For details of the Library's financial and company databases, see the appropriate sections of the  Business & Management Subject Guide

The most useful databases, with global coverage, are likely to be:
BankFocus (bank finances)
Bloomberg (only available from the Essex Business School trading floor)
Eikon/Datastream (via LSEG Workspace)
Orbis (company accounts, including private companies medium size and upwards)
PI Filings Expert (company documents & filings)
WRDS (Compustat for public companies; CRSP for historic US securities prices)

Mintel, Passport, EMIS (emerging markets) and Statista may be useful for consumer industries, markets & trends. Mintel is mostly UK, the others have global coverage