Regret Letter to Client for Accounting Mistakes

Date: dd/mm/yy

Client/Customer name…

Company/resident address….

Dear Sir/Madam,

Thanks for your recent correspondence with regards to your account number…… We were able to track down the mistakes and have absolutely credited your account accordingly. A report to this effect has additionally been sent to our credit reporting company.

As of this date, your account balance is (amount of money….).

With due respect to say that, you are a valued customer of our company and we apologize for any inconvenience this mix-up often have caused. If we can be of further assistance remember to contact with us at your convenience.

Faithfully yours,


Designation with signature….

Company name….