Sample certificate format for giving testimonial

TO WHOM IT MAY CONCERN

This to certify that __________________________ has been working in our company for a period of _____years commencing from (starting date ), up to (ending date). He worked as an _______________(post/designation). He knows all about his duties. He is a painstaking, honest and sincere person. He knows ____________ (skills/ work)as well. I found him one circumstances and the well to improve his future prospects, we have relieved him of his duties.

We wish him a great success in life.