List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Smokeball - Legal Software, Storm Ideas and The Recycling Partnership. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$30M
$50M - $100M
166
$25M - $50M
166
$50M - $100M
166
$345K
$25M - $50M
166
$79M
$50M - $100M
166
$50M - $100M
166
$100M - $250M
166
$100M - $250M
166
$250M - $500M
165
$632K
$10M - $25M
165
$500M - $1B
165
$1M - $10M
165
$100M - $250M
165
$25M - $50M
165
$23M
$10M - $25M
165
$32M
$1B - $10B
165
$14M
$100M - $250M
165
$124M
$10M - $25M
165
$1M - $10M
165
$7.4M
$10M - $25M
165
<$1M
165
$45M
$10M - $25M
165
$143M
$250M - $500M
165
$100M - $250M
165
$250M - $500M
165
$17M
$50M - $100M
165
$10M - $25M
165
$75M
$100M - $250M
165
$7.7M
<$1M
165
$44M
$50M - $100M
165
$250M - $500M
165
$49M
$25M - $50M
165
$50M - $100M
165
$50M - $100M
165
$100M - $250M
165
$50M - $100M
165
$1M - $10M
165
$1M - $10M
165
$100M - $250M
165
$275K
$100M - $250M
165
$50M - $100M
164
$25M - $50M
164
$1M - $10M
164
$10M - $25M
164
$50M - $100M
164
$25M - $50M
164
$100M - $250M
164
$22M
$50M - $100M
164
$1M - $10M
164
$1B - $10B
164
$10M - $25M
164
$25M - $50M
164
$50M - $100M
164
$100M - $250M
164
$45M
$50M - $100M
164
$50M - $100M
164
$118M
$1B - $10B
164
$100M - $250M
164
$100M - $250M
164
$9.6M
$50M - $100M
164
$82M
$100M - $250M
164
$100M - $250M
164
$12M
$100M - $250M
164
$250M - $500M
164
$25K
$100M - $250M
164
$50M - $100M
164
$250M - $500M
164
$50M - $100M
164
$50M - $100M
164
$74M
$50M - $100M
164
$1M - $10M
164
$1B - $10B
164
$1M - $10M
164
$10M - $25M
164
$37M
$500M - $1B
164
$100M - $250M
164
$10M - $25M
164
$1M - $10M
164
$1M - $10M
164
$100M - $250M
164
$15M
$25M - $50M
164
$50M - $100M
164
$51M
$25M - $50M
164
$25M - $50M
164
$100M - $250M
163
$100M - $250M
163
$387M
$100M - $250M
163
$500M - $1B
163
$1M - $10M
163
$32M
$10M - $25M
163
$50M - $100M
163
$50M - $100M
163
$50M - $100M
163
$18M
$50M - $100M
163
$96M
$100M - $250M
163
$80M
$100M - $250M
163
$10M - $25M
163
$25M - $50M
163
$100M - $250M
163
$1M - $10M
163
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 Smokeball - Legal Software, Storm Ideas and The Recycling Partnership.
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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