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Lean Six Sigma is a methodology for removing wasteful process and mistakes within your business. We will deliver Lean Six Sigma compliant training to your site at an agreed time and date and your certificates will be emailed to you within seven days of the successful completion of your training.

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Lean Six Sigma Training Courses

Lean Six Sigma – A Brief History:

Henry Ford utilised the 3 pillars of lean to improve flow, drive out waste and speed up production during the 1920s and the era of the Model T

Lean Methods were originally developed within the automotive industry, notably by Toyota and were aimed at eliminating all forms of process “Waste”

In the 1950s Taichii Ohno & Shigeo Shingo of Toyota, visited Fords US factory to see Lean in action alongside a local convenience store, called PigglyWiggly, who were using a Just in Time (JIT) replenishment system. With these learnings they developed the Toyota JIT production system

Six Sigma methods were developed as a data driven problem solving technique initiated by Bill Smith in the 1980’s at Motorola, with the aim of reducing defects to less than 3.4 per million opportunities.

Lean Six Sigma is used by companies such as;

  • Apple
  • Boots
  • Caterpillar
  • Jaguar Land Rover
  • Marks and Spencer
  • Nestle
  • Unipart

and is based on a Belt system. The first level is White Belt which deals with solving problems at a local level. White Belts will connect with higher-tier individuals such as those professionals with a Yellow, Green or Black Belt skillset to solve each problem. Th goal of a White Belt is to understand the fundamental concepts of Lean Six Sigma.

Before you commence with the Yellow Belt training, we will issue you with the White Belt course material for free so that all your employees can start acclimatising to the Lean Six Sigma environment.

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Lean Six Sigma Yellow Belt Training Courses

This one-day course is aimed at all members of staff within the business.

Lean Six Sigma Green Belt Training Courses

A five-day course that follows on from the Yellow Belt and is aimed at supervisors and management.

Lean Six Sigma Black Belt Training Courses

The final step in your Lean Six Sigma journey is the five-day Black Belt course.


We only select trainers that have experience in the course subject that they are teaching.


Our training meets all the necessary HSE recommendations where required.


We’re proud of the number of repeat clients we have, and we will work hard to form a great relationship with you too.

Who we are

Sherwood Knowledge is an extension to the success of Soteria Asbestos Limited which is a multi-award-winning asbestos consultancy dealing with large clients such as the Police CSI departments, nationwide housing associations, a network of churches and major Blue-chip companies.

Under the demand for us to deliver other types of training, we created a new consultancy to run alongside Soteria Asbestos, called Sherwood Knowledge. Here we have joined with other trusted and highly competent trainers to offer our high standard of training covering subjects such as Asbestos Training, Fire Safety Training, First Aid Training, Health and Safety Training and Business Development Courses such as Lean Six Sigma and Digital Marketing.

Our trainers are available seven days a week and can come to your site or to a venue near you if you don’t have suitable training space.

The Health and Safety training we provide complies with the latest HSE guidelines and is delivered in an enjoyable and jargon-free way.

What our clients say

"The trainer had excellent experiences of the subject which helped re-enforce the learning points of the course."
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Stuart Morris
Lean Six Sigma Green Belt Training
"Excellent service, the trainer was fantastic, very helpful. I would definitely take another course with them."
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First Aid at Work Training
"I did my Emergency First Aid at Work Course here. 5 stars!"
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Lee O'Connor
Emergency First Aid at Work Training
"It was everything you'd expect from a course, and more."
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Lean Six Sigma Yellow Belt Training

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Peter Cassettari – Managing Director


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