ProtonMail team here. The above is not correct. ProtonVPN is developed and operated by ProtonMail. However, it exists as a separate legal entity for security reasons. This is to avoid ProtonMail getting banned in jurisdictions where VPNs are illegal. An example is China where ProtonVPN is banned, but ProtonMail is permitted. Had they been the same company, both would have been banned together. So from the legal standpoint, we put as much separation as possible between ProtonMail and ProtonVPN.

Like ProtonMail, the ProtonVPN team is distributed, split between Geneva, Skopje, Vilnius, and San Francisco. Tesonet (one of the biggest IT firms in Vilnius) was previously used as outsourced HR before we incorporated our own entity in Vilnius. We have similar arrangements for our staff in San Francisco, Prague, and Skopje. The above poster's intentions are a bit suspect, given that he's the co-founder of PIA...