List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Florida Chief Financial Officer, Georgetown University McCourt School of Public Policy and Gumtree Group. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$50M - $100M
214
$1M - $10M
214
$25M - $50M
214
$50M - $100M
214
$250M - $500M
214
$250M - $500M
214
$12M
$100M - $250M
214
$25M - $50M
214
$100M - $250M
214
$100M - $250M
214
$3.8M
$100M - $250M
214
$50M - $100M
214
$163M
$100M - $250M
214
$250M - $500M
214
$100M - $250M
214
$103M
$500M - $1B
214
$35M
$10M - $25M
214
$116M
$50M - $100M
214
$500M - $1B
214
$1B - $10B
214
$1M
$1M - $10M
214
$47M
$1M - $10M
214
$75M
$25M - $50M
214
$198M
$100M - $250M
214
$100M - $250M
213
$25M - $50M
213
$100M
$100M - $250M
213
$20M
$100M - $250M
213
$50M - $100M
213
$42M
$100M - $250M
213
$1M - $10M
213
$58M
$50M - $100M
213
$50M - $100M
213
$250M - $500M
213
$50M - $100M
213
$61M
$100M - $250M
213
$100M - $250M
213
$25M - $50M
213
$1M - $10M
213
$315M
$25M - $50M
213
$50M - $100M
213
$236M
$50M - $100M
213
$1B - $10B
213
$50M - $100M
213
$250M - $500M
213
$50M - $100M
213
$1M - $10M
213
<$10M
213
$1M - $10M
213
$50M - $100M
213
$25M - $50M
213
$11M
$1M - $10M
213
$100M - $250M
213
$10M - $25M
212
$1M - $10M
212
$85M
$50M - $100M
212
$61M
$100M - $250M
212
$100M - $250M
212
$6M
$10M - $25M
212
$73M
$50M - $100M
212
$100M - $250M
212
$100M - $250M
212
$10M - $25M
212
$185M
$500M - $1B
212
$250M - $500M
212
$145M
$100M - $250M
212
$1B - $10B
212
$3.5M
$100M - $250M
212
$250M - $500M
212
$50M - $100M
212
$50M
$10M - $25M
212
$10M - $25M
212
$100M - $250M
212
$1M - $10M
212
$100M - $250M
212
$1B - $10B
212
$100M - $250M
212
$50M - $100M
212
$100M - $250M
212
$70M
$100M - $250M
212
$100M - $250M
211
$10M - $25M
211
$51M
$10M - $25M
211
$300K
$100M - $250M
211
$100M - $250M
211
$138M
$25M - $50M
211
$25M - $50M
211
<$1M
211
$188M
$50M - $100M
211
$100M - $250M
211
$250M - $500M
211
$100M - $250M
211
$500M - $1B
211
$250M - $500M
211
$115M
$100M - $250M
211
$42M
$100M - $250M
211
$50M - $100M
211
$25M - $50M
211
$100M - $250M
211
$1M - $10M
211
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 Florida Chief Financial Officer, Georgetown University McCourt School of Public Policy and Gumtree Group.
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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