List of Companies Using Slack

Prospecting companies using Slack? Here they are, biggest first, including SeedLegals, Smart Apartment Data and SysCloud. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$5.3M
$10M - $25M
137

$50M - $100M
137

$25M - $50M
137

$11M
$50M - $100M
137

$50M - $100M
137

$328M
$100M - $250M
137

$50M - $100M
137

$100M - $250M
137

$25M - $50M
137

$49M
$25M - $50M
137

Gibraltar, Gibraltar
$40M
$1M - $10M
137

$92M
$10M - $25M
137

$100M - $250M
136

$10M - $25M
136

$50M - $100M
136

$25M
$25M - $50M
136

$27M
$25M - $50M
136

<$1M
136

$10M - $25M
136

$100M - $250M
136

$34M
$100M - $250M
136

Pakistan, Punjab, Lahore
$1M - $10M
136

$60M
$100M - $250M
136

$23M
$1M - $10M
136

$25M - $50M
136

$100M - $250M
136

$10M - $25M
136

$47M
$10M - $25M
136

$4.2M
$100M - $250M
136

$50M - $100M
136

$19M
$100M - $250M
136

$500M - $1B
136

$1M - $10M
136

$1M - $10M
136

$100M - $250M
136

$100M - $250M
136

$100M - $250M
136

$1M - $10M
136

$186M
$50M - $100M
136

$430K
$50M - $100M
136

$25M - $50M
136

$500M - $1B
136

<$1M
136

$50M - $100M
136

$100M - $250M
136

$50M - $100M
136

$50M - $100M
136

$864K
$100M - $250M
136

$88M
$25M - $50M
136

$50M - $100M
136

$50M - $100M
136

$8.3M
$1M - $10M
136

$675M
$50M - $100M
136

$25M - $50M
136

$10M - $25M
136

$10M - $25M
136

$100M - $250M
136

$123M
$25M - $50M
136

$1M - $10M
136

$1M - $10M
136

$149M
$50M - $100M
136

$24M
$10M - $25M
136

$50M - $100M
136

Malta, Pietà, Pietà
$50M - $100M
136

$109M
$100M - $250M
136

$1M - $10M
136

$47M
$10M - $25M
136

$418M
$50M - $100M
135

$60M
$50M - $100M
135

$2.5M
$10M - $25M
135

$349M
$25M - $50M
135

$34M
$100M - $250M
135

$50M - $100M
135

$46M
$10M - $25M
135

$1M - $10M
135

$50M - $100M
135

$25M - $50M
135

$1M - $10M
135

$64M
$25M - $50M
135

$27M
$50M - $100M
135

$100M - $250M
135

$50M
$50M - $100M
135

$21K
$10M - $25M
135

$250M - $500M
135

$113M
$50M - $100M
135

$50M - $100M
135

$10M - $25M
135

$2.2M
$1B - $10B
135

$50M - $100M
135

$100M - $250M
135

$25M - $50M
135

$100M - $250M
135

$10M - $25M
135

$186M
$1M - $10M
135

$50M - $100M
135

$1M - $10M
135

$1B - $10B
135

$11M
$50M - $100M
135

$50M - $100M
135

$1M - $10M
135

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 SeedLegals, Smart Apartment Data and SysCloud.

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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