Apology Letter to Boss

Dear {Mr./Ms. Last Name}

I would like to express my deep regrets for {action} and apologize for my actions. It was inappropriate, disrespectful and lacked the professionalism that you and my colleagues expect from an employee at {Company Name}.

While I cannot alter what has transpired, I have taken steps to ensure that similar incidents and misunderstandings will not occur in the future.

I value our professional relationship and firmly believe that our teamwork will continue to produce solid work that will benefit {Company Name} and our{customers/clients}.

Sincerely,
{Your Name}