List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Klue, Liip and Masterworks. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$83M
$50M - $100M
188
$1M - $10M
188
$250M - $500M
188
$1M - $10M
188
$70M
$25M - $50M
188
$57M
$10M - $25M
188
$250M - $500M
188
$100M - $250M
188
$96M
$50M - $100M
188
$100M - $250M
188
$10M - $25M
188
$25M - $50M
188
$100M - $250M
188
$100M - $250M
188
$50M - $100M
188
$37M
$25M - $50M
188
$120M
$25M - $50M
188
$55M
$10M - $25M
188
$10M - $25M
188
$20M
$500M - $1B
188
$7.3M
$1M - $10M
187
$422M
$1M - $10M
187
$100M - $250M
187
$84M
$25M - $50M
187
$100M - $250M
187
$50M - $100M
187
$83M
$25M - $50M
187
$250M - $500M
187
$25M - $50M
187
$100M - $250M
187
<$1M
187
$17M
$100M - $250M
187
$26M
$50M - $100M
187
$135M
$25M - $50M
187
$3M
$50M - $100M
187
$1M - $10M
187
<$1M
187
$500M - $1B
187
$679M
$50M - $100M
187
$150M
$100M - $250M
187
$100M - $250M
187
$100M - $250M
187
$50M - $100M
187
$50M - $100M
187
$10M - $25M
187
$116M
$10M - $25M
187
$35M
$100M - $250M
187
$1.7B
$100M - $250M
187
$381M
$50M - $100M
187
$2.8M
$100M - $250M
187
$100M - $250M
187
$119M
$1M - $10M
187
$10M - $25M
187
$75M
$25M - $50M
187
$67M
$100M - $250M
187
$5.2M
$100M - $250M
187
$50M - $100M
187
$312M
$100M - $250M
186
$22M
$10M - $25M
186
$1B - $10B
186
$10M - $25M
186
$3.3M
$25M - $50M
186
$10M - $25M
186
$100M - $250M
186
$500M - $1B
186
$250M - $500M
186
$100M - $250M
186
$100M - $250M
186
$190K
$100M - $250M
186
$2.4M
$1M - $10M
186
$50M - $100M
186
$35M
$10M - $25M
186
$119M
$50M - $100M
186
$100M - $250M
186
$15M
$50M - $100M
186
$1M - $10M
186
$107M
$50M - $100M
186
$50M - $100M
186
$10M - $25M
186
$250M - $500M
186
$100M - $250M
185
$8.3M
$100M - $250M
185
$100M - $250M
185
$116M
$10M - $25M
185
$50M - $100M
185
$25M
$10M - $25M
185
$100M - $250M
185
$57M
$500M - $1B
185
$14M
$25M - $50M
185
$1M - $10M
185
$25M - $50M
185
$10M - $25M
185
$25M - $50M
185
$100M - $250M
185
<$1M
185
$100M - $250M
185
$100M - $250M
185
$132M
$50M - $100M
185
$40M
$1B - $10B
185
$27M
$50M - $100M
185
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 Klue, Liip and Masterworks.
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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