Alternatives to Proton VPN

The top AI companies similar to Proton VPN, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.

Tailscale74
CybersecuritySan Francisco, United States$505.0M
NordVPN71
CybersecurityPanama City, Panama$100.0M
Surfshark38
CybersecurityVilnius, Lithuania

Company	Sector	HQ	Funding	Score
Tailscale	Cybersecurity	San Francisco, United States	$505.0M	74
NordVPN	Cybersecurity	Panama City, Panama	$100.0M	71
Surfshark	Cybersecurity	Vilnius, Lithuania	—	38