Acknowledgment Letter For a Manager

To, 

[Receiver’s Name]

Dear [Name], 

This is to acknowledge that [Name] is the manager of the [Department] at [Company]. He/She has been holding this position of authority since [Date] with our trust. 

The person in question is a reliable and accomplished manager and heads operations smoothly.

OR

This is to acknowledge the assistance and guidance provided to me/us by [You]/[Name], as the manager of [Department and Company]. I/We would also like to extend my/our gratitude for the same. 

Thank you.

Sincerely,

[Sender’s Name]