List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Procol, Strategic Financial Solutions NY and Tantalus Systems. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$17M
$50M - $100M
242
$250M - $500M
242
$69M
$50M - $100M
242
$10M - $25M
242
$10M - $25M
242
$25M - $50M
241
$250M - $500M
241
$2.8M
$100M - $250M
241
$100M - $250M
241
$1M - $10M
241
$500M - $1B
241
$157M
$100M - $250M
241
$93M
$25M - $50M
241
$16M
$250M - $500M
241
$100M - $250M
241
$33M
$10M - $25M
241
$265M
$500M - $1B
241
$1B - $10B
241
$119M
$100M - $250M
241
$250M - $500M
241
$1M - $10M
241
$1B - $10B
241
$124K
$1M - $10M
241
$100M - $250M
241
$50M - $100M
241
$100M - $250M
241
$666M
$250M - $500M
241
$100M - $250M
241
$187M
$50M - $100M
240
$25M - $50M
240
$1B - $10B
240
$50M - $100M
240
$50M - $100M
240
$228M
$25M - $50M
240
$7.1M
$1M - $10M
240
$100M - $250M
240
$250M - $500M
240
$100M - $250M
240
$1M - $10M
240
$1M - $10M
240
$10M - $25M
240
$352M
$100M - $250M
240
$100M - $250M
240
$100M - $250M
240
$25M - $50M
240
$250M - $500M
240
$462M
$250M - $500M
240
$30M
$1B - $10B
240
$115M
$50M - $100M
240
$75M
$100M - $250M
240
$120M
$100M - $250M
240
$597M
$250M - $500M
240
$3M
$25M - $50M
240
$100M - $250M
240
$25M - $50M
240
$25M - $50M
240
$1M - $10M
239
$106M
$100M - $250M
239
$1B - $10B
239
$294M
$25M - $50M
239
$130M
$100M - $250M
239
$118M
$25M - $50M
239
$56M
$1M - $10M
239
$301M
$50M - $100M
239
$1M - $10M
239
$132M
$100M - $250M
239
$10M - $25M
239
$8.1M
$1B - $10B
239
$1.3M
$100M - $250M
239
$10M - $25M
239
$75M
$100M - $250M
239
$250M - $500M
239
$10M - $25M
239
$1M - $10M
239
$117M
$500M - $1B
239
$1M - $10M
239
$5.5M
$50M - $100M
239
$25M - $50M
238
$112M
$100M - $250M
238
$10M - $25M
238
$337M
$25M - $50M
238
$250M - $500M
238
$28M
$25M - $50M
238
$1M - $10M
238
$109M
$100M - $250M
238
$65M
$100M - $250M
238
$1M - $10M
238
$250M - $500M
238
$10M - $25M
238
$8.8M
$1M - $10M
238
$100M - $250M
238
$10M - $25M
238
$10M - $25M
238
$2.5M
$50M - $100M
238
$100M - $250M
238
$1B - $10B
238
$495M
$25M - $50M
238
$50M - $100M
238
$29M
$1M - $10M
238
$41M
$250M - $500M
238
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 Procol, Strategic Financial Solutions NY and Tantalus Systems.
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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