Final answer:
The auditing firm is responsible for conducting the Tri-Annual Review to fundholders, working in corporate governance to ensure accurate financial records and oversight.
Step-by-step explanation:
The office responsible for providing the Tri-Annual Review to fundholders is typically the auditing firm hired by the company. The auditing firm plays a crucial role in corporate governance, working alongside the board of directors and outside investors to ensure the accuracy and reliability of the company's financial records. Despite the safeguards put in place by corporate governance mechanisms, instances such as the failure at Lehman Brothers highlight the importance of diligent oversight by all parties involved to protect the interests of investors and fundholders.