Last year Google rebranded their business apps to G Suite. This quick video may help you decide if this Google product is worth exploring further!
Lots of hype in the press and in the market seems to indicate that companies should be saving significant amount of money by moving to the cloud. In reality this is not really the case, more often than not a cloud solution maybe even more expensive than the existing solution. However, when comparing apples with apples it maybe that a cloud computing solution offers far more functionality, scalability and availability.
Make sure your email client is set up to display your name and email address correctly. Use a meaningful name for yourself, e.g. "Patrick O'Conner" or "ABC Windows". Do not use non-specific names or names which won't mean anything to some people, e.g. "Buddy" or "The Girls".
Most people tend to want to go for a .com, but getting the domain name you really want maybe more difficult as many .com's have already been registered. Going for a country specific domain registration will mean you have a better chance of getting what you want and it immediately tells others where you are based.