Low-key HQ is normal, as they often share office buildings and external signs need approval/permits. I expect tha5 is also the case in the US, right? I am sure they have a name badge at the first floor, as that is common.

> 300 people What did you expect, thousands?

It mentioned the lobby also, not just external signage. Yes, it's unusual to be that low profile.

I did not have expectations about the number, but now there is a number.

> it's unusual to be that low profile.

Perhaps I got too used to this ;-)