LinkedIn (/lɪŋktˈɪn/) is an American business and employment-oriented online service that operates via websites and mobile apps. Launched on May 5, 2003,[4] the platform is mainly used for professional networking, and allows job seekers to post their CVs and employers to post jobs. As of 2015, most of the company's revenue came from selling access to information about its members to recruiters and sales professionals.[5] Since December 2016, it has been a wholly owned subsidiary of Microsoft. As of June 2021, LinkedIn had 756 million registered members from 200 countries and territories.[3]

LinkedIn homepage
Type of businessSubsidiary
Type of site
Professional network service
Available inMultilingual (24)
FoundedMay 5, 2003; 18 years ago (2003-05-05)
Mountain View, California, U.S.
Area servedWorldwide
Founder(s)Reid Hoffman
CEORyan Roslansky
Key people
Revenue US$ 10 Billion (2021)
Net income US$ —159.2 Million (2021)
Employees20,000 (2021)[3]
SubsidiariesLinkedIn Learning
AdvertisingGoogle, AdSense
Users740 million members (February 2021)[3]
LaunchedMay 5, 2003; 18 years ago (2003-05-05)
Current statusActive

LinkedIn allows members (both workers and employers) to create profiles and "connect" to each other in an online social network which may represent real-world professional relationships. Members can invite anyone (whether an existing member or not) to become a "connection".[6]