Companies that use Slack

Analyzed and validated by Henley Wing Chiu

Slack We detected 343,063 customers using Slack, 25 companies that churned or ended their trial, and 259 customers with estimated renewals in the next 3 months. The most common industry is IT Services and IT Consulting (6%) and the most common company size is 51-200 employees (36%). Our methodology involves discovering URLs with known URL patterns through web crawling, certificate transparency logs, or modifications to subprocessor lists.

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Company Domain Employees Industry Region YoY Headcount Growth Usage Start Date
Prove 201–500 Software Development US +28.6% 2025-12-09
Ropers Majeski PC 201–500 Law Practice US +74.5% 2025-12-09
Green Man Gaming 51–200 Computer Games GB +9% 2025-12-09
OPTIMAX ENERGY GmbH 11–50 Renewables & Environment DE +4.3% 2025-12-09
Norm Ai 51–200 Software Development US +366.7% 2025-12-08
Nautilus Biotechnology 51–200 Biotechnology Research US -19.5% 2025-12-08
Mynt Systems 11–50 Renewable Energy Semiconductor Manufacturing US +15.2% 2025-12-08
SiteMinder 1,001–5,000 Software Development AU +13% 2025-12-08
Neon Canvas 51–200 Advertising Services US +15.6% 2025-12-08
MarketWise 501–1,000 Technology, Information and Media US N/A 2025-12-08
LENZ Therapeutics 51–200 Pharmaceutical Manufacturing US +287.8% 2025-12-08
Maintastic 51–200 Software Development DE -5.6% 2025-12-08
DomainTools 51–200 Computer and Network Security US -4.2% 2025-12-08
pixiv Inc. 51–200 Information Technology & Services JP N/A 2025-12-07
Converge Insurance 11–50 Insurance US +34.2% 2025-12-07
Coda 501–1,000 Technology, Information and Internet SG N/A 2025-12-07
Cerebras 501–1,000 Semiconductor Manufacturing US +55.1% 2025-12-06
Oakland Public Education Fund 11–50 Education Management US N/A 2025-12-06
Animoca Brands 201–500 Technology, Information and Internet HK +17.4% 2025-12-06
VGW 1,001–5,000 Entertainment Providers AU +8.7% 2025-12-06
Showing 1-20 of 343,063

Market Insights

🏢 Top Industries

IT Services and IT Consulting 18825 (6%)
Software Development 17577 (6%)
Financial Services 12237 (4%)
Hospitals and Health Care 11495 (4%)
Advertising Services 9053 (3%)

📏 Company Size Distribution

51-200 employees 122448 (36%)
201-500 employees 67072 (20%)
11-50 employees 63559 (19%)
501-1,000 employees 33489 (10%)
1,001-5,000 employees 31728 (9%)

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