List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including PetDesk, Raise Financial Services and SE2, LLC. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$16M
$100M - $250M
346
$148M
$50M - $100M
346
$100M - $250M
346
$50M - $100M
346
$100M - $250M
345
$500M - $1B
345
$250M - $500M
345
$25M - $50M
345
$39M
$100M - $250M
345
$37M
$25M - $50M
345
$100M - $250M
345
$1B
$10M - $25M
345
$50M - $100M
345
$100M - $250M
345
$100M - $250M
345
$29M
$100M - $250M
345
$25M - $50M
345
$1.3B
$250M - $500M
345
$100M - $250M
345
$10M - $25M
344
$145M
$100M - $250M
344
$250M - $500M
344
$50M - $100M
344
$250M - $500M
344
$1.4B
$100M - $250M
344
$225M
$50M - $100M
344
$19M
$50M - $100M
344
$50M - $100M
344
$1.1B
$250M - $500M
344
$25M - $50M
344
$50M - $100M
343
$296M
$500M - $1B
343
$232M
$100M - $250M
343
$94M
$50M - $100M
343
$10M - $25M
343
$250M - $500M
343
$100M - $250M
343
$10M - $25M
343
$250M - $500M
343
$193M
$50M - $100M
343
$100M - $250M
343
$32M
$1M - $10M
343
$25M - $50M
343
$1B - $10B
343
$91M
$100M - $250M
343
$25M - $50M
343
$50M - $100M
343
$195M
$100M - $250M
343
$66M
$25M - $50M
342
$100M - $250M
342
$10M - $25M
342
$500M - $1B
342
$250M - $500M
342
$250M - $500M
342
$250M - $500M
342
$1B - $10B
342
$100M - $250M
342
$500M - $1B
342
$90M
$100M - $250M
342
$250M - $500M
342
$50M - $100M
342
$100M - $250M
342
$450M
$50M - $100M
342
$500M - $1B
342
$1M - $10M
341
$250M - $500M
341
$100M - $250M
341
$14M
$1M - $10M
341
$8.8M
$100M - $250M
341
$1M - $10M
341
$50M - $100M
341
$48M
$250M - $500M
341
$175M
$100M - $250M
341
$1.6M
$250M - $500M
340
$80M
$100M - $250M
340
$100M - $250M
340
$221M
$50M - $100M
340
$250M - $500M
340
$50M - $100M
340
$151M
$100M - $250M
340
$12M
$10M - $25M
340
$250M - $500M
340
$118M
$1M - $10M
340
$50M - $100M
340
$2.8M
$1M - $10M
339
$100M - $250M
339
$12M
$1B - $10B
339
$25M - $50M
339
$55M
$100M - $250M
339
$25M - $50M
339
$260M
$500M - $1B
339
$134M
$100M - $250M
339
$100M - $250M
339
$273M
$10M - $25M
339
$100M - $250M
339
$40M
$250M - $500M
339
$250M - $500M
339
$58M
$250M - $500M
339
$100M - $250M
339
$1B
$100M - $250M
339
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 PetDesk, Raise Financial Services and SE2, LLC.
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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