LinkedIn is a business and employment-focused social media platform that works through websites and mobile apps. Launched on May 5, 2003, owned by Microsoft. The platform is primarily used for professional networking and career development, and allows job seekers to post their CVs and employers to post jobs. From 2015 most of the company's revenue came from selling access to information about its members to recruiters and sales professionals. Since December 2016, it has been a wholly owned subsidiary of Microsoft. As of February 2022, LinkedIn has 830+ million registered members from over 200 countries and territories.

Skillsz is a pre-employment talent screening, assessment, and shortlisting platform enabling tech companies to measure developers’ skills online and hire the most promising developers.

Perfect is a talent finding platform that provides recruiting services. It is a system for spotting and engaging potential candidates. The company's contact mode is at its physical address.