Slack Information
Summary
Slack is a public company that has been in the industry for 17 years. The company currently specializes in the Computer Software, Collaboration Software areas. The position of the Co-Founder & CEO is occupied by Stewart Butterfield. Its headquarters is located at San Francisco, California, USA. The number of employees ranges from 1.0K to 5.0K. The annual revenue of Slack varies between 500M and 1.0B. Total funding of the company - $5.8B. To connect with Slack employee register on SignalHire.
Organization Website | slack.com |
Social Links |    |
Phone Number | 415-630-7943 |
Industries | |
Headquarters Location | 500 Howard St, San Francisco, California, US |
Employees Size | 1000-5000 employees |
SIC Code | 7372 |
DMA Code | San Francisco Bay Area |
Founded | 2009 |
Estimated Annual Revenue | $500M - 1.0B |
Operating Status | Acquired |
Competitors
Founded | Type | Employees | Revenue | Funding | |
|---|---|---|---|---|---|
| 2011 | Privately Held | 25 - 100 | 25.5M | $38.6M | |
| 1975 | Public Company | 100K - 9.9M | 168.1B | $61M | |
| 2008 | Public Company | 25 - 100 | 50M | $142M | |
| 2012 | Privately Held | 500 - 1.0K | 222.3M | $807.6M |
Employees Turnover 4 quarter 2025
Number of employees switched from or switched to
Length of Employment
Employee tenure at Slack shows a diverse range of experience levels:
19% for 1–2 years33% for 3–4 years34% for 5–7 years11% for 8–10 years3% have over 11 years of service at SlackEx-employees positions
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