Hi dear client,
Certainly, you will get the highest level of quality and accuracy of proofreading to your article so as to be completely free from any kinds of errors whether they are related to grammar, punctuation, typos, syntax, readability, consistency or any other possible errors.
I have already done proofreading here and the client was completely satisfied with my proofreading; here's a link below:
https://www.freelancer.com/projects/proofreading/Proofreading-29759423.html
Concerning my qualifications, I'm highly qualified in English besides studying it in the United Kingdom for a certain period of time on a basis of an educational mission there.
I look forward to chatting with you to share the article and start right now.
With my best regards