An engagement letter is a written agreement that describes the business relationship to be entered into by a client and a company. The letter details the scope of the agreement, its terms, and costs. The purpose of an engagement letter is to set expectations on both sides of the agreement.
An audit letter is a written request for information about a person or entity being audited, usually sent to an attorney, banker, or other relevant party. The letter asks for details about pending or threatened litigation that may affect the audit.
In short, an Engagement Letter is often used to set the legal and professional relationship between a professional firm and its client. It protects both parties, ensures clarity in roles and responsibilities, and builds trust.
The engagement letter is a legally binding document and the purpose of the engagement letter is to: Specify the parties of the audit engagement. Define the scope of the audit, including the in-scope services and systems. Specify the timeline of the audit and related deliverables.
The internal auditor and the auditee should agree on the terms of the engagement before commencement. The agreed terms would need to be recorded in an engagement letter.
The engagement letter is a legally binding document and the purpose of the engagement letter is to: Specify the parties of the audit engagement. Define the scope of the audit, including the in-scope services and systems. Specify the timeline of the audit and related deliverables.
The service provider typically prepares the Letter of Engagement, be it a law firm, accounting agency, consultancy, or any professional offering services.
The letter should be signed by those members of management with overall responsibility for financial and operating matters whom the auditor believes are responsible for and knowledgeable about, directly or through others in the organization, the matters covered by the representations.
It is in the interests of both the entity and the auditor that the auditor sends an audit engagement letter before the commencement of the audit to help avoid misunderstandings with respect to the audit.
The partner or other person in the firm who is responsible for the audit engagement and its performance, and for the auditor's report that is issued on behalf of the firm, and who, where required, has the appropriate authority from a professional, legal, or regulatory body.