List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including SIMO, Sonatus and Talentify.io. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$64M
$25M - $50M
276
$110M
$100M - $250M
276
$100M - $250M
276
$10M - $25M
276
$10M - $25M
276
$243M
$100M - $250M
276
$40M
$100M - $250M
276
$100M - $250M
276
$25M - $50M
276
$500M - $1B
275
$313M
$100M - $250M
275
$50M - $100M
275
$250M - $500M
275
$50M - $100M
275
$473M
$50M - $100M
275
$107M
$250M - $500M
275
$100M - $250M
275
$15K
$25M - $50M
275
$10M - $25M
275
$17M
$50M - $100M
275
$50M - $100M
275
$500M - $1B
275
$1M - $10M
275
$25M - $50M
275
$100M - $250M
275
$13M
$1M - $10M
275
$1.2B
$100M - $250M
275
$27M
$250M - $500M
275
$87M
$100M - $250M
275
$25M - $50M
275
$500M - $1B
275
$42M
$25M - $50M
275
$1B - $10B
275
$100M - $250M
275
$9.1M
$100M - $250M
275
$50M - $100M
275
$50M
$10M - $25M
274
$16M
$1B - $10B
274
$44M
$1M - $10M
274
$100M - $250M
274
$250M - $500M
274
$100M - $250M
274
$38M
$100M - $250M
274
$73M
$500M - $1B
274
$1B - $10B
274
$50M
$50M - $100M
274
$60M
$250M - $500M
274
$100M - $250M
274
$250M - $500M
274
$115M
$100M - $250M
274
$250M - $500M
274
$100M - $250M
274
$69M
$100M - $250M
274
$3M
$10M - $25M
274
$250M - $500M
274
$65M
$50M - $100M
274
$1M - $10M
274
$64M
$10M - $25M
274
$187M
$250M - $500M
274
$500M - $1B
274
$1M - $10M
274
$100M - $250M
273
$1M - $10M
273
$395K
<$1M
273
$10M - $25M
273
$1.7M
$50M - $100M
273
$100M - $250M
273
$50M - $100M
273
$51M
$500M - $1B
273
$50M - $100M
273
$1.4B
$250M - $500M
273
$120K
$10M - $25M
273
$250M - $500M
273
$100M - $250M
273
$226M
$50M - $100M
273
$1M - $10M
273
$10M - $25M
273
$140M
$100M - $250M
273
$10M - $25M
273
$190M
$100M - $250M
273
$10M
$25M - $50M
273
$25M - $50M
272
$250M - $500M
272
$54M
$50M - $100M
272
$25M - $50M
272
<$1M
272
$100M - $250M
272
$62M
$10M - $25M
272
$100M - $250M
272
$250M - $500M
272
$48M
$100M - $250M
272
$1B - $10B
272
$50M - $100M
272
$10M - $25M
272
$1M - $10M
272
$221M
$100M - $250M
272
$1M - $10M
271
$1M - $10M
271
$50M - $100M
271
$38M
$50M - $100M
271
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 SIMO, Sonatus and Talentify.io.
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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