System1, Inc. provides omnichannel customer acquisition platform services through its proprietary responsive acquisition marketing platform in the United States, the United Kingdom, Canada, the Netherlands, and internationally.

It operates through three segments: Owned and Operated Advertising, Partner Network, and Subscription.

The company engages in the provision of acquiring traffic to its owned and operated websites, as well as revenue-sharing arrangements and related services.

It also operates MapQuest, a web-based navigation software that delivers turn-by-turn direction services to users; Info.com, a metasearch engine that consumers can use to search for relevant information; HowStuffWorks, a commercial website focused on helping people solve problems in their daily lives by using various types of digital media to easily breakdown and explain complex concepts, terminology and mechanisms; Startpage, a private search engine that allows users to browse and search the Internet in complete privacy; and CouponFollow for coupon destinations for online shoppers.

In addition, the company sells security software solutions comprising antivirus, adblock, and safe browsing software as a service subscription consisting of real-time antivirus protection, safe browsing, adblocking, blocking of malicious websites, and data breach monitoring to end-user customers, as well as provides additional add-on services.

The company is based in Los Angeles, California.