How To Write A Letter For Increment Of Salary . A salary increase letter is sent by an employee to an employer stipulating why they think they deserve a salary increase. Then explain the letter’s general purpose which is to ask for an increase in. 50 Best Salary Increase Letters (How To Ask For A Raise?) ᐅ TemplateLab from templatelab.com Typically, an individual undergoes a review by. For the past (insert amount of time), i have been part of this wonderful company and i continue to treasure my time here. Here’s how to write a salary increase letter, schedule a meeting with your boss, and follow up to get your next raise.