List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Sling TV, Surgical Science and Uassist.ME. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$100M - $250M
274
$50M - $100M
274
$1M - $10M
274
$221M
$100M - $250M
274
$500M - $1B
274
$166M
$10M - $25M
273
$1M - $10M
273
$100M - $250M
273
$1M - $10M
273
$250M - $500M
273
$250M - $500M
273
$54M
$50M - $100M
273
$20M
$25M - $50M
273
$25M - $50M
273
$50M - $100M
273
$250M - $500M
273
$250M - $500M
273
$10M - $25M
273
$250M - $500M
273
$10M - $25M
273
$25M - $50M
273
$100M - $250M
273
$50M - $100M
273
$100M - $250M
272
$3.5M
$1M - $10M
272
$250M - $500M
272
$100M - $250M
272
$100M - $250M
272
$50M - $100M
272
<$1M
272
$100M - $250M
272
$50M - $100M
272
$17M
$50M - $100M
272
$500M - $1B
272
$83M
$500M - $1B
272
$50M - $100M
272
$250M - $500M
272
$234M
$100M - $250M
272
$100M - $250M
272
$50M - $100M
272
$25M - $50M
272
$147M
$50M - $100M
272
$50M - $100M
272
$16M
$100M - $250M
272
$100M - $250M
272
$500M - $1B
271
$5M
$100M - $250M
271
$25M - $50M
271
$437M
$250M - $500M
271
$224M
$100M - $250M
271
$112M
$100M - $250M
271
$142M
$250M - $500M
271
$3M
$10M - $25M
271
$1M - $10M
271
$100M - $250M
271
$10M - $25M
271
$100M - $250M
271
$23M
$100M - $250M
271
$243M
$100M - $250M
271
$187M
$250M - $500M
271
$1M - $10M
271
$100M - $250M
271
$25M - $50M
271
$61M
$10M - $25M
271
$100M - $250M
270
$50M - $100M
270
$100M - $250M
270
$22M
$100M - $250M
270
$312M
$25M - $50M
270
$243M
$500M - $1B
270
$271M
$100M - $250M
270
$2.4B
$100M - $250M
270
$25M - $50M
270
$106M
$250M - $500M
270
$42M
$25M - $50M
270
$200M
$100M - $250M
270
$50M - $100M
269
$137M
$50M - $100M
269
$59M
$10M - $25M
269
$3M
$50M - $100M
269
$100M - $250M
269
$1.4B
$250M - $500M
269
$38M
$50M - $100M
269
$48M
$100M - $250M
269
$1.5M
$25M - $50M
269
$38M
$10M - $25M
269
$13M
$1M - $10M
269
$1M - $10M
269
$100M - $250M
269
$100M - $250M
269
$603M
$50M - $100M
269
$6.6M
$25M - $50M
269
$100M - $250M
269
$100M - $250M
268
$253M
$25M - $50M
268
$106M
$100M - $250M
268
$100M - $250M
268
$50M - $100M
268
$1.8B
$500M - $1B
268
$64M
$50M - $100M
268
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 Sling TV, Surgical Science and Uassist.ME.
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.
Search by Industry
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Search by Technology
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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