SEO Expert Required

I am looking for someone who can help me get a top 5 or higher ranking and who can optimise my website for a keywords related to the website. You must be able to do this by using white hat SEO techniques, have good background of SEO and have proof from previous clients and be able to show examples of your work. You must also provide me with a report outlining how you will improve the site before commencing work and a weekly or daily report to keep me up to date. You must also be able to give a timeframe to do the job and and a timeframe for when the results will be visible to see on google etc. I am looking for someone to work with long term as i have another website that could do with the same optimization process and i will looking for the same person to work on that site if they can prove on the first website that they can produce results. I will also be looking to use you every few months just to keep on top of the site and keep improving its position. There will be no upfront payments and payment will only be made on a satisfactory google ranking of 5 or above.