250M - $500M
510
$100M - $250M
510
$250M - $500M
510
$25M - $50M
510
$23M
$500M - $1B
510
$10M - $25M
510
$128M
$100M - $250M
509
$50M - $100M
509
$100M - $250M
509
$69M
$1B - $10B
509
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 LVI Associates, Phorest Software and Quartile.
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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