In January 2019, Startpage became a part of System1 and continues to be headquartered in the Netherlands. As promised, we have kept all our commitments never to change our privacy practices as well as adding more helpful private search features. We do not collect or share personal data with anyone, including other divisions within System1.

This article contains a detailed explanation on the various contractual privacy protections we’ve put in place as a System1 company: https://support.startpage.com/hc/en-us/articles/5194985436948

And in an effort to provide further transparency we make available our private search data flow,
detailing how personal data is protected: https://support.startpage.com/hc/en-us/articles/4455570359188

Lastly, in regards to privacy add-ons, we generally find performance and functionality holds up pretty well with a host of different add-ons. If you are experiencing an issue with one or more of them, feel free to contact us at support@startpage.com.