Mullvad has been part of the Tor community for many years now. They are a Shallot Level member (highest membership tier) of the Tor Project membership program and have been a founding member of the Tor Project's Membership Program.

When Mullvad approached us to jointly develop a browser, we said yes because there is great value alignment between our two organizations in our efforts to make privacy-enhancing technologies more widely available and make mass-surveillance impractical.