Slack Competitors and Similar CompaniesClear all

Slack's competitors and similar companies include Symphony and Microsoft Teams.

	Slack Slack Technologies is a company that develops an AI-powered productivity platform.	Symphony Symphony Communication Services (previously known as Perzo) is a company that provides software solutions for the financial services industry.	Microsoft Teams Microsoft Teams is a business communication platform developed by Microsoft.
Founding Date	Founding Date 2009	Founding Date 2014	Founding Date 2017
Type	Type Subsidiary	Type Private	Type Subsidiary
Tags	Tags Technology artificial intelligence cloud services(SaaS)platform	Tags Technology cloud platforms(PaaS)connectivity enterprise software messaging systems integrator	Tags Technology cloud services(SaaS)enterprise software messaging platform scheduling video conference workforce management
Locations	Locations San Francisco, US HQ Pune, IN Dublin, IE San Francisco, US	Locations New York, US HQ Biot, FR Paris, FR Hong Kong, HK Tokyo, JP Singapore, SG Stockholm, SE see more	Locations Redmond, US HQ
Employees	Employees 3,1813% decrease	Employees 7721% increase	Employees N/A
Funding
Total funding raised	Total funding raised $ 1.3b	Total funding raised $ 461m	Total funding raised N/A

For sources of this data, please see the company profile

New York, US

Employees

772↑ 1% increase

Symphony Communication Services (previously known as Perzo) is a company that provides software solutions for the financial services industry.

Redmond, US

Microsoft Teams is a business communication platform developed by Microsoft.

Funding