To whomsoever It May Concern
This letter is to certify that ___________has worked in our organization as [designation] in our [department name] at [location]. He worked with us for the duration from dd/mm/yyyy till dd/mm/yyyy.
During the tenure of his employment with us, we have found him to be sincere and hardworking.
We wish him all the best for his future endeavors.
For Name of the company
Name of Authorized Signatory