Correct a document in proper British english

I am looking for a professional freelance editor who can correct a document written in proper British English. The document is a business plan, approximately 9000 words in length.

Skills and Experience:
- Strong command of British English grammar, spelling, and punctuation
- Experience in editing business documents, preferably business plans
- Attention to detail
- Ability to meet tight deadlines

The ideal candidate should be able to complete the editing within 48 hours.