joomla site seo

Hello i have a joomla site that needs make better search engine results. i want you to do offsite seo and only whitehat links. The seo will be done for only 1 Keyword We are a website design company and have many clients. If you complete this project successfully then we will give you our other projects as well on a weekly basis...Right now i have 30 websites that need a good optimization but i want to do this one 1st to see that i have results. The rest of websites will accept a higher bid by you if we do well on this site. I will only accept the bid from a person who has a strong background in this kind of issues....