List of Companies Using Slack
Prospecting companies using Slack? Here they are, biggest first, including Cayuse Holdings, FP7 McCann and GoKwik. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$250M - $500M
617
$50M - $100M
617
$68M
$25M - $50M
617
$100M - $250M
617
$25M - $50M
617
$50M - $100M
617
$250M - $500M
617
$500M - $1B
617
$100M - $250M
617
$535M
$500M - $1B
617
$1.5B
$25M - $50M
617
$1M - $10M
617
$81M
$50M - $100M
616
$50M - $100M
616
$80M
$50M - $100M
616
$1B - $10B
616
$250M - $500M
616
$50M - $100M
616
$153M
$1B - $10B
616
$100M - $250M
616
$273M
$100M - $250M
616
$50M - $100M
615
$158M
$250M - $500M
615
$50M - $100M
615
$100M - $250M
614
$1B - $10B
614
$100M - $250M
614
$533M
$100M - $250M
614
$25M - $50M
614
$100M
$25M - $50M
614
$1B - $10B
613
$10M - $25M
613
$10M - $25M
613
$100M - $250M
613
$100M - $250M
612
$864M
$250M - $500M
612
$500M - $1B
611
$41M
$100M - $250M
611
$283M
$10M - $25M
611
$125K
$1B - $10B
611
$5.3M
$500M - $1B
611
$755M
$250M - $500M
611
$624M
$500M - $1B
611
$250M - $500M
610
$1.9B
$1B - $10B
610
$250M - $500M
609
$1B - $10B
609
$7.5M
$100M - $250M
609
$551M
$100M - $250M
609
$100M - $250M
609
$1M - $10M
609
$121M
$25M - $50M
608
$100M - $250M
608
$250M - $500M
608
$250M - $500M
608
$500M - $1B
608
$250M - $500M
608
$666M
$250M - $500M
607
$1M - $10M
607
$250M - $500M
607
$105M
$250M - $500M
607
$508M
$500M - $1B
607
$100M - $250M
606
$250M - $500M
606
$100M - $250M
606
$69M
$50M - $100M
605
$1B - $10B
605
$500M - $1B
605
$100M - $250M
605
$250M - $500M
604
$78M
$250M - $500M
604
$477M
$500M - $1B
604
$237M
$500M - $1B
604
$10M - $25M
604
$562M
$100M - $250M
604
$50M - $100M
604
$100M - $250M
604
$1M - $10M
604
$500M - $1B
604
$100M - $250M
604
$250M - $500M
603
$500M - $1B
603
$1B - $10B
603
$500M - $1B
603
$194M
$500M - $1B
603
$100M - $250M
603
$1M - $10M
603
$500M - $1B
603
$250M - $500M
602
$271M
$250M - $500M
602
$10M - $25M
602
$3.5M
$100M - $250M
602
$10M - $25M
602
$1M
$250M - $500M
601
$17M
$50M - $100M
601
$100M - $250M
601
$10M - $25M
600
$306M
$100M - $250M
600
$5.6M
$100M - $250M
600
$949M
$500M - $1B
600
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 Cayuse Holdings, FP7 McCann and GoKwik.
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
ConstructionIT Services and IT ConsultingSoftware DevelopmentFinancial ServicesReal EstateHospitals and Health CareAdvertising ServicesNon-profit OrganizationsInsuranceLaw PracticeRetailWellness and Fitness ServicesBusiness Consulting and ServicesEducation Administration ProgramsMotor Vehicle ManufacturingTechnology, Information and InternetFood and Beverage ServicesStaffing and RecruitingAccountingOil and GasHospitalityAppliances, Electrical, and Electronics ManufacturingManufacturingArchitecture and PlanningMachinery Manufacturing
Search by Country
United StatesUnited KingdomCanadaGermanyAustraliaFranceNetherlandsIndiaSpainSwitzerlandItalySwedenBrazilBelgiumSingaporeIrelandUnited Arab EmiratesDenmarkSouth AfricaIsraelNew ZealandNorwayFinland
Search by Technology
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
1-888-653-2347 
support@leadiq.com © LeadIQ, Inc. All rights reserved.
