Wharton Research Data Services (WRDS) provides a wide range of corporate, financial, and macroeconomics data. The data can be accessed directly on their cloud or downloaded, and WRDS provides a range of sample codes and processed data too. For access please register with your QMUL email address on https://wrds-www.wharton.upenn.edu/
Apart from the standard datasets in Wharton Research Data Services, the school also subscribes some additional datasets