Slack Competitors and Similar CompaniesClear all

Slack's competitors and similar companies include Telegram, Flock, Mattermost and Microsoft Teams.
Slack
Slack
Slack Technologies is a company developing collaboration software.
Telegram
Telegram
Telegram is a messaging app with a focus on privacy, security and speed.
Flock
Flock
Flock is a technology company providing a communication and collaboration app for engineering, sales, marketing, product, human resource, and customer support teams.
Mattermost
Mattermost
Mattermost is a company developing a messaging solution across web, desktop, and native mobile devices.
Microsoft Teams
Microsoft Teams
Microsoft Teams is a business communication platform developed by Microsoft.
Founding Date
Founding Date
2009
Founding Date
2013
Founding Date
2014
Founding Date
2011
Founding Date
2017
Type
Type
Subsidiary
Type
Private
Type
Private
Type
Private
Type
Subsidiary
Tags
Locations
Locations
San Francisco, US HQ
Pune, IN
Dublin, IE
Denver, US
San Francisco, US
Locations
Dubai, AE HQ
Locations
رأس الخيمة, AE HQ
Locations
Palo Alto, US HQ
Locations
HQ
Employees
Employees
3,6602% decrease
Employees
9765% increase
Employees
941% increase
Employees
1664% decrease
Employees
N/A
Twitter followers
Twitter followers
461.3 k
Twitter followers
1.5 m
Twitter followers
14.8 k
Twitter followers
12.2 k
Twitter followers
436 k
Number of tweets (last 30 days)
Number of tweets (last 30 days)
654
Number of tweets (last 30 days)
171
Number of tweets (last 30 days)
N/A
Number of tweets (last 30 days)
77
Number of tweets (last 30 days)
499
Average likes per tweet (last 30 days)
Average likes per tweet (last 30 days)
0.7
Average likes per tweet (last 30 days)
398.4
Average likes per tweet (last 30 days)
N/A
Average likes per tweet (last 30 days)
1.9
Average likes per tweet (last 30 days)
2.4
Percentage of tweets with engagement (last 30 days)
Percentage of tweets with engagement (last 30 days)
34.1%
Percentage of tweets with engagement (last 30 days)
90.64%
Percentage of tweets with engagement (last 30 days)
N/A
Percentage of tweets with engagement (last 30 days)
84.42%
Percentage of tweets with engagement (last 30 days)
35.87%
Employee Rating
Employee Rating
4.6
Employee Rating
N/A
Employee Rating
3.9
Employee Rating
4.2
Employee Rating
N/A

Funding

Latest funding round
Latest funding round
N/A
Latest funding round
$ 850m (over 6 years ago)
Latest funding round
$ 15m (over 15 years ago)
Latest funding round
$ 50.4m (over 4 years ago)
Latest funding round
N/A
Total funding raised
Total funding raised
$ 1.3b
Total funding raised
$ 1.7b
Total funding raised
N/A
Total funding raised
$ 70.4m
Total funding raised
N/A
For sources of this data, please see the company profile

View Company Profiles

Telegram
HQ
Dubai, AE
Employees
976↑ 5% increase

Telegram is a messaging app with a focus on privacy, security and speed.

View company
Flock
HQ
رأس الخيمة, AE
Employees
94↑ 1% increase

Flock is a technology company providing a communication and collaboration app for engineering, sales, marketing, product, human resource, and customer support teams.

View company
Mattermost
HQ
Palo Alto, US
Employees
166↓ 4% decrease

Mattermost is a company developing a messaging solution across web, desktop, and native mobile devices.

View company
Microsoft Teams
HQ

Microsoft Teams is a business communication platform developed by Microsoft.

View company