There are several best practices that companies can follow to ensure the preparation and presentation of accurate and reliable interim financial statements that provide relevant information to stakeholders:

1. Adherence to accounting standards and regulatory requirements: Companies should adhere to the applicable accounting standards and regulatory requirements in their jurisdiction to ensure that their interim financial statements are prepared in compliance with established rules and regulations.
2. Use of professional judgment: Companies should exercise professional judgment in the preparation of their interim financial statements, including the use of estimates and assumptions, to ensure that the information presented is accurate and reliable.
3. Consistency in accounting policies: Companies should use consistent accounting policies and methods from one reporting period to another to provide users with comparable financial information.
4. Proper segregation of duties: Companies should ensure that the responsibilities for the preparation and review of interim financial statements are properly segregated to prevent any potential conflicts of interest or fraud.
5. Quality review processes: Companies should establish quality review processes that include independent review by internal or external auditors to ensure the accuracy and reliability of financial information.
6. Clear and concise presentation: Companies should present financial information in a clear and concise manner, using appropriate formatting and labels to help users understand the information presented.
7. Disclosure of material information: Companies should disclose all material information that may affect their financial position and performance, including any significant events or changes that have occurred since the last reporting period.
8. Transparency: Companies should strive to provide transparent and complete information to their stakeholders, including detailed explanations of any non-GAAP financial measures used.

Overall, companies can ensure that their interim financial statements provide accurate and reliable information to stakeholders by following these best practices and regularly reviewing their financial reporting processes to identify and address any weaknesses or areas for improvement.