Derby-based Rolls Royce has said it has passed information to the Serious Fraud Office (SFO) over concerns of bribery and corruption.
The request for information from the SFO comes after allegations of malpractice in Indonesia and China.
Rolls Royce has their own investigations have identified "matters of concern in these, and other overseas markets".
The company added that "it is too early to predict the outcomes, but these could include the prosecution of individuals and of the company. We will cooperate fully."