Apology Letters to manager.
Mishandling a Client Relationship

I am writing to sincerely apologize for my recent mishandling of a client relationship. I recognize that my actions have not only affected our client's trust but also reflected poorly on our team. I take full responsibility for this situation and understand the importance of maintaining strong client relationships. I am committed to learning from this experience and ensuring that it does not happen again in the future. Thank you for your understanding, and I appreciate the opportunity to rectify this matter. I look forward to your guidance on how best to proceed.