List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Flow, Joveo and Loka. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$450M
$100M - $250M
455
$18M
$100M - $250M
455
$100M - $250M
455
$46M
$250M - $500M
455
$500M - $1B
455
$100M
$100M - $250M
454
$10M - $25M
454
$310M
$100M - $250M
454
$160M
$100M - $250M
454
$50M - $100M
454
$515M
$250M - $500M
454
$250M - $500M
454
$127M
$25M - $50M
453
$500M - $1B
453
$57M
$50M - $100M
453
$500M - $1B
453
$44M
$250M - $500M
453
$54M
$1M - $10M
453
$68M
$25M - $50M
453
$250M - $500M
453
$109M
$100M - $250M
452
$33M
$1B - $10B
452
$2M
$25M - $50M
452
$119M
$25M - $50M
452
$10M - $25M
452
$650M
$500M - $1B
452
$49M
$100M - $250M
452
$250M - $500M
452
$1B - $10B
451
$971M
$250M - $500M
451
$100M - $250M
451
$307M
$250M - $500M
451
$520M
$250M - $500M
451
$10M - $25M
451
$151M
$100M - $250M
450
$1M - $10M
450
$50M - $100M
450
$237M
$25M - $50M
450
$250M - $500M
450
$190M
$500M - $1B
450
$500M - $1B
450
$500M - $1B
450
$1B - $10B
450
$1M - $10M
449
$686M
$250M - $500M
449
$137M
$100M - $250M
449
$100M - $250M
449
$100M - $250M
449
$90M
$100M - $250M
449
$122M
$100M - $250M
449
$50M - $100M
448
$978M
$10M - $25M
448
$350M
$50M - $100M
448
$1B - $10B
448
$100M - $250M
448
$105M
$250M - $500M
448
$500M - $1B
448
$50M - $100M
448
$159M
$100M - $250M
448
$25M - $50M
448
$500M - $1B
448
$100M - $250M
447
$25M - $50M
447
$1B - $10B
447
$50M - $100M
447
$1B - $10B
447
$10M - $25M
447
$500M - $1B
447
$100M - $250M
447
$100M - $250M
447
$1M - $10M
447
$15M
$10M - $25M
447
$54M
$250M - $500M
446
$134M
$100M - $250M
446
$79M
$100M - $250M
446
$180M
$250M - $500M
446
$250M - $500M
446
$64M
$250M - $500M
446
$25M - $50M
446
$167M
$50M - $100M
446
$100M - $250M
445
$100M - $250M
445
$250M - $500M
445
$1M - $10M
445
$620M
$250M - $500M
445
$1M - $10M
445
$500M - $1B
445
$32M
$25M - $50M
445
$10M - $25M
445
$2.6M
$100M - $250M
444
$50M - $100M
444
$200M
$100M - $250M
444
$25M - $50M
444
$544M
<$1M
444
$9M
$100M - $250M
444
$50K
$10M - $25M
444
$25M - $50M
444
$50M - $100M
444
$1B - $10B
444
$27M
$100M - $250M
443
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 Flow, Joveo and Loka.
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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