List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Spark Hire, Support Driven and The Recycling Partnership. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$50M - $100M
165
$1M - $10M
165
$50M - $100M
165
$1M - $10M
165
$100M - $250M
165
$25M - $50M
165
$1M - $10M
165
$10M - $25M
165
$100M - $250M
165
$51M
$25M - $50M
165
$50M - $100M
164
$500M - $1B
164
<$1M
164
$1M - $10M
164
$1M - $10M
164
$25M - $50M
164
$58M
$25M - $50M
164
$25M - $50M
164
$25M - $50M
164
$100M - $250M
164
$1B - $10B
164
$1M - $10M
164
$10M - $25M
164
$100M - $250M
164
$250K
$250M - $500M
164
$69M
$25M - $50M
164
$100M - $250M
164
$10M - $25M
164
$25M - $50M
164
$25M - $50M
164
$250M - $500M
164
$100M - $250M
164
$5.6M
$1M - $10M
164
$118M
$1B - $10B
164
$104M
$10M - $25M
164
$17M
$50M - $100M
164
$1M - $10M
164
$43M
$100M - $250M
164
$100M - $250M
164
$50M - $100M
164
$100M
$50M - $100M
164
$46M
$1M - $10M
164
$48M
$100M - $250M
164
$365K
$100M - $250M
164
$100M - $250M
164
$174M
$50M - $100M
164
$50M - $100M
164
$328M
$10M - $25M
164
$25M - $50M
164
$100M - $250M
164
$37M
$500M - $1B
164
$79M
$50M - $100M
164
$100M - $250M
164
$25M - $50M
164
$250M - $500M
164
$10M - $25M
164
$350K
$100M - $250M
163
$10M
$100M - $250M
163
$10M - $25M
163
$161M
$250M - $500M
163
$387M
$100M - $250M
163
$1M - $10M
163
$50K
$1B - $10B
163
$32M
$1B - $10B
163
$96M
$100M - $250M
163
$15M
$100M - $250M
163
$164M
$25M - $50M
163
$11M
$25M - $50M
163
$116M
$500M - $1B
163
$25M - $50M
163
$10M - $25M
163
$50M - $100M
163
$500M - $1B
163
$100M - $250M
163
$74M
$50M - $100M
163
$1M - $10M
163
$72M
$25M - $50M
163
$500M - $1B
163
$135M
$50M - $100M
163
$100M - $250M
163
$74M
$500M - $1B
163
$27M
$1M - $10M
163
$379M
$100M - $250M
163
$80M
$100M - $250M
163
$50M - $100M
163
$1B - $10B
163
$1B - $10B
163
$100M - $250M
163
$10M - $25M
163
$15M
$25M - $50M
163
$250M - $500M
163
$9.9M
$50M - $100M
163
$100M - $250M
162
$25M - $50M
162
$68M
$100M - $250M
162
$10M - $25M
162
$1M - $10M
162
$50M - $100M
162
$1M - $10M
162
$18M
$50M - $100M
162
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 Spark Hire, Support Driven 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
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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