Aggregated academic journal database, with 1000's of full text titles available. Covers all aspects of business and would be my first stop when looking for academic journal articles.
IBISWorld is a comprehensive industry and market research database which provides information and analysis on more than 700 industries within the UK only
Access to market research reports covering lots of different consumer markets in lots of different countries. Country reports available too, covering business environment, consumer analysis etc. As well as this, some company information and all sorts of economic, demographic and consumer statistics are also available.