All property tax bills are public in Montreal for example. My name is tied to the address literally on the city of Montreal official website.
The way to do it is to have your attorneys be the managers of your holding companies, then you can direct them (under privilege, afaik) to sign what you like. This is how I do it. Alternately if you have staff you trust and expect to have a long time (I don’t), they can be your holding company’s manager(s).