Contributions fall under two main categories: companies and concepts. The former offers financial and business analysis on individual corporations, whereas the latter examines trends in broader economic issues. In addition to being an information resource for the public, the site's financial analysis has also been cited in mainstream business publications such as the Wall Street Journal.
As of November 2008, the site covers over 1800 companies and over 180 economic issues, and has around 1400 contributors. Wikinvest also provides a syndication service for financial bloggers, the Wikinvest Wire. Furthermore, the site's WikiCharts feature allows financial charts to be annotated as well as embedded in other websites.