List of Companies Using Slack

Prospecting companies using Slack? Here they are, biggest first, including Algorithmics, Exponentia.ai and Mentimeter. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$500M - $1B
434

$50M - $100M
434

$112M
$10M - $25M
434

$209M
$50M - $100M
434

$50M - $100M
434

$1M - $10M
434

$250M - $500M
434

$107M
$250M - $500M
434

$10M - $25M
434

$50M - $100M
434

$500M - $1B
433

$100M - $250M
433

Egypt, Cairo, Cairo
$25M - $50M
433

$50M - $100M
433

$1M - $10M
433

$86M
$250M - $500M
433

$500M - $1B
433

$40M
$250M - $500M
433

$1B - $10B
433

$25M - $50M
433

$25M - $50M
433

$201M
$1M - $10M
433

$115M
$250M - $500M
433

$1B - $10B
433

$250M - $500M
433

$10M - $25M
433

$250M - $500M
433

$50M - $100M
432

$69M
$100M - $250M
432

$1M - $10M
432

$50M
$50M - $100M
432

$100M - $250M
432

$1M - $10M
432

$15M
$50M - $100M
432

$10M - $25M
431

$46M
$100M - $250M
431

$17M
$100M - $250M
431

$10M - $25M
431

$250M - $500M
431

$100M - $250M
430

$250M - $500M
430

$500M - $1B
430

$53M
$250M - $500M
430

$100M - $250M
430

$46M
$100M - $250M
430

$50M - $100M
430

$500M - $1B
430

$10M - $25M
430

$250M - $500M
430

$50M - $100M
430

$255M
$500M - $1B
430

$28M
$1B - $10B
429

$100M - $250M
429

$10M - $25M
429

$1.3B
$500M - $1B
429

$250M - $500M
429

$250M - $500M
429

$11M
$100M - $250M
429

$250M - $500M
429

$500M - $1B
428

$156M
$50M - $100M
428

South Korea
$100M - $250M
428

$1B - $10B
428

$260M
$250M - $500M
428

$100M - $250M
428

$6.5M
$25M - $50M
428

$500M - $1B
428

$50M - $100M
428

$49M
$100M - $250M
427

$100M - $250M
427

$1B - $10B
427

$500M - $1B
427

$25M - $50M
427

$185K
$250M - $500M
427

Ukraine, Lviv, Lviv
$50M - $100M
427

$50M - $100M
427

$100M - $250M
426

Thailand, Bangkok, Phra Khanong
$345M
$250M - $500M
426

Austria, Steiermark, Feldbach
$10M - $25M
426

$1B - $10B
426

$100M - $250M
426

$214M
$100M - $250M
426

$100M - $250M
426

$55M
$100M - $250M
426

$100M - $250M
426

$150K
$250M - $500M
425

$100M - $250M
425

$10M - $25M
425

$1B - $10B
425

$250M - $500M
425

$229M
$250M - $500M
425

$69M
$100M - $250M
425

$32M
$10M - $25M
425

$10M - $25M
424

$250M - $500M
424

$1M - $10M
424

$1M - $10M
424

$1.6M
$50M - $100M
424

$100M - $250M
424

$179M
$100M - $250M
424

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 Algorithmics, Exponentia.ai and Mentimeter.

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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