You will need official letterhead of your academic institution when you are about to make any formal declaration on behalf of your platform. If you need help in designing your letterhead, this Letterhead Template here would be helpful for you. It begins with your institute logo and contact details at the top.
You also have pre-defined space for the recipient’s name, address and date. The text below can be easily modified with your own letter data. The template concludes with your email id and website URL of your institution. It’s a high resolution file with free fonts. If you are looking for something with minimalist yet smart appeal, this letterhead mockup is the one for you.