Gartner today released a study on the relative market share of the leading consulting firms globally. It was with surprise that this blogger noted that Deloitte was the largest both in terms of revenue and market share. What was also surprising was the % decline in revenue YoY between 2008 – 2009.

I cannot publish the report itself (or the link) due to copyright issues. However, the global rankings are posted below.

Top Consulting Firms