Yes, if you have a website, or if you are planning to operate a website, you will need a hosting service. A hosting service will rent out webspace to you on which to store your public files, to allow them to be accessible to anyone in the world, 24 hours a day, 365 days a year.

A hosting service will provide you with the space to store your files, the technology to develop your pages, and serve them to internet users. They will also make sure that everything is up and running, and provide you with technical support. A hosting service can also take care of your domain name's zones and DNS settings, and provide you with e-mail solutions.