Business website is a must in the time like this, when most people living online. Even your business need land base office and physical meet with your client, but website also important to give information to public about your business and attract new customer. To make great business website you need great web hosting.
If you just small business you can rent host server for the website. But if your business grows big, you will need extra and special space for the data. You will need your own server. Although you have your own server, the hosting is not easy if you do it by yourself. It need specialist technician for the maintenance and specific equipments to support the work. It is really expensive if you must hire specialist and buy the equipments, managed hosting service will be affordable choice. Professional helper will do the maintenance, back up, and security.
The server needs a good environment for it best performance. A place with good temperature control, high security and enterprises class is a good choice. And all of it you can find in colocation. You can pick single rack or multi racks, depend on what you need for your server.