Need english proofreeding of 48 000 words

I need help getting proofread some english text for a client. Document text is tender documents for a industrial company. All glossary and professional words is checked from our side, so the proofreading is only to make sure that the grammar is okay. Preferabely handled in pdf-format, but can also provide word-documents. 16 single documents, with a total word count of 48000 words, combined.
The job has to be done in one week from today, with delivery during tuesday 28th of november.