NordVPN has been the front-runner for years but it's getting quite a bit of competition later. I'm not up on all the ins and outs but my boss is so I just get him to tell me what the best is. Same with the Firewall.
Here's the latest shake-down with the Top 10 VPN services.
https://www.top10vpn.com/best-vpn-f...9zErbjDW-eVG0pUwcsFol3AK749yJsVxoCKk4QAvD_BwE
I went with PrivateInternetAccess a few months back as it recommended by my boss who recently switched from a 10+ yr run on NordVPN.
https://www.privateinternetaccess.com
It's currently on sale for $1.89 month if you purchase a 24 months, ($45.36/2 years).
That's even better than when I purchased so I'm going to buy another 24 months.
The only drawback I've seen so far is that the VPN blocks outgoing gmail but I really don't send too many emails so it's easy enough to just disable, send and turn it back on.