[Company Letterhead]
Date: [DD/MM/YYYY]
TO WHOMSOEVER IT MAY CONCERN
Subject: Internship Completion Certificate
This is to certify that [Intern Name], a student of [College / University Name], successfully completed his/her internship with [Company Name] in the [Department] from [Start Date] to [End Date].
During the internship, he/she was assigned tasks relating to [brief description of work] and demonstrated a keen willingness to learn, strong commitment and a professional approach. His/her overall performance and conduct throughout the internship were found to be [satisfactory / very good].
We appreciate his/her contribution and wish him/her the very best for future academic and professional pursuits. This certificate is issued on his/her request.
Yours sincerely,
[Name]
[Designation, HR Department]