I am a native English speaker from the USA. I teach English in Thailand -- especially writing, academic writing, and business English. I regularly do writing, proofreading, editing, and paraphrasing of documents locally for non-native English speakers. So, a project like this is very familiar to me. You can see examples of my writing, proofreading, and editing work under my Freelancer profile. Also, my profile shows high scores on several English skills tests from Freelancer as well as excellent reviews.
As requested, here is a sample.....
When he first strolled through at the real estate open house, he'd noticed it. In the basement wall, it seemed a strange place to have any door and even more so a bricked-up one. The real estate agent skirted around it. "Now, this is the furnace. It's natural gas. Over here is the washer-dryer", she intoned. Despite her monologue, his caught got caught on that part of the wall. The unformed question constructed and posited by that brickwork faded as the tour rolled on. It became nothing more than the smallest footnote in what was the manuscript of this dwelling. In truth, he’d even completely forgotten it all the way through the closing.
After all that bank work and endless paperwork, sign here, initial there, and so on, and so on, he was glad to putter up the white gravel drive in his old Volvo. The stones crunched under the wheels, and with each inch closer to the door, his excitement grew. ...