US to UK English Localization, NEED NATIVE ONLY

I need an Excel file containing 4,000 words of survey content converted from US English to UK English.

Requirements:
- Follow UK English spelling and grammar rules
- Maintain the original format and structure of the document
- Use commonly accepted UK English terms

Ideal Skills:
- Proficiency in both US and UK English
- Strong attention to detail
- ONLY NATIVE VENDOR, BANGLADESH/PAKISTAN/AGENCIES, PLEASE STAY AWAY

Please provide your quote for this task.