List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Phiture, Property24 and Re:Build Optimation Technology, LLC. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$25M - $50M
151
$10M - $25M
151
$100M - $250M
151
$10M - $25M
151
$11M
$10M - $25M
151
$95M
$25M - $50M
151
$1M - $10M
151
$50M - $100M
151
$25K
$10M - $25M
151
$81M
$100M - $250M
151
$10M - $25M
151
$1M - $10M
151
$100M - $250M
151
$49M
$100M - $250M
151
$6.4M
$50M - $100M
151
$10M - $25M
151
$27M
$100M - $250M
150
$50M - $100M
150
$10M - $25M
150
$100M - $250M
150
$250M - $500M
150
$10M - $25M
150
$50M - $100M
150
$10M - $25M
150
$100M - $250M
150
$158M
$50M - $100M
150
$50M - $100M
150
$42M
$50M - $100M
150
$387M
$100M - $250M
150
$250M - $500M
150
$250M - $500M
150
$100M - $250M
150
$100M - $250M
150
$191M
$10M - $25M
150
$1M - $10M
150
$100M - $250M
150
$25M - $50M
150
$50M - $100M
150
$305M
$50M - $100M
150
$100M - $250M
150
$93M
$25M - $50M
150
$100M - $250M
150
$1M - $10M
150
$290M
$250M - $500M
150
$25M - $50M
150
$25M
$10M - $25M
150
$100M - $250M
150
$1M - $10M
150
$78M
$50M - $100M
150
$56M
$50M - $100M
150
$10M - $25M
150
$50M - $100M
150
$43M
$50M - $100M
150
$137M
$100M - $250M
150
$1M - $10M
150
$22M
$25M - $50M
150
$1.1M
$10M - $25M
150
$18M
$1M - $10M
150
$15M
$100M - $250M
150
$1M - $10M
149
$100M - $250M
149
$64K
$250M - $500M
149
$50M - $100M
149
$100M - $250M
149
$50M - $100M
149
$100M - $250M
149
$500M - $1B
149
$70M
$50M - $100M
149
$19M
$1M - $10M
149
$41M
$25M - $50M
149
$1M - $10M
149
$1M - $10M
149
$100M - $250M
149
$100M - $250M
149
$444M
$25M - $50M
149
$25M - $50M
149
<$1M
149
$25M - $50M
149
$100M - $250M
149
$19M
$25M - $50M
149
$41M
$25M - $50M
149
$1M - $10M
149
$50M - $100M
149
$10M - $25M
149
$25M - $50M
149
$457M
$25M - $50M
149
$1M - $10M
149
$1.5M
$25M - $50M
149
$225K
$25M - $50M
149
$50M - $100M
149
$29M
$50M - $100M
149
$1M - $10M
149
$1B - $10B
149
$45M
$10M - $25M
149
$4.2M
$10M - $25M
149
$900K
$100M - $250M
149
$94M
$50M - $100M
149
$75M
$25M - $50M
149
$1M - $10M
149
$90M
$25M - $50M
149
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 Phiture, Property24 and Re:Build Optimation Technology, LLC.
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.
Search by Industry
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Search by Technology
Top companies by employee count
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