Send the brief. You get back the name of the specialist we would assign, exactly what the work covers, what it costs and how long it takes. No obligation, no phone number required, and nobody chases you afterwards.
The more you send, the more precise the figure. If you are missing something, send what you have — we will tell you what else we need.
You do not need all five. But each one you include removes a round of back-and-forth and makes the figure you get back firmer.
The PDF your department issued on thesis format, chapter structure and referencing. This is the single most useful document you can send, and most students forget it.
However rough. A half-finished chapter tells us more about the work involved than any description of it, and we would rather build on what you have than start over.
The marked-up file, not a summary. Margin notes carry information about what your supervisor actually wants that a paraphrase loses completely.
The date your faculty needs it, not a padded one. We plan backwards from it, and a fake deadline just gets you a price for work that was never urgent.