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...
Bonfiglioli Consulting
Since 1973, Bonfiglioli Consulting, an Italian management consulting company, has been working side by side with organizations to support their growth and success in global markets. We support our cl...
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...
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...
Arthur D. Little
At Arthur D. Little (ADL) we dare to be different. As the world’s first management consulting company, blazing trails is in our DNA. Since our establishment in 1886 by MIT chemist, Arthur Dehon Littl...
Develop Consulting
Develop Consulting exists for one single-minded reason – to help organisations be the best they can be. We are a team of tried and tested experts in the implementation of improvement processes for ma...
EFESO Management Consultants
EFESO Management Consultants is a global consulting group specialized in operations strategy and performance improvement. We work side-by-side with our clients to accelerate their transformation towa...
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...
At PwC, our purpose is to build trust in society and solve important problems. We help organisations and individuals create the value they're looking for. We're a network of firms in 157 countries wi...
West Monroe
Don’t Do Digital. Be Digital. As a national digital services firm that was born in technology, and built for business, we partner with organizations who want to drive progress, and deliver results. W...
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