Useful phrases for writing formal complaint letter Formal complaint letter sample How to write a formal letter? by Expert Writer - October 14, 2013February 7, 20200 Greeting receipant Dear SirDear Madam Dear Sir/Madam Dear Mr LastName Dear Ms LastName Explainig reason I am writing in order to complain aboutI am writing to complain about Introducing the complaint: FirstlyIn the first place First of all My first complaint is The first problem is The first thing I would like to draw your attention to is My first concern is Introducing further complaints: SecondlyIn the second place Not only …….but also Moreover In addition to this Supplementary to this …….was also unacceptable Demanding action: I propose that you replace the itemI therefore suggest that I be given a full refund I would be grateful if my money was refunded I would be appreciative if you could give me a full money back I would be thankful if you could give me a full refund Endings I look forward to hearing from youI look forward to receiving a full refund I look forward to receiving a replacement I look forward to receiving your explanation