What 7 companies are owned by Google Alphabet?

7 Major Companies Owned by Google’s Parent, Alphabet

When people think of Google, they often picture the world’s most popular search engine. But under its parent company, Alphabet Inc., Google is just one part of a much broader tech ecosystem. Since its restructuring in 2015, Alphabet has expanded its reach through strategic acquisitions, bringing several innovative companies under its umbrella.

One of the most well-known acquisitions is YouTube, the video-sharing giant purchased in 2006. With billions of users, YouTube remains a cornerstone of digital content and advertising. Another major player is Waze, the community-driven navigation app that reshaped how people avoid traffic in real time.

DoubleClick, acquired back in 2007, powers digital advertising for countless websites and remains vital to Alphabet’s ad-driven revenue. In the smart home space, Nest brought thermostats, cameras, and security systems into the connected home era, further integrating Google into daily life.

Data analytics got a boost with the purchase of Looker, a business intelligence platform that helps companies make sense of large datasets. Then there’s Fitbit, the fitness tracker pioneer, which expanded Google’s footprint in wearable technology and health monitoring—though Google has since shifted focus away from producing new Fitbit devices.

And in a move aimed at strengthening cybersecurity, Alphabet acquired Mandiant, a leading threat intelligence and incident response firm. This acquisition underscores Google’s growing commitment to enterprise security in an era of escalating cyber threats.

Together, these companies illustrate how Alphabet has evolved far beyond search. While Google remains its cash cow, the broader portfolio reflects a diversified tech giant shaping the future of advertising, mobility, health, and digital safety—all under one corporate roof.