100 Sentence Starters for Complaint Letters

No.	Item	Definition
1.	A serious issue has arisen	Introduces a significant problem
2.	As a result of this issue	Links to the problem’s effects
3.	At the time of writing	Sets the current situation
4.	At this point, I must object	Signals formal objection now
5.	Despite previous contact	Shows earlier attempts were made
6.	Due to the poor service	Gives the reason for complaint
7.	Even after repeated requests	Shows requests were ignored
8.	For this reason, I am upset	Explains dissatisfaction clearly
9.	Given the circumstances	Introduces the complaint context
10.	Having received no response	Notes lack of reply
11.	I am concerned about	Raises a concern
12.	I am contacting you about	Introduces the problem
13.	I am disappointed with	Expresses disappointment
14.	I am dissatisfied with	States dissatisfaction directly
15.	I am writing about	Begins a complaint clearly
16.	I am writing after	Links complaint to event
17.	I am writing again about	Repeated complaint opener
18.	I am writing as a client	Identifies business relationship
19.	I am writing as a customer	Identifies role in complaint
20.	I am writing as a parent	Identifies family role
21.	I am writing as a passenger	Identifies travel role
22.	I am writing as a patient	Identifies medical role
23.	I am writing as a resident	Identifies local role
24.	I am writing as a tenant	Identifies housing role
25.	I am writing because	Simple reason opener
26.	I am writing concerning	Formal issue introduction
27.	I am writing despite	Signals frustration or contrast
28.	I am writing due to	States cause briefly
29.	I am writing following	Refers to recent incident
30.	I am writing further to	Continues earlier complaint
31.	I am writing in connection with	Links letter to issue
32.	I am writing in light of	Refers to recent circumstances
33.	I am writing in relation to	Connects letter to issue
34.	I am writing in response to	Replies to earlier message
35.	I am writing on behalf of	Represents another person
36.	I am writing once again	Shows repeated contact
37.	I am writing over	Introduces subject informally
38.	I am writing regarding	Introduces the issue formally
39.	I am writing to advise you	Informs recipient of issue
40.	I am writing to alert you to	Warns about a problem
41.	I am writing to ask for	General request opener
42.	I am writing to ask how	Seeks explanation or fix
43.	I am writing to ask whether	Requests clarification
44.	I am writing to ask why	Questions the problem
45.	I am writing to bring to light	Reveals a problem
46.	I am writing to challenge	Disputes a decision or action
47.	I am writing to clarify	Seeks or gives clarification
48.	I am writing to complain	Formal opening for a complaint
49.	I am writing to contest	Formally disputes something
50.	I am writing to dispute	Contests a charge or claim
51.	I am writing to express concern	Formal concern statement
52.	I am writing to follow up on	Continues unresolved issue
53.	I am writing to highlight	Emphasizes the problem
54.	I am writing to inform you of	Gives notice of issue
55.	I am writing to inquire about	Asks about an issue
56.	I am writing to let you know	Informal complaint opener
57.	I am writing to make a complaint	Explicit complaint statement
58.	I am writing to notify you	Gives formal notice
59.	I am writing to object to	States objection clearly
60.	I am writing to point out	Introduces a specific issue
61.	I am writing to protest	Strong complaint opening
62.	I am writing to question	Challenges something directly
63.	I am writing to raise a concern	Formal concern opener
64.	I am writing to raise an issue	Introduces a problem
65.	I am writing to remind you	References earlier contact
66.	I am writing to report	Introduces a problem report
67.	I am writing to request a refund	Asks for money back
68.	I am writing to request action	Asks for action
69.	I am writing to say that	Simple complaint opener
70.	I am writing to seek redress	Requests remedy formally
71.	I am writing to update you on	Gives complaint progress
72.	I am writing to voice my concern	Expresses concern directly
73.	I am writing with reference to	Refers to a specific matter
74.	I feel compelled to write	Shows strong reason to complain
75.	I must bring to your attention	Highlights a serious issue
76.	I regret to inform you	Signals dissatisfaction formally
77.	I was unhappy with	Describes negative experience
78.	I wish to express my concern	States concern politely
79.	I would like to complain	Direct complaint opening
80.	Much to my frustration	Shows personal frustration
81.	My complaint concerns	Introduces the complaint topic
82.	Needless to say, I am upset	Emphasizes obvious dissatisfaction
83.	No action has been taken	States nothing was done
84.	On this occasion, I must say	Introduces a formal complaint point
85.	Our experience has been poor	Describes unsatisfactory experience
86.	Please be advised that	Introduces important complaint information
87.	Please note that	Draws attention to a point
88.	Regrettably, this has continued	Notes the problem persists
89.	So far, this remains unresolved	States issue is still open
90.	Such treatment is unacceptable	Condemns the treatment received
91.	The matter remains unresolved	States the issue continues
92.	The service I received was poor	Complains about bad service
93.	This has caused inconvenience	States negative impact briefly
94.	This issue needs attention	Calls for action
95.	This matter is very concerning	Expresses serious concern
96.	To my disappointment	Introduces dissatisfaction politely
97.	Under these circumstances	Frames the complaint situation
98.	Unfortunately, I must report	Introduces bad news formally
99.	We are extremely dissatisfied	States strong dissatisfaction
100.	Your handling of this matter	Introduces criticism of response