Auditor Appointment Letter – Format, Sample & Downloadable Templates

Download free auditor appointment letter templates, formats, and customizable sample letters you can use for statutory, internal, or external audits.

An Auditor Appointment Letter is a legally binding document issued by a company to formally appoint a statutory, internal, or external auditor. It defines the auditor’s scope of work, authority, independence, remuneration, confidentiality, and compliance responsibilities.

At HRHelpBoard, we provide professionally drafted auditor appointment letter formats, editable Word templates, and compliance-ready appointment of auditor letter samples used by companies, LLPs, startups, and audit firms.

Table of Contents

What is an Auditor Appointment Letter?

An Auditor Appointment Letter is a formal written document issued by a company, trust, or organization to officially appoint a qualified auditor to examine its financial records and accounts. It confirms the auditor’s role, scope of work, tenure, and authority to conduct statutory, internal, or special audits in accordance with applicable laws and professional standards. This letter serves as legal evidence of the auditor’s engagement and defines the professional relationship between the auditor and the organization.

The auditor appointment letter also outlines important terms such as audit period, reporting responsibilities, confidentiality obligations, and compliance with regulatory requirements. It protects both the organization and the auditor by clearly stating expectations, duties, and limitations, ensuring transparency, accountability, and accuracy in financial reporting.

Auditor Appointment Letter Format

A standard auditor appointment letter typically includes the following structured sections you should include when drafting this letter to ensure legal validity, audit clarity, and regulatory compliance.

1. Header Details

• Company / Organization Name
• Registered Office Address
• Contact Details
• Date

2. Recipient Details

To:
Name of Auditor / Audit Firm
Address

3. Subject Line

Subject: Appointment as Auditor

4. Reference Details

• Board Resolution / Members’ Resolution
• Date of approval

5. Appointment Details

• Name of the Company / Organization
• Appointment as Statutory / Internal / External Auditor

6. Audit Period

• Financial year for which the audit is to be conducted

7. Scope of Work

• Audit of books of accounts
• Preparation and submission of audit report

8. Legal Compliance

• Compliance as per Companies Act, 2013 or applicable law

9. Remuneration

• Audit fees
• Reimbursement of approved expenses

10. Consent Requirement

• Written consent from the auditor
• Eligibility certificate under applicable law

11. Acceptance of Appointment

• Request to confirm acceptance of auditor appointment

12. Closing Statement

• Expression of cooperation
• Expectation of professional and independent audit services

13. Signature and Authorization

• Authorized Signatory
• Designation
• Company Seal

Why Is an Auditor Appointment Letter Important?

An Auditor Appointment Letter is a legally significant document that formally confirms the appointment of an auditor by a company, board of directors, or shareholders. It establishes the auditor’s authority to examine the company’s financial records and ensures that the audit is conducted in a transparent, independent, and professional manner. Without this letter, the auditor has no formal mandate to access books of accounts, records, or financial systems.

From a corporate governance and trust point of view, this letter protects both the company and the auditor. It defines independence, confidentiality, reporting obligations, and ethical standards. A properly issued auditor appointment letter increases the credibility of financial statements, improves investor confidence, and ensures that the audit process meets professional and regulatory standards—making it a critical document for every organization.

Similar to an accountant appointment letter, an auditor appointment letter defines financial authority, compliance responsibility, and professional accountability.

Appointment Letter of Auditor Sample

Below is a professionally drafted auditor appointment letter sample you can use or customize for your organization:

AUDITOR APPOINTMENT LETTER

To,
Name of Auditor / Audit Firm
Address

Subject: Appointment as Statutory Auditor

Dear Sir / Madam,

We are pleased to appoint you as the Statutory Auditor of
(Name of Company) for the financial year __________,
pursuant to the approval of the Board of Directors / Members.

Your scope of work shall include:
• Verification of books of accounts
• Compliance with the Companies Act, 2013
• Tax and regulatory compliance checks
• Preparation and submission of audit reports

Your professional fees shall be __________ plus applicable
taxes and reimbursement of approved expenses.

You shall maintain strict confidentiality of all financial
records and information obtained during the audit.

This appointment is subject to your written consent and
confirmation of eligibility as required under applicable law.

Kindly acknowledge and confirm acceptance of this appointment.

Yours sincerely,
For Company Name
Authorized Signatory
Designation

This sample auditor appointment letter can be modified based on the type of audit and applicable legal requirements.

Role of Auditor Appointment Letter in Corporate Compliance

An auditor appointment letter plays a critical role in ensuring corporate compliance by formally authorizing the auditor and defining the legal framework within which the audit is conducted.

• Confirms the auditor’s appointment as per Companies Act, 2013 or applicable law
• Establishes the auditor’s legal authority to access books of accounts and records
• Defines the scope of audit, audit period, and reporting responsibilities
• Ensures compliance with statutory, internal, or special audit requirements
• Supports mandatory filings and disclosures with regulatory authorities
• Strengthens corporate governance and financial transparency
• Protects the company during inspections, audits, and regulatory reviews
• Helps prevent disputes related to audit scope, fees, or responsibilities

A well-drafted auditor appointment letter protects both your organization and the auditor by clearly outlining roles, responsibilities, and compliance obligations.