SEO -on page optimization

Hi anybody, I am looking for a professional team who do on page optimization for us ! We just need to optimize 5-6pages ,maybe it is at most 10pages . We suggest onpage optimization should include the folliwing service items : meta-title\keyword\description; page SEO-H1\H2 and word onpage; code seo-html\JS\css\…… keyword research: (easy\difficult\very difficult) Title Tag Optimization [login to view URL] Optimization W3c Validation Working on HTML Source Code Image & Hyperlink Optimization(include Broken Link Check） Header Tag Optimization Pls tell me about your price and the term of payment and time of you need to finish one project ! If you can ,pls let me know about the wesites you have researched including the keywords you have reareached and ranking in Google and so on ! Pls offer us a favorable price ! If you are interested in this project what I saied ,pls don't hesitate to contact me !Thanks!