Letterhead Alteration & Mail Merge

I already have my letterhead in a Word (DOCX) file and now need it refined—minor layout tweaks, font consistency, maybe a quick color adjustment—before you run a mail merge. The merge will pull only names and addresses from a Google Sheets spreadsheet that I’ll share... (Budget: $30 - $250 USD, Jobs: Data Entry, Google Sheets, Graphic Design, Microsoft Word, PDF, Print Design, Stationery Design, Word)