List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Confiz, DX and Maribyrnong City Council. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$50M - $100M
551
$100M - $250M
551
$100K
$10M - $25M
551
$464M
$250M - $500M
551
$146M
$50M - $100M
551
$500M - $1B
550
$10M - $25M
550
$197M
$250M - $500M
550
$500M - $1B
550
$25M - $50M
550
$264M
$250M - $500M
550
$26M
$500M - $1B
550
$66M
$100M - $250M
550
$250M - $500M
549
$10M - $25M
549
$10M - $25M
549
$100M - $250M
549
$225M
$50M - $100M
549
$250M - $500M
549
$512M
$250M - $500M
548
$10M
$1B - $10B
548
$1B - $10B
548
$100M - $250M
547
$100M - $250M
547
$50M - $100M
547
$18M
$100M - $250M
547
$1B - $10B
547
$198M
$250M - $500M
546
$25M - $50M
546
$134M
$500M - $1B
546
$50M - $100M
546
$50M - $100M
546
$102M
$100M - $250M
546
$100M - $250M
545
$500M - $1B
545
$250M - $500M
545
$25M - $50M
545
$186M
$250M - $500M
544
$746M
$1B - $10B
544
$675M
$250M - $500M
544
$13M
$250M - $500M
544
$250M - $500M
544
$250M - $500M
544
$101M
$500M - $1B
544
$500M - $1B
543
$180M
$100M - $250M
543
$500M - $1B
543
$250M - $500M
542
$365M
$500M - $1B
542
$463M
$250M - $500M
542
$500M - $1B
542
$250M - $500M
541
$100M - $250M
541
$250M - $500M
541
$10M - $25M
541
$100M - $250M
541
$70M
$100M - $250M
541
$250M - $500M
541
$50M - $100M
541
$250M - $500M
541
$170M
$100M - $250M
540
$25K
$50M - $100M
540
$40M
$25M - $50M
540
$49M
$250M - $500M
540
$65M
$1B - $10B
540
$288M
$250M - $500M
540
$1B
$100M - $250M
539
$50M - $100M
539
$430M
$1B - $10B
539
$50M - $100M
538
$250M - $500M
538
$1B - $10B
538
$1M - $10M
538
$10M - $25M
538
$2.6M
$250M - $500M
538
$500M - $1B
537
$655M
$100M - $250M
537
$250M - $500M
537
$10M - $25M
537
$172M
$250M - $500M
537
$500M - $1B
537
$500M - $1B
537
$1B - $10B
537
$500M - $1B
536
$25M - $50M
536
$1M - $10M
536
$12M
$250M - $500M
536
$25M - $50M
536
$929M
$250M - $500M
536
$362M
$1B - $10B
536
$2.3B
$250M - $500M
536
$250M - $500M
535
$250M - $500M
535
$200M
$250M - $500M
535
$125M
$100M - $250M
535
$100M - $250M
535
$119M
$10M - $25M
535
$10M - $25M
535
$25M - $50M
535
$1B - $10B
534
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 Confiz, DX and Maribyrnong City Council.
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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