MarketLine advantage Advantage is MarketLine’s online cross-curricular database that allows users anytime access to large volumes of data on a wide range of companies, industries, financial deals, and geographies all sourced from credible and verified sources. Producing in excess of 30,000 company profiles, 2,500 industry profiles and 110 country profiles each year, MarketLine is one of the most prolific publishers of business information in the market.