List of Companies Using Slack

Prospecting companies using Slack? Here they are, biggest first, including Genius AI, Itiviti and Learning Pool. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$71M
$100M - $250M
443

$1B - $10B
443

$50M - $100M
443

$50M - $100M
443

Estonia, Tallinn
$500M - $1B
443

$100M - $250M
443

$44M
$250M - $500M
443

$100M - $250M
443

$100M - $250M
443

$341M
$1M - $10M
442

$100M - $250M
442

$50M - $100M
442

$708M
$50M - $100M
442

$107M
$100M - $250M
442

Gibraltar, Gibraltar
$1M - $10M
442

$10M - $25M
442

$100M - $250M
442

$50M - $100M
441

$608K
$250M - $500M
441

$100M - $250M
441

$50M - $100M
441

$250M - $500M
441

$250M - $500M
441

$25M - $50M
441

$25M - $50M
441

$17M
$100M - $250M
441

$250M - $500M
441

$25M - $50M
440

$250M - $500M
440

$100M - $250M
440

$250M - $500M
440

$250M - $500M
440

$1.1B
$100M - $250M
440

$100M - $250M
440

$250M - $500M
440

$10M - $25M
440

$52M
$100M - $250M
440

$250M - $500M
440

$100M - $250M
439

$500M - $1B
439

$25M - $50M
439

$50M - $100M
439

$102M
$100M - $250M
439

Poland, Greater Poland, Poznań
$500M - $1B
439

$200K
$250M - $500M
439

$50M - $100M
439

$500M - $1B
439

$25M - $50M
439

$136M
$250M - $500M
439

$10M - $25M
438

$578M
$100M - $250M
438

$885M
$50M - $100M
438

$100M - $250M
438

$100M - $250M
438

$250M - $500M
438

$100M - $250M
438

$188M
$100M - $250M
438

$109M
$1B - $10B
438

Japan, Tokio, Kandaogawamachi
$250M - $500M
438

$174M
$100M - $250M
437

$1M - $10M
437

$100M - $250M
437

$250M - $500M
437

$25M - $50M
437

$100M - $250M
437

$284M
$250M - $500M
437

$50M - $100M
437

$250M - $500M
436

$10M - $25M
436

$50M - $100M
436

$100M - $250M
436

$100M - $250M
436

$77M
$250M - $500M
436

$100M - $250M
436

Thailand, Bangkok
$260M
$250M - $500M
436

$500M - $1B
436

$250M - $500M
436

$10M - $25M
436

$100M - $250M
436

$2.6M
$250M - $500M
436

$50M
$250M - $500M
436

El Salvador, San Salvador, San Salvador
$100M - $250M
435

$1M - $10M
435

Malta, Valletta, Valletta
$1B - $10B
435

$50M - $100M
435

$1.1B
$100M - $250M
435

$10M - $25M
435

$122M
$100M - $250M
435

$44M
$1B - $10B
435

$7.5K
$100M - $250M
435

$627M
$100M - $250M
435

$100M - $250M
435

$100M - $250M
435

$250M - $500M
435

$32M
$1M - $10M
435

$500M - $1B
434

$50M - $100M
434

$112M
$10M - $25M
434

$209M
$50M - $100M
434

$50M - $100M
434

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 Genius AI, Itiviti and Learning Pool.

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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