Here is a sample of a formal request:
Sample 1: Formal Request for Salary Increment
[Your Name]
[Your Address]
[City, State, Zip Code]
[Email Address]
[Phone Number]
[Date]
[Recipient’s Name]
[Recipient’s Job Title]
[Company Name]
[Company Address]
[City, State, Zip Code]
Dear [Recipient’s Name],
I hope this letter finds you well. I am writing to discuss my current compensation and to formally request a salary increase. I have thoroughly enjoyed working at [Company Name] over the past [duration of employment] and am enthusiastic about continuing to contribute to the growth and success of the company.
Since joining [Company Name], I have taken on increased responsibilities and have consistently met and exceeded performance expectations. I have [mention specific accomplishments or projects] which have positively impacted the company’s bottom line.
In light of my contributions and the market value for my role in the industry, I believe it is appropriate to reevaluate my current salary. I have researched industry standards and believe that a salary adjustment would reflect my dedication and the value I bring to the team.
I kindly request that we discuss this matter at your earliest convenience. I am open to arranging a meeting to further elaborate on my contributions and how they align with the company’s goals.
Thank you for considering my request. I look forward to your response.
Sincerely,
[Your Name]
source: https://optisalary.com/blog/how-and-when-to-write-salary-increment-request-letter-with-10-samples
(there's 9 more samples on this link that are worth checking out)