McKinsey & Company is a privately-owned management consulting firm. Roundly considered to be the most prestigious company of its kind, it has achieved a level of renown so great as to be known even to laymen, despite a decades-long...

Boston's best The name may sound local, but The Boston Consulting Group's reach—and expertise—is anything but. With 5,000 consultants in 78 offices in 43 countries, the firm ranks as one of America's Largest Private Companies, according to...

Founded in 1973, Bain is one of the world's most prestigious consulting firms. Today Bain & Company is one of the world’s most respected companies. It partners with clients in sectors representing 90% of the global economy with offices...

Founded in 1983, L.E.K. Consulting is a strategy consulting firm that offers four major capabilities to its clients: strategy, mergers and acquisitions, marketing and sales and strategy activation consulting. The firm maintains an on the ground...

The midas Touche While Deloitte maintains a presence in over 35 European countries, there's no formal Europe-specific entity at the firm.  There is, however, a parent company, known as Deloitte Touche Tohmatsu (DTT), which is a collection of...

ZS is a professional services firm that works side by side with companies to help develop and deliver products that drive customer value and company results. The firm leverages its industry expertise, leading-edge analytics, technology and...

Mashed-up moniker Accenture -- whose name derives from "accent on the future" -- was formally established by partners from the consulting division of various Arthur Andersen firms in 1989 as Andersen Consulting.  Their goal: To create a new...

Savvy specialists with global reach IMS Consulting Group (IMSCG) is a major player in the field of global biotech and pharmaceutical management consulting. With around 500 consultants, the firm maintains a presence on five continents and...

From its humble beginning as a small, one-man consulting firm, Roland Berger has grown into an international giant. Ranked among the top-10 in global strategy consulting, it is the largest consulting firm to have emerged from Europe, where it...