List of Companies Using Slack

Prospecting companies using Slack? Here they are, biggest first, including Five Star Solutions, Funnel and HRG North America. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$25M - $50M
405

$214M
$50M - $100M
405

$1B - $10B
405

$100M - $250M
405

$100M - $250M
405

$100M - $250M
405

$93M
$100M - $250M
405

$250M - $500M
405

$100M - $250M
405

$119M
$50M - $100M
405

$250M - $500M
405

$100M - $250M
405

$100M - $250M
405

$10M
$100M - $250M
405

$26M
$25M - $50M
405

$50M - $100M
404

$250M - $500M
404

$10M - $25M
404

$500M - $1B
404

$100M - $250M
404

$50M - $100M
404

Romania, București, Bucharest
$1M - $10M
404

$250M - $500M
404

$10M - $25M
404

$250M - $500M
404

$50M - $100M
404

$17M
$100M - $250M
404

$1M - $10M
404

$100M - $250M
404

$78M
$100M - $250M
404

$250M - $500M
404

$10M - $25M
404

$100M - $250M
403

$1B - $10B
403

$50M - $100M
403

$100M - $250M
403

$18M
$250M - $500M
403

$66K
$50M - $100M
403

$250M - $500M
403

$100M - $250M
403

$250M - $500M
403

$500M - $1B
402

Poland, Masovian, Warsaw
$25M - $50M
402

$25M - $50M
402

$10M - $25M
402

$100M - $250M
402

$250M - $500M
402

$25M - $50M
402

$1B - $10B
402

$1M - $10M
402

$50M - $100M
402

$4B
$1B - $10B
402

$56M
$250M - $500M
402

$100M - $250M
402

$500M - $1B
402

$100M - $250M
402

$100M - $250M
402

$165M
$100M - $250M
402

$287M
$100M - $250M
401

$2.1B
$250M - $500M
401

$165M
<$1M
401

$100M - $250M
401

$50M - $100M
401

$10M - $25M
401

$100M - $250M
401

$1B - $10B
401

$50M - $100M
401

$250M - $500M
401

$10M - $25M
401

$10M - $25M
401

$404M
$100M - $250M
400

$82M
$50M - $100M
400

$242M
$500M - $1B
400

$25M - $50M
400

$250M - $500M
400

$1M - $10M
400

$250M - $500M
400

$250M - $500M
400

$1M - $10M
400

$25M - $50M
400

$252M
$100M - $250M
399

$50M - $100M
399

$1M - $10M
399

$25M - $50M
399

$10M - $25M
399

$50M - $100M
399

$11M
$1B - $10B
399

$250M - $500M
399

$10M - $25M
399

$25M - $50M
399

$75M
$100M - $250M
399

$1.3M
$500M - $1B
399

$1M - $10M
399

$122M
$100M - $250M
399

$2M
$100M - $250M
398

$100M - $250M
398

$100M - $250M
398

$30M
$10M - $25M
398

$145M
$100M - $250M
398

$100M - $250M
398

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 Five Star Solutions, Funnel and HRG North America.

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.

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.