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CEPAS - Lean Six Sigma Training and Certification

Lean Six Sigma Green Belt ISO 18404 - Virtual Classroom

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1,680 Students enrolled

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Virtual Classroom

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  • iconISO 18404 Standard
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Do you want to get into a process management role or lead improvement projects with confidence?

The Lean Six Sigma Green Belt course is designed for professionals who already understand the basics of the Lean Six Sigma Yellow Belt level and are ready to take on more responsibility. In this course, you'll learn how to use Lean and Six Sigma tools and DMAIC methodology in real projects. You’ll be trained to analyse data, solve process problems, and manage improvement projects—working under the guidance of experienced Black Belts. This course gives you the skills, confidence, and credibility to take the lead.

This Lean Six Sigma Green Belt course is ideal for:

  • Professionals aiming to lead or support improvement projects.
  • Project team members seeking advanced process skills.
  • Individuals with Yellow Belt certification looking to upskill.
  • Anyone working in manufacturing, healthcare, finance, or service sectors.

Detailed course overview

Students enrolled:

1,680 students

Study method:

Live online session delivered via virtual classrooms

Flexibility:

Study anywhere from your computer, device, or phone

Additional support:

Tutor support when you need it, and live Q&A sessions

Success rates

Exceptional pass rate

Completion time

5 days

Intake dates:

Depending on the course schedule

Bonus:

Yellow Belt training included

What will you learn?

By the end of this course, you'll be able to:

  • Understand problem-solving and process improvement techniques.
  • Plan and manage a real Lean Six Sigma DMAIC project.
  • Identify the elements of the cost of poor quality and waste in a process.
  • Structure a measurement system and identify appropriate metrics for quantitative process improvement efforts.
  • Understand root cause analysis and value analysis methods.
  • Communicate with key stakeholders and drive change in the organisation.
  • Use many of the standard process improvement tools.
  • Begin to develop the competencies required by ISO 18404:2015 through knowledge and practice of a series of technical tools.

Lean Six Sigma Yellow Belt Syllabus

Day 1

  • Lean Six Sigma fundamentals
  • What is Lean Six Sigma?
  • Process flow and value stream analysis
  • Muda, Mura and Muri – The three diseases of processes
  • The seven wastes
  • Voice of the Customer (VoC) and CTQs
  • Cost of poor quality
  • Fundamentals quiz

Day 2

  • Define phase
  • Problem definition
  • Project selection
  • Business case
  • Project charter
  • Measure phase
  • Project discovery
  • Six Sigma statistics
  • Measurement system analysis
  • Sampling - basic concepts
  • Process capability

Day 3

  • Analyse phase
  • Inferential statistics
  • Correlation and regression analysis
  • Analyse phase quiz

Day 4

  • Introduction to hypothesis testing
  • Improve phase
  • Lean tools for improvement
  • Implementation strategies for improvements
  • Control phase
  • Statistical Process Control (SPC)
  • Control charts
  • Improve and control phases quiz
  • Mock exams

Day 5

  • DoE (Design of Experiments)
  • Revision and rework of mock exam questions
  • Exam

Course duration

This Lean Six Sigma Green Belt certification course is delivered over five consecutive days via virtual classroom sessions. You'll receive hands-on guidance from expert instructors and benefit from real-world examples, group discussions, and exam preparation.

Exam Format

These exams will test and verify your knowledge and skills of Yellow and Green Belt, as defined by ISO 18404:2015.

Yellow Belt Exam Details

  • Format: Online, proctored, multiple-choice
  • Duration: 50 minutes
  • Questions: 50
  • Pass mark: 32.5/50 (65%)

Green Belt Exam Details

  • Exam format - Online proctored, multiple-choice
  • Number of questions - 60
  • Duration - 50 minutes
  • Pass mark - 39/60 (65%)
  • Retake: One free resit included
  • Results: Provided within 5 working days

Exam Requirements:

  • A valid photo ID (Passport or Driving Licence)
  • A laptop or PC with a stable internet connection
  • A working webcam and microphone
  • You must take the exam alone, with no study materials present, as verified by the examiner before your exam begins.

We recommend taking the CEPAS Lean Six Sigma Green Belt exam within 6 weeks of finishing your course. The exam fee is included in the course price. Once you register with ProctorU, you can schedule your exam within 3 days. Full instructions will be given when you redeem your exam voucher.

Pricing and payment options

We offer flexible payment options to make the course more accessible:

  • Interest-free finance and payment plans to suit your budget, even with a low credit score.
  • Price Match Guarantee.
  • Clear pricing – the price you see includes VAT, with no hidden fees

Please note: Green Belt certification includes an annual maintenance fee and recertification every five years. In the UK, the Annual Maintenance cost is £36, and the recertification cost is £89. Fees vary by country.

Eligibility - Who is this course for?

The CEPAS Lean Six Sigma Green Belt certification is an intermediate-level qualification. There are two entry points for this course. If you have no prior training, you can start directly at the Green Belt level, with all Yellow Belt material included. If you’ve already completed Yellow Belt training, this course will serve as a refresher while expanding your knowledge with more advanced concepts and techniques.

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Lean Six Sigma Certification Frequently Asked Questions

What is Lean Six Sigma Green Belt certification?

The Lean Six Sigma Green Belt certification demonstrates your ability to lead small to medium-sized projects focused on process improvement and waste elimination using the Lean Six Sigma methodology. Green Belts have a foundational understanding of Lean Six Sigma principles and tools and typically support Black Belts on more complex projects.

Is Lean Six Sigma Green Belt worth it?

Yes, a Lean Six Sigma Green Belt is worth it if you aim to lead process improvement initiatives and boost your career. It can qualify you for roles such as Process Improvement Analyst (£27K - £39K), Quality Manager (£36K - £54K), or Operations Manager (£35K - £55K). The certification equips you with practical skills that are highly valued across industries like manufacturing, finance, healthcare, and logistics.

How long does it take to get a Lean Six Sigma Green Belt?

The Lean Six Sigma Green Belt course typically takes 5 days through virtual classrooms. After completing the training, you must pass the exam to earn the certification.

Is the Lean Six Sigma Green Belt exam difficult?

The Lean Six Sigma Green Belt exam can be challenging but manageable with proper preparation. At e-Careers, we offer unlimited tutor support to help you understand the material, practice effectively, and build confidence before the exam.

What’s next after the Green Belt?

After the Green Belt, the next step is the Lean Six Sigma Black Belt. You can enrol in a full course that includes Yellow and Green Belt training, or choose the standalone Black Belt if you’ve already completed the earlier levels. Training is delivered live online by experienced industry tutors, with interactive sessions you can join from anywhere.

How much does a Lean Six Sigma Certification Green Belt cost?

The cost of Lean Six Sigma certification varies by level, provider and mode of training. For the exact price, please refer to the course overview.

Does Lean Six Sigma certification expire?

There are no expiration dates for Lean Six Sigma certifications. However, it is recommended that you take a refresher course.

Can I get a Lean Six Sigma Green Belt without experience?

Yes, you can earn a Lean Six Sigma Green Belt without prior experience. Having some background in process improvement or projects can help, but it’s not required. You’ll just need to complete Yellow Belt training first.

What is the purpose of the Green Belt certification?

The Green Belt certification is designed to equip professionals with the skills to lead process improvement projects, analyse data, and apply Lean Six Sigma tools. This enables you to identify inefficiencies and reduce waste in business processes. It's an essential qualification for those advancing in project management and quality improvement roles.

What are the seven essential tools used in Lean Six Sigma for basic quality improvement?

The seven essential tools used in Lean Six Sigma for basic quality improvement are the cause-and-effect diagram, check sheet, control chart, histogram, Pareto charts, scatter diagrams, and flowchart. These tools help teams identify issues, analyse data, and improve processes effectively.

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