List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including TIMBER, WILLIAM S. MIDDLETON MEMORIAL VETERANS HOSPITAL and Wolters Kluwer Tax & Accounting Deutschland. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$25M - $50M
259
$10M - $25M
259
$25M - $50M
259
$10M - $25M
259
$152M
$50M - $100M
258
$100M - $250M
258
$100M - $250M
258
$875M
$100M - $250M
258
$779K
$100M - $250M
258
$100M - $250M
258
$27M
$1M - $10M
258
$1B - $10B
258
$100M - $250M
258
$100M - $250M
258
$130M
$100M - $250M
258
$50M - $100M
258
$1M - $10M
258
$25M - $50M
258
$59M
$100M - $250M
258
$10M - $25M
258
$87M
$100M - $250M
258
$250M - $500M
258
$1.4M
$100M - $250M
258
$1M - $10M
258
$250M - $500M
258
$50M - $100M
258
$100M - $250M
258
$500M - $1B
258
$132M
$1B - $10B
258
$250M - $500M
258
$50M - $100M
258
$12M
$10M - $25M
258
$50M - $100M
258
$250M - $500M
258
$37M
$1M - $10M
258
$28M
$100M - $250M
257
$500M - $1B
257
$250M - $500M
257
$25M - $50M
257
$250M - $500M
257
$50M
$50M - $100M
257
$133M
$50M - $100M
257
$100M - $250M
257
$25M - $50M
257
$100M - $250M
257
$250K
$50M - $100M
257
$125M
$100M - $250M
257
$77M
$500M - $1B
257
$25M
$50M - $100M
257
<$1M
257
$250M - $500M
257
$10M - $25M
257
$100M
$100M - $250M
257
$25M - $50M
257
$10M - $25M
257
$60M
$500M - $1B
257
$100M - $250M
257
$24M
$100M - $250M
257
$250M - $500M
257
$16M
$10M - $25M
257
$1M - $10M
256
$349M
$100M - $250M
256
$10M - $25M
256
$100M - $250M
256
$5M
$100M - $250M
256
$50M - $100M
256
$100M - $250M
256
$500M
$250M - $500M
256
$10K
$25M - $50M
256
$6.6M
$1B - $10B
256
$27M
$100M - $250M
256
$57M
$50M - $100M
256
$1.6M
$50M - $100M
256
$10M - $25M
256
$1M - $10M
256
$250M - $500M
256
$50M - $100M
256
$105M
$100M - $250M
256
$250M - $500M
256
$100M
$25M - $50M
256
$72M
$25M - $50M
256
$100M - $250M
256
$50M - $100M
256
$100M - $250M
256
$100M - $250M
256
$50M - $100M
255
$250M - $500M
255
$20M
$25M - $50M
255
$50M - $100M
255
$350K
$500M - $1B
255
$50M - $100M
255
$50M - $100M
255
$763M
$50M - $100M
255
$614K
$1M - $10M
255
$250M - $500M
255
$50M - $100M
255
$100M - $250M
255
$46M
$50M - $100M
255
$144M
$10M - $25M
255
$30M
$25M - $50M
255
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 TIMBER, WILLIAM S. MIDDLETON MEMORIAL VETERANS HOSPITAL and Wolters Kluwer Tax & Accounting Deutschland.
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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