List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Ignition Creative, Implicity and Infotrust. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$50M - $100M
128
$28M
$1M - $10M
128
$10M - $25M
128
$100M - $250M
128
$1M - $10M
128
$10M - $25M
128
$4.4M
$50M - $100M
128
$100M - $250M
128
$1M - $10M
128
$216M
$25M - $50M
128
$1M - $10M
128
$140M
$50M - $100M
128
$1M - $10M
128
$5.4M
$50M - $100M
128
$50M - $100M
128
$200M
$25M - $50M
128
$100M - $250M
128
$23M
$100M - $250M
128
$250M - $500M
128
$72M
$25M - $50M
128
$500M - $1B
128
$150K
$1M - $10M
128
$10M - $25M
128
$225M
$1B - $10B
128
$50M - $100M
127
$10M - $25M
127
$41M
$1M - $10M
127
$10M
$25M - $50M
127
$25M - $50M
127
$10M - $25M
127
$71M
$1M - $10M
127
$29M
$50M - $100M
127
$60M
$1M - $10M
127
$19M
$10M - $25M
127
$25M - $50M
127
$298M
$10M - $25M
127
$50M - $100M
127
$14M
$100M - $250M
127
$70M
$50M - $100M
127
$250M - $500M
127
$2M
$50M - $100M
127
$2.5B
$100M - $250M
127
$64M
$10M - $25M
127
$25M - $50M
127
$100M - $250M
127
$25M - $50M
127
$250M - $500M
127
$1M - $10M
127
$100M - $250M
127
$1.7M
$10M - $25M
127
$100M - $250M
127
$100M - $250M
127
$100M - $250M
127
$47M
$10M - $25M
127
$10M - $25M
127
$50M - $100M
127
$25M - $50M
127
$1M - $10M
127
$25M - $50M
127
$1M - $10M
127
$51M
$500M - $1B
127
$5.1M
$10M - $25M
127
$100M - $250M
127
$60M
$25M - $50M
127
$10M - $25M
127
$1.1B
$50M - $100M
127
$537K
$1M - $10M
127
$25M - $50M
127
$25M - $50M
127
$32M
$50M - $100M
127
$100K
$25M - $50M
127
$1B - $10B
127
$12M
$25M - $50M
127
$20M
$1M - $10M
127
$25M - $50M
127
$100M - $250M
127
$50M - $100M
127
$150K
$100M - $250M
127
$25M - $50M
127
$273M
$10M - $25M
127
<$1M
127
$1M - $10M
127
$8M
$25M - $50M
127
$37M
$100M - $250M
127
$31M
$10M - $25M
127
$1B - $10B
127
$80M
$100M - $250M
127
$25M - $50M
127
$39M
$25M - $50M
127
$1.6M
$25M - $50M
127
$178M
$100M - $250M
127
$1M - $10M
126
$12M
$50M - $100M
126
$250M - $500M
126
$100M
$50M - $100M
126
$25M - $50M
126
$80M
$10M - $25M
126
$328M
$50M - $100M
126
$50M - $100M
126
$50M - $100M
126
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 Ignition Creative, Implicity and Infotrust.
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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