What it means
An attestation engagement is a service provided by an accountant or auditor where they evaluate and report on a subject matter or assertion made by a company. The aim is to provide an independent opinion on whether financial information or processes are accurate and reliable.
This type of engagement is important as it builds trust with stakeholders such as investors, banks, and regulators by ensuring that financial data is presented fairly. The word "assertion" simply means a claim that management makes, such as "our revenue was $500,000" or "our systems protect customer data".
The professional does not create that claim. Their job is to test it against evidence and then report whether it holds up.
There are different types of attestation engagements, including audits, reviews, and agreed-upon procedures. An examination or audit gathers the most evidence and gives the highest level of comfort, a review relies mainly on enquiries and analytical checks and gives a lower level, and agreed-upon procedures report only the specific findings that the client and professional have agreed in advance.
Each has varying levels of assurance and involves different procedures. In practice, companies might request an attestation engagement to comply with regulations, improve internal processes, or reassure investors of their financial integrity.
Banks may require one before lending, a grant-giver may require one to confirm that funds were spent as agreed, and a customer may ask for one on a service provider's security controls. These engagements help identify any discrepancies or areas for improvement in financial reporting or processes.
Managers should expect to provide documents, answer questions and explain how figures were produced, and a well-prepared team makes the process quicker and cheaper. Think of an attestation engagement like a health check-up for your finances, where an independent expert examines and confirms everything is in good shape, giving you and others peace of mind.
In practice
Real-world examples
Example 1
A startup seeking investment has its financial statements reviewed by an auditor. The auditor confirms that the revenue reported as $500,000 is accurate. This provides potential investors with confidence that the startup's financial data is reliable. The founders include the report in their investor pack, and the investors spend less time questioning the numbers.
Example 2
A small manufacturing company undergoes an attestation engagement to ensure compliance with environmental standards. The auditor verifies that the company meets the required standards, reinforcing the company's commitment to sustainable practices. The report is then shared with two large customers who ask for proof in their supplier checks.
Example 3
A non-profit organisation receives a grant with specific reporting requirements. The auditor performs an attestation engagement and confirms that the organisation's financial reports comply with the grant stipulations, ensuring continued funding. The funder accepts the report in place of a long list of receipts, which saves the charity's small finance team many hours.
Think of it
Think of an attestation engagement like a health check-up for your finances, where an independent expert examines and confirms everything is in good shape, giving you and others peace of mind.
Case study
Seen in the real world
This is a fictional, illustrative scenario. GreenTech Ltd, a medium-sized renewable energy company, sought to assure its stakeholders about its clean energy project costs. They hired an independent auditor to perform an attestation engagement, focusing on the project's financial projections and environmental compliance reports. The auditor verified that the projected costs of $2 million matched the actual expenses incurred and that the company met all environmental standards.
This confirmation helped GreenTech maintain trust with investors and secure additional funding, ensuring the project's continuation and growth. Before the work began, the finance director gathered contracts, supplier invoices and site reports into one shared folder, and named one person to answer the auditor's questions. The auditor found a small gap of $15,000 between the budget and the invoices, caused by a supplier credit note that had not been recorded. Correcting it before the report was issued meant the final figures agreed in full.
The finance director also noted that the report applied only to the assertions tested. It did not promise that the project would be profitable or that future costs would match the plan. Investors understood this and valued the report as a check on past facts and compliance, while still performing their own analysis of the project's prospects.
Watch out
Common mistakes
- Assuming attestation engagements are only for large companies.
- Confusing an attestation engagement with an internal audit.
- Believing an attestation engagement guarantees financial success.
Questions
People also ask
What is the difference between an audit and an attestation engagement?
An audit is a type of attestation engagement that provides a high level of assurance on financial statements, while other attestation engagements might offer different levels or focus on specific assertions.
Why would a company need an attestation engagement?
Companies use attestation engagements to provide credibility to their financial reports, comply with regulations, or improve internal processes.
Who can perform an attestation engagement?
An attestation engagement is typically performed by an independent certified public accountant or auditor.