Dear Sir/Madam
Account No:
I would like to make a complaint against your company. The details are set out below.
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I understand that you must send a written acknowledgement of my complaint and inform me of how long you will take to deal with it. If you do not resolve my complaint within 8 weeks, or I am not satisfied with your response, I will escalate my complaint to the Financial Ombudsman Service. This could result in you being ordered to pay compensation if my complaint is upheld.
I look forward to hearing from you.
Yours faithfully