Do you want to be absolutely certain that in addition to its content, your German text is well presented in terms of form and structure? In that case, your texts may be in need of professional correction. In such a correction, I examine your text for errors in the following areas:
Simply give me a call, and we can then discuss whether correction is the appropriate solution for your actual situation.
If an examination of orthography, punctuation, grammar, and hyphenation is not sufficient, because your text is very important for you and the style must also be right, then proofreading may well be the method of choice. You will find more about proofreading here.