Since an engagement letter serves the same purposes as a traditional contract, it is important to carefully lay out the scope of the engagement, any contingencies that must be addressed, completion deadlines, and compensation arrangements. Ensuring that these details are correct at the outset helps to avoid costly misunderstandings later on in the assignment. Since an engagement letter is more informal by its nature, it can be a good way to establish a written agreement where the parties would otherwise be reluctant to enter into a full contract.
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He told reporters that he is in talks with the company, but said he hadn't signed an engagement letter.
угода про надання послуг; договір найму (консультанта)