Article writing - repost

There are definitely a few problems there. For example, in one place, you imply you only have one client. The overall organization of the site is a bit off as well.

Sir. I won't say I am the best but my broad range of vocabulary makes me unique. I believe in completing task within time or before if possible, I put my best effort to do whichever task I get, that's my specialty. I am very much interested to work on your project. Please give me a chance. I will do task without any error and the writing will be 100% CS passed (Checked by myself You can trust me with this. You won't be disappointed for sure. With Best Regards AMIT

A proposal has not yet been provided

Sir May I know how many articles you are planned to Proofreading/editing/revision for grammar so that we can discuss further waiting for your response Sir

Hi, I am interested on this project. As a professor of English as well as a professional writer with over 20 years of experience at home and abroad including the UK I ensure you of delivering the project up to your requirement. Would you please consider my bid in consideration of my reviews, profile, language skill, portfolios, education and experience? Thank you.