1.     Get more revenue and business from new customers
2.     Improve company and product quality;
3.     Increase customer satisfaction with your products
4.     Document, understand, and communicate your company processes .
5.     Develop a professional culture and better employee morale.
6.     Improve the consistency of your operations;
7.     Keep management and employees focused on quality;
8.     Improve efficiency, reduce waste and save money;
9.     Achieve international quality recognition.
10.     Increased sales and market share.

For further information about the ISO Certification process benefits you could have a look at this site: http://www.iso.org/iso/home/news_index/news_archive/news.htm?refid=Ref1665