Here are some ideas on how to get a higher ranking in google.
1. submit articles
2. sign in guesbooks and write your website link plus make your website guest book.
3. submit as many articles as you can.
5. make blog for your website and up date daily if possible.
6. Exchange some links with websites.
7. make a newsletter system to catch some emails to tell them your updates.
8. make a free files on your website.
Following Material taken from google
How can I improve my site's ranking?
Sites' positions in our search results are determined based on a number of factors designed to provide end-users with helpful, accurate search results.
In general, webmasters can improve the rank of their sites by increasing the number of high-quality sites that link to their pages. For more information about improving your site's visibility in the Google search results, we recommend reviewing our webmaster guidelines. They outline core concepts for maintaining a Google-friendly website.