
The number of customers using paid service functions and spending on them more than 100 thousand dollars a year increased by 84% over the year and amounted to 645.Īs of February 2015, Slack had 500 thousand users. The number of subscribers using paid Slack features by the end of April 2019 year amounted to 95 thousand users.

Net losses compared to these periods decreased slightly - from $140.1 million to $138.9 million.

Performance indicators 2019: Revenue - $400.6 million, losses - $138.9 millionĪccording to the results of the financial year closed on January 31, 2019, Slack received revenue of $400.6 million, which is almost twice the figure of a year ago ($220.5 million). Slack can integrate with services such as Google Drive, Trello, Dropbox, Box, Heroku, IBM Bluemix, Crashlytics, GitHub, Runscope and Zendesk.

The name Slack comes from the phrase "Searchable Log of All Conversation and Knowledge," that is, "Journal of conversations and data with the search function." Slack allows team members to communicate in channels, private groups and directly with each other, as well as search the contents of conversations. Slack is a corporate messenger created by Stewart Butterfield and launched in February 2014.
