You can create a Google account just fine with your work email too. If Skype works for you that way there's no reason why using Hangouts has to be any different

You can create a Google account just fine with your work email too. If Skype works for you that way there's no reason why using Hangouts has to be any different. Here's where you can sign up: https://accounts.google.com/SignUp?hl=en https://accounts.google.com/SignUp?hl=en Click on the "I prefer to use my current email address" and you're good to go. You don't have to use that account for anything else and the same thing about someone leaving the company holds true.