Yeah, Mullvad was searched and they shrugged and said “well, go ahead” and could then proudly publish that the Swedish authorities could take zero info from there: https://mullvad.net/en/blog/update-the-swedish-authorities-answered-our-protocol-request
Heck, if you want, you can pay with hard cash by mailing it with your payment token to their office. It’s pretty great when it comes to choice of privacy.