Professional Proofreading Needed

I am seeking a professional proofreader to conduct spell checks and grammar checks on my document. The document's specific type was not specified - it could be an article, research paper or website content. Therefore, the ideal candidate should be versatile and able to work on different types of documents.

The primary purpose of the document is also unspecified, but it is likely to be a mix of informative, persuasive and technical content. A good understanding of these different types of content and the ability to proofread accordingly is essential.

The tone of the document is professional, so the proofreader should ensure that the document conveys this tone consistently throughout. Experience in proofreading for professional contexts is highly desirable.