Broader market reach is one of the most important benefits of having a company site. You can even cater the international market if your company would set that target. Low cost advertisement would be the second one. Advertising virtually is much cheaper than traditional advertising. Faster and easier transaction would be the third. Actually, there are lots of benefits that await from a company who is planning of having an Internet presence. Mentioning a few I think is enough for you to plan your own company site. You'll learn more about it once you have one.
Glenn Evan Comanda, SEO for WebWorksfirst, For more details of his work, please visit http://www.webworksfirst.com