Six Sigma Courses
Delivered by The Manufacturing Institute
Six Sigma is a structured, data‑driven methodology used to improve processes, reduce defects, and enhance operational efficiency. Widely applied in manufacturing and other performance‑critical environments, Six Sigma training focuses on minimising variation and improving quality through statistical analysis and continuous improvement. At the core is the DMAIC methodology (Define, Measure, Analyse, Improve and Control), a structured framework for identifying root causes, eliminating waste, and delivering sustainable process improvements aligned to business objectives.
Our Lean Six Sigma courses are designed for manufacturing and engineering professionals who want to apply DMAIC in real workplace settings. Delivered by experienced manufacturing practitioners, our training is available at Yellow Belt, Green Belt, and Black Belt levels, supporting individuals and organisations at every stage of their improvement journey.
Six Sigma Belts
Six Sigma training is structured around different belt levels, each reflecting a depth of knowledge and responsibility in applying the methodology. Whether you are new to improvement or leading complex change initiatives, each belt level builds practical capability to apply DMAIC and deliver measurable performance improvements.
SIX SIGMA
YELLOW BELT
This high-quality, two-day introduction provides a practical overview of the DMAIC improvement methodology, covering the basic tools for variation reduction, problem-solving, and quality improvement. If you’re seeking to become familiar with the language of Six Sigma, this course is for you.
Perfect for anyone needing to contribute to improvement projects as a team member or process owner.

SIX SIGMA
GREEN BELT
Our Green Belt programme utilises relevant lean tools to support the identification of critical factors for successful change management. Start leading resilient project teams empowered by data-driven decision-making at all levels within the organisation.
Perfect for those interested in adding more data-driven decision-making to their role. Including specialist operators, Managers and Team Leaders.

SIX SIGMA
BLACK BELT
This programme is rigorous and essential for anyone wanting leading roles in Lean Six Sigma deployment. It covers a wide range of advanced tools and techniques, enabling delegates to lead critical and challenging improvement projects and coach individuals to achieve sustainable results.
Aimed at high-potential and high-ability individuals who are passionate about improvement and seeking to influence positive change.

SIX SIGMA
YELLOW BELT
This high-quality, two-day introduction provides a practical overview of the DMAIC improvement methodology, covering the basic tools for variation reduction, problem-solving, and quality improvement. If you’re seeking to become familiar with the language of Six Sigma, this course is for you.
Perfect for anyone needing to contribute to improvement projects as a team member or process owner.
SIX SIGMA
GREEN BELT
Our Green Belt programme utilises relevant lean tools to support the identification of critical factors for successful change management. Start leading resilient project teams empowered by data-driven decision-making at all levels within the organisation.
Perfect for those interested in adding more data-driven decision-making to their role. Including specialist operators, Managers and Team Leaders.
SIX SIGMA
BLACK BELT
This programme is rigorous and essential for anyone wanting leading roles in Lean Six Sigma deployment. It covers a wide range of advanced tools and techniques, enabling delegates to lead critical and challenging improvement projects and coach individuals to achieve sustainable results.
Aimed at high-potential and high-ability individuals who are passionate about improvement and seeking to influence positive change.
Start Your Six Sigma Journey
For more information, please complete your details below, and we will answer all your questions.
Start Your Six Sigma Journey
For more information, please complete your details below, and we will answer all your questions.
FAQ's
What is Six Sigma?
Six Sigma is a data-driven methodology used to improve processes, reduce defects, and enhance efficiency. It is important because it helps organisations achieve higher quality, lower costs, and greater customer satisfaction.
How does Six Sigma work?
Six Sigma works by identifying and eliminating variations in processes using statistical tools and a structured problem-solving approach, primarily through the DMAIC (Define, Measure, Analyse, Improve, Control) methodology.
What impact does Six Sigma have?
Six Sigma helps businesses reduce waste, improve product quality, enhance customer satisfaction, increase efficiency, and drive cost savings by minimising errors and process defects.
What industries use Six Sigma?
Six Sigma is widely used in manufacturing, healthcare, finance, logistics, IT, and service industries. It is applicable to any business that wants to improve processes and reduce errors.
What are the different Six Sigma belt levels?
Six Sigma training certification levels include:
Yellow Belt – Basic understanding of Six Sigma principles.
Green Belt – Intermediate knowledge, typically leading smaller projects.
Black Belt – Advanced expertise, leading complex projects and teams.
What is the difference between Six Sigma and Lean?
Six Sigma focuses on reducing variation and defects, while Lean focuses on eliminating waste and improving process flow. Many organisations use Six Sigma training, a combination of both methodologies.
How long does it take to get Six Sigma certified?
Certification duration varies depending on the belt level. Yellow Belt training may take a few days, while Green and Black Belt certifications typically require several weeks or months, including project work.
What is the DMAIC methodology in Six Sigma?
DMAIC (Define, Measure, Analyse, Improve, Control) is the structured problem-solving approach used in Six Sigma to identify issues, implement solutions, and sustain improvements.
Is Six Sigma only for large companies?
No, Six Sigma courses are beneficial for businesses of all sizes. Small and medium-sized enterprises (SMEs) can also use Six Sigma principles to improve efficiency, reduce waste, and enhance quality.
How can I start learning Six Sigma?
You can start with a Yellow Belt certification to gain foundational knowledge and progress to Green Belt and Black Belt for deeper expertise. The Manufacturing Institute offer online and in-person training programmes.
Is Six Sigma only for manufacturing?
No. While Six Sigma originated in manufacturing, it is a data‑driven approach to improving processes and is widely used in services, healthcare, finance, logistics, and office‑based environments where consistency and performance matter.

