Reply to a complaint letter

  1. Sender's adress
  1. Date
  1. Recipient's adress

Salutation

Dear (Contact Person/Company)

Link to the letter of complaint

Re: (number+date)

Problem statement

Thank you for the letter regarding ..

Body paragraph

Closing paragraph

Solution to problem

I cannot apologize enough for...

I am writing to apologize for...

I must apologize profusely for...

Please accept my sincerest apologies for...

I hope my apologies will be accepted.

Once again, sincerest apologies for...

Yours sincerely, (your full name)

Yours faithfully, (your full name)