How does a company begin to offer web hosting services?

Hosting Website - Hire a designer to get your own hosting website designed in a very professional manner. Some hosting companies may also provide you free hosting templates with their hosting packages so that you can just change the content in the template and you are ready to go. Hosterio too provides you free Web Hosting templates for your website.

Billing Software - Its very necessay to have a billing software installed on your web hosting website so that your clients may place their order and renew it on time. Billing softwares allow you to manage your clients and orders. You can integrate online payment gateways also in those softwares so that you may accept payments through credit card.

Some of the popular billing scripts are Accounts lab pro, Modernbill, Clientexec, Whmautopilot.

Payment gateway - Accepting online payments is must for any hosting company. You should signup for an merchant account so that you accept online payments. Some of the popular payments gateways are 2checkout, Ccavenue, Authorise.net, Worldpay etc

Additionally you may sign up with PayPal too so that you can accept payments from people who have a paypal account.

Support software - provides proper support to your hosting customers is very very important else they will switch to your competitior. Its always good to have support sofwtare installed on your website so that customers can open support tickets incase they have any issues or questions.

Some of the popular support scripts are Kayako Esupport, Cereberus, Perldesk, Deskpro etc

Advertising and Marketing - After you have integrated everything and your site is online you should advertise your business in directories, search engines, other popular websites etc.

You may also purchase advertsing with google adWords and that too can bring a good business to you.