Hello dear employer,
Certainly, you will get the highest level of quality of correction or proofreading to have a content free from any errors whether they are related to grammar, readability, consistency, spelling, punctuation or any other existed errors besides removing any redundancy and vague phrases without affecting the meaning of the original content.
Concerning my qualifications, I'm highly qualified in English besides studying it in the United Kingdom for a certain period of time, which is equivalent to a Master degree research in English.
I look forward to chatting with you to share the file and start proofreading immediately as per your accurate requirements.
With best regards