List of Companies Using Slack

Prospecting companies using Slack? Here they are, biggest first, including Purple Heart Homes, Inc., RADICL and Raison. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
68

$46M
$50M - $100M
68

Estonia, Harjumaa, Tallinn
$1.9M
$500M - $1B
68

$16M
$50M - $100M
68

$64M
$25M - $50M
68

$50M - $100M
68

$47M
$50M - $100M
68

$50M - $100M
68

$22M
$25M - $50M
68

$64M
$25M - $50M
68

$3.4M
$10M - $25M
68

$521M
$25M - $50M
68

$50M - $100M
68

$10M - $25M
68

$100M - $250M
68

$1M - $10M
68

$202M
$50M - $100M
68

<$1M
68

$80M
$25M - $50M
68

$1.3M
$25M - $50M
68

$500K
$25M - $50M
68

$65M
$50M - $100M
68

$12M
$50M - $100M
68

Austria, Vienna, Vienna
$12M
$1M - $10M
68

$50M - $100M
68

$10M - $25M
68

$30M
$100M - $250M
68

$93M
$50M - $100M
68

$250M - $500M
68

$1B - $10B
68

$50M - $100M
68

$1M - $10M
68

$50M - $100M
68

$1M - $10M
68

$24M
$25M - $50M
68

$25M - $50M
68

$38M
$10M - $25M
68

$1M - $10M
68

<$1M
68

$3M
$50M - $100M
68

$100M - $250M
67

$10M - $25M
67

$100M - $250M
67

<$1M
67

$25M - $50M
67

$61M
$50M - $100M
67

$1M - $10M
67

$25M - $50M
67

$1M - $10M
67

$10M - $25M
67

$294M
$25M - $50M
67

$10M - $25M
67

$1M - $10M
67

$109M
$10M - $25M
67

<$1M
67

Lithuania, Vilniaus Apskritis, Vilnius
$1M - $10M
67

$1M - $10M
67

$10M - $25M
67

$2.5M
$25M - $50M
67

$25M - $50M
67

$49M
$25M - $50M
67

<$1M
67

$50M - $100M
67

$3M
$25M - $50M
67

$544M
$25M - $50M
67

$25M - $50M
67

$1M - $10M
67

$8.5M
$25M - $50M
67

$77M
$25M - $50M
67

$55M
$25M - $50M
67

$7.4M
$1M - $10M
67

$65M
$25M - $50M
67

$58M
<$1M
67

$50M - $100M
67

$250K
$10M - $25M
67

$550M
$25M - $50M
67

$25M - $50M
67

$50M - $100M
67

$100M - $250M
67

$89M
$1M - $10M
67

$25M - $50M
67

$1M - $10M
67

$50M - $100M
67

$25M - $50M
67

$1.7M
$1M - $10M
67

$1M - $10M
67

$71M
$25M - $50M
67

Turkey, Istanbul, Sarıyer
$100M - $250M
67

Poland, Masovian, Warsaw
$3.2M
$1M - $10M
67

$9.3M
$10M - $25M
67

$10M - $25M
67

$1M - $10M
67

$50M - $100M
67

$500M - $1B
67

$10M - $25M
67

$1M - $10M
67

$50M - $100M
67

$1M - $10M
67

$50M - $100M
67

$25M - $50M
67

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 Purple Heart Homes, Inc., RADICL and Raison.

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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