Slack headquarters details
Location map
Open in Google MapsAll Slack office locations
| City | State / region | Country | Type |
|---|---|---|---|
| San Francisco HQ | California | United States | Headquarters |
About Slack
Slack (New York Stock Exchange (NYSE): WORK) is headquartered in San Francisco, California, United States. Founded in 2009, the company operates across 10 countries with approximately 2,545 employees worldwide.
Where is Slack's main office?
Slack's main headquarters office is located at 500 Howard Street, San Francisco, California 94105-3000. This serves as the company's primary corporate address and is home to its executive leadership team.
Slack regional offices
Beyond its headquarters in San Francisco, Slack maintains 31 offices across 10 countries. Regional offices span 10 countries.
Slack contact information
The main switchboard for Slack headquarters can be reached at 14156307943. For investor relations, visit slack.com/investor-relations.
What does Slack do?
Slack Technologies, LLC is an American software company founded in 2009 in Vancouver, British Columbia, known for its proprietary communication platform Slack. Outside its headquarters in San Francisco, California, Slack also operates offices in New York City, Denver, Toronto, London, Paris, Tokyo, Dublin, Vancouver, Pune, and Melbourne.
Frequently asked questions
Where is Slack headquarters?
Slack's headquarters is located at 500 Howard Street, San Francisco, California 94105-3000, United States.
How many offices does Slack have?
Slack operates 31 offices across 10 countries as of 2026.
What is Slack's corporate address?
The official corporate address is 500 Howard Street, San Francisco, California 94105-3000.
When was Slack founded?
Slack was founded in 2009 and has grown to employ approximately 2,545 people worldwide.
What is Slack's phone number?
The main phone number for Slack headquarters is 14156307943.