Top Lean & SixSigma consulting firms in the world

What are the top consulting firms in the world for clients seeking Lean & SixSigma expertise? The top Lean & SixSigma consulting firms in the world list presents the globe’s leading consultancy firms specialised in Lean & SixSigma, based on’s unique global database of more than 10 million data points per year of clients and consultants, including expertise and consultancy projects delivered in the area of Lean & SixSigma.

The leading consulting firms for Lean & SixSigma services:

Four Principles
Distilled from the ground-breaking business philosophy that set Toyota on the path to global success, Lean Management is far more than a management consultancy toolkit. Instead, it is a profound chan...
KPMG international operates as a network of member firms offering audit, tax and advisory services. We work closely with our clients, helping them to mitigate risks and grasp opportunities. Member fi...
Founded in 1977, the agency has been a pioneer at the intersection of technology, design, and marketing with work spanning web, mobile, social, retail, product innovation, brand development and busin...
Bonfiglioli Consulting
Bonfiglioli Consulting is an Italian management consulting firm operating worldwide, with over 100 employees based in 10 offices spread in 3 continents. We support organizations in the following stra...
Cordence Worldwide
Cordence Worldwide is a major global management consulting partnership made up of independent Member Firms, each of which is a leader in the regions it serves. By maintaining their independence, each...
House of Performance
Organizational consultancy House of Performance improves performance in the workplace. Getting the best out of people is always central to our approach. Writing thick reports, we do not. We ensure th...
Pollen Consulting Group
Creating great things from small humble beginnings defines the ethos of Pollen Consulting Group. We are fast becoming the go to people for value chain transformations, bottom-line performance and fos...
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