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Companies using Slack by Slack Technologies, Inc. in 2025

As of 2025, 22,426 verified companies use Slack – across industries, company sizes, and geographies. This is real, verified data. Whether you’re looking to analyze the market, build a target list, or get a sales edge – this is your starting point.

https://www.slack.com

What is Slack by Slack Technologies, Inc.?

Slack by Slack Technologies is a leading communication and collaboration platform designed to streamline workplace interactions. It facilitates real-time messaging, file sharing, and integrates with various business tools, fostering teamwork and productivity. It is mostly used by software development, information technology, and project management teams in almost all industries.

Last updated date

August 17, 2025

Number of Companies using

22,426

The majority are based in the

United States

Most common industry?

Manufacturing

Slack’s sample user list in 2025

Company Name

Country

Industry

Employees

Revenue

Product

Amazon

United States flag
United States

Apparel & Accessories Retail

1556000

$638B

Slack

Walmart

United States flag
United States

Department Stores, Shopping Centers & Superstores

2100000

$681B

Slack

Apple

United States flag
United States

Computer Equipment & Peripherals

150000

$395.8B

Slack

NVIDIA

United States flag
United States

Computer Equipment & Peripherals

36000

$130.5B

Slack

Microsoft

United States flag
United States

Database & File Management Software

228000

$261.8B

Slack

CVS Health

United States flag
United States

Drug Stores & Pharmacies

219000

$372.8B

Slack

Huawei

China flag
China

Telecommunication Equipment

197000

$99.4B

Slack

Samsung

South Korea

Telecommunication Equipment

267860

$203.4B

Slack

Google

United States flag
United States

Data Collection & Internet Portals

182502

$256.7B

Slack

IBM

United States flag
United States

Custom Software & IT Services

270300

$62.8B

Slack

Showing 10 of 22,426 results

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We have data on 22,426 companies that use Slack. Our Slack customers list is available for download and comes enriched with vital company specifics, including industry classification, organizational size, geographical location, funding rounds, and revenue figures, among others.

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Slack users and customers by country

United States flag
United States
United Kingdom flag
United Kingdom

2.6K Companies

France flag
France

2.6K Companies

Japan flag
Japan

2.6K Companies

Switzerland flag
Switzerland

2.6K Companies

Where Slack Shows Up Most

Slack is used across a wide range of sectors:

Manufacturing

Business Services

Custom Software & IT Services

Finance

Software

From lean startups to global enterprises, Slack’s footprint is wide, and that means opportunity.

sectors

How It Works

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This data is updated on August 17, 2025

Slack is a leading communication and collaboration platform designed to streamline workplace interactions. It facilitates real-time messaging, file sharing, and integrates with various business tools, fostering teamwork and productivity.

As of 2025, our data shows that 22,426 verified companies are using Slack.

Slack is used across various industries, company sizes, and geographies. It is commonly used by software development, information technology, and project management teams in almost all industries.

This data is real and verified, offering a starting point for market analysis, target list building, and gaining a sales edge.

Our Slack customers list is available for download and comes enriched with vital company specifics, including industry classification, organizational size, geographical location, funding rounds, and revenue figures, among others.