The Big Four are the world’s largest consulting firms, accounting for nearly 40% of the industry's $150 billion global market. PwC, Deloitte, EY and KPMG are followed by US strategy giants McKinsey & Company and The Boston Consulting Group.
The global consulting market is currently approaching an estimated worth of nearly $150 billion, up from $122 billion in 2012. According to Consultancy.uk analysis on data from a leading analyst firm, the 10 largest consulting firms retain a firm hold on the majority of market activity – which looks set to experience steady growth for the following two years. Judging from present rates of expansion, by the end of 2017, the global consulting industry is forecast to top a worth of $155 billion, with the industry having booked consistent 5% growth for the previous two years.
