You can offers web services from your website. If you did not have website, you can create same for your own business for free. You only need to buy domain name and hosting space.
You can get affordable domain names, reliable web hosting packages from http://www.webstation7.com
Once you get both, just go to wordpress.org to download wordpress cms for free, upload entire cms at your hosting space and then open installer file in any browser like yourdomain.com/install.php and follow onscreen instructions to create your own website to offer your web services.