Where is Slack Corporate office Headquarters

Slack Headquarters Address and Contact

Slack Logo
  • Address: 500 Howard St, San Francisco, CA 94105, USA
  • Phone Number: 415-579-9122
  • Fax Number: 415-501-9196
  • Email: N/A
  • Number of Employees: N/A
  • Established: 2009
  • Founder: Stewart Butterfield, Cal Henderson
  • Key People: John O’Farrel (Director)

Slack Headquarters Location & Directions

Slack Headquarters Executive Team



 Stewart Butterfield

Chief Executive Officer

Allen Shim

Chief Financial Officer

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About Slack, History and Headquarters Information


Slack was founded in the year 2009. The company has been operational for almost ten years now. The founders of the company were Serguei Mourachov, Eric Costello, Stewart Butterfield and Cal Henderson. The former name of the company was Tiny Speck. In the year 2009, the company had received a funding of $1.5 million, which was followed by a $5 million financing in the year 2010. The following year, the company had again received a funding of $10.7 million. The first product of the company was a computer video game, known as the Glitch. It was an MMORPG with 2D graphics. The game was launched in the year 2011 but was removed at a later point of time for improving the gameplay. Then in the year 2012, it was reported that the company would be shutting down the game and also its online servers as well.

After the close down of Glitch, the company had acquired funding of $17 million. The company then released a software known as Slack, and thus renaming the company to the same as well, in the year 2014. The same year, the company again raised an amount of $42.7 million, along with another $120 million as well. The following year, the company had signed a deal with its investors for funding of $160 million, which valued the company to almost $2.7 billion. In the year 2016, the company had again raised an amount of nearly $200 million. The same year, the company was ranked at No.1 on the Forbes Cloud 100 list. By the year 2017, the company had received an amount of funding of almost $841 million and also made the company's valuation at $5.1 billion. It was reported that the company would be filling an IPO or Initial Public Offering in order to go public. As of the year 2019, the company had filed for an S-1 for going public, similar to that of Spotify. The headquarters of the company is based in 500 Howard Street. The name of the place is San Francisco, while the state name is California, USA. The pin code of the area is 94105.


Slack is an American company that focuses on the designing and development of various kinds of software programs and also computer video games as well, for its consumers. The current CEO of the company is Stewart Butterfield. As of the year 2016, the total revenue generated by the company is more than $64 million. Also, as of the year 2018, the total number of employees working at the company is more than 1,000. The company has its offices in various cities around the world, namely - New York City, Tokyo, London, Toronto, Melbourne, Paris, Hong Kong, etcetera.


The primary services provided by the company include allowing customers and clients to use the cloud-based software and the online computer game, developed and designed by the company itself. The company also provides cloud-based services as well.

Slack Headquarters Photos