In Swedish here.
This company storess and manages a minimum of as insensitive personal data as possible behind physical shields, digital firewalls and two-factor authentication on a production computer, a backup disk and an email server within the borders of Sweden (EU member). Data is screened and purged every sixth month.
The company stores contact information in messages to the company (eg name, e-mail address), the personal information required by the Swedish Bookkeeping Act, as well as the name and e-mail addresses of prospective customers that they themselves have published on their websites.
Personal information is not shared.
Contact this company to find out if and if so, what information about you is stored and to request changes / deletions.