Complaint Letter to Supervisor

A complaint letter to a supervisor, as the name states, is written by an employee to his manager or supervisor in which the employee makes a formal complaint about the prevalent issue. When working at a workplace, especially in such a fast-paced world and continuously changing working environments, various issues can arise for which the employee seeks resolution through his supervisor.

Sometimes, the employees orally communicate the issue to their senior before writing a formal letter or email while at other times, they may directly write a formal letter so that the communication and handling of the issue can be kept in the records. Some of the issues could be:

  • Discrimination practices
  • Salary issues
  • Promotion issues and career growth
  • Harassments
  • Unprofessional colleagues
  • Short deadlines
  • Ineffective team coordination and cooperation

When this letter is being written, an employee chooses the complaint letter format being used in his company. However, the general format of the letter is:

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  • Date
  • Details of the employee
  • Details of the supervisor or manager
  • Details of the issue
  • Inform how it is affecting you both personally and professionally
  • Request for addressing the issue
  • Provide possible solutions for its resolution, if possible

When writing this letter, an employee should need to sound professional and firm about his complaint but as this letter is being written to a senior, the employee needs to maintain a politeness and should not appear rude or condescending.

Letter sample -1

Complaint letter for bad language use

This is to bring in your kind attention that Mr. James continuous lame jokes about me are creating hindrance in my work performance. I had earlier tried to resolve the matter in peaceful terms but unfortunately, things did not end up well. Moreover, he has started using abusive language as well. This has made me upset a lot. I request you to please intervene in the matter and devise a solution to my problem. Thanking in anticipation.

Complaint letter for bad language use

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Letter sample -2

Complaint letter for ignoring necessary action

This is to inform you that the machine installed at passage D1 is not working properly. The material gets stuck up and with continuous effort to resume production, we end up in breakage. I had earlier contacted the technical department for this, but they had paid no heed to the issue. I request you to please investigate this problem and help devise a solution so that we may be able to resume production.

Complaint letter for ignoring necessary action

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Letter sample -3

Complaint against coworker

I had earlier talked to you in this regard that my co-worker does not come up in time at the office. You are aware that these days we are working on a project whose deadline is appearing, but his continuous late comings are affecting our work. I am afraid that we will not be able to complete the desired task. I had even tried talking to him personally, but it has brought no good. So, with great hope, I am writing to you to please investigate the matter on your own and resolve the issue in a peaceful manner.

Complaint letter to supervisor against a coworker

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