If you would like to congratulate someone for completing 25 years in the company, here is a simple template you can use to write a congratulations letter for completing 25 years of service.
We are writing you this letter to notify you that [Date] marks your twenty fifth anniversary with [name of firm]. Thank you very much for the twenty five years of your devotion, hard work, dedication, and loyalty to our company.
We value you, as well as our other highly capable staff members, as our company’s growth and success could not be reached without you. We recognize your great contributions in achieving the position we are currently at in this industry.
We hope that you will be with us in the following years. Congratulations on this anniversary.