Claim means asking for compensation; a letter of claim is used to ask for compensation due to unsatisfactory work or products delivered by the company. A claim could be made on getting inappropriate stuff that you contracted, in all these situations or any other situation which falls under this scenario can be a reason of a letter of claim. An organization or a company can claim for the required work that was done properly. A letter of claim is a formal letter with a serious tone; it also could be a persuasive letter as it makes the reader believe that the performance or work done by you were not up to the mark.
Commonly a letter of claim is used as a first step that further leads to a legal process of a claim or a personal injury. Such a letter is also used to inform someone for a breach of a contract, for a wrong work of partially unsatisfactory work or assignment, asking the other person for a letter of adjustment to justify the situation. A letter of claim can also be written in case of copyright infringement. This letter should be true in its nature and its facts. Letter should be specifically to the point about the subject and should avoid all the unnecessary details.
Claimant (a person who asks for a reimbursement) can attach a copy of original agreement with the letter as a proof that what he is claim was mentioned at the time of agreement, as merely mentioning a problem will never be effective and will not pay you back. The reference against which you are claiming should be strong enough, mention your point in a firm way. You should address the recipient by his full name and mention the address properly. Here is a sample of letter of claim is attached with this template for your help and convenience.