If you have a serious branding budget you could get the logo design done in a design contest at 99designs.com, logos start at $299.
Perhaps a marketing firm could help establish a corporate identity and brand name, trademark searches are needed to insure the name is not already used in your industry.
Be sure to poll westerners on the name selection to be sure there are no hidden meanings you are overlooking.
Doing web site name searches at domain name registrars is a backdoor method to identify names not already in use, these days if a .com name is available there is probably no business operating under that name.
There are sites with tools that help you come up with fictitious names, including: wordlab.com, naming.net, wordoid.com, lingzini.com, namestation.com, some of these tools look up the domain name availability as you go. Wordlab may have paid naming services as well.
If you want to check domain name availability of a list of several name ideas at a time, use a registrar bulk check function like this http://www.godaddy.com/bulk-domain-search.aspx