Certified Lean Six Sigma Green Belt (CLSSGB)
Exam Code: CLSSGB-001
The Certified Lean Six Sigma Green Belt (CLSSGB) certification validates your knowledge of Lean Six Sigma methodology, DMAIC, process improvement, data inspection, quality tools, Lean principles, project support, process analysis, and continuous improvement practices.
- Exam Breakdown
- Domain Breakdown
- Access Breakdown
Exam Format
- Exam Code: CLSSGB-001
- Certification Level: Professional
- Exam Duration: 90 minutes / 1 hour 30 minutes
- Passing Score: 70% / 70 out of 100 correct answers
- Unscored Content: GAQM does not officially state separate unscored questions for this exam. Candidates should treat all exam questions as scored.
Exam Details
- Question Types: Multiple choice
- Number of Questions: 100 questions
- Hands-On Questions: The exam does not officially list hands-on lab questions. It assesses Lean Six Sigma knowledge through multiple-choice questions.
Exam Policies
- Offline Proctoring: This exam is not listed as an offline Pearson VUE or test-center exam. It is conducted in AI-proctored online mode through GAQM.
- Online Proctoring: The exam can be taken anytime, anywhere within the voucher validity period through GAQM’s AI-proctored online exam system.
- Waiting Period: The exam voucher includes two attempts. If a candidate does not pass within two attempts, a new voucher must be purchased.
- Retake Fee: A new exam voucher must be purchased if the candidate fails both included attempts.
Certification Validity and Renewal
- Validity: Valid for life
- Renewal Options: No renewal is required because the certification is valid for life.
Exam Fee
- Base Fee: $190 USD for the Exam Voucher
- Premium Package with E-Book: $250 USD
- Standard E-Course Package: $85 USD
- Taxes: Country-specific VAT/GST may apply
- Example: In India, 18% tax applies, making the exam voucher total $224.20 USD ($190 + $34.20 tax), the premium package total $295 USD ($250 + $45 tax), and the standard e-course package total $100.30 USD ($85 + $15.30 tax)
Prerequisites
There are no formal prerequisites for taking the CLSSGB-001 exam. GAQM states that completion of the e-course is not mandatory from the GAQMBok portal, but it is highly recommended because many exam questions are drawn from the e-course. It is recommended to have:
- Understanding of basic Lean Six Sigma concepts
- Knowledge of DMAIC phases and process improvement principles
- Familiarity with data collection, quality tools, and project metrics
- Experience supporting process improvement, quality, production, or operational improvement activities
Exam Topics
- Six Sigma and Organizational Goals: Six Sigma fundamentals, value of Six Sigma, organizational drivers, metrics, organizational goals, and Six Sigma projects
- Lean Principles in the Organization: Lean concepts, Lean tools, value-added activities, non-value-added activities, and theory of constraints
- Design for Six Sigma: Quality Function Deployment, FMEA, DFMEA, PFMEA, road maps for DFSS, and Six Sigma Define concepts
- Define Phase: Process elements, customer identification, customer data collection, customer data analysis, and translating customer requirements
- Lean Process Improvement: Toyota Production System, value concepts, waste types, Lean enterprise, PDSA cycle, R-DMAIC-S model, Lean thinking tools, Kaizen events, and data mapping
Intended Audience
The CLSSGB certification is ideal for professionals supporting or leading Lean Six Sigma process improvement projects, including roles such as:
- Quality Professional
- Engineer
- Production Manager
- Front Line Supervisor
- Process Owner
- Project Team Member
- Operations Professional
- Continuous Improvement Specialist
Career Impact
Jobs You Can Get:
- Lean Six Sigma Green Belt, Quality Analyst, Process Improvement Analyst, Production Supervisor, Operations Analyst, Continuous Improvement Specialist, Project Coordinator, and Quality Improvement Associate.
Average Salary:
- Varies by country — U.S.: $65,000–$95,000 USD,
- India: ₹5,00,000–₹14,00,000 INR,
- United Kingdom: £35,000–£60,000 GBP,
- UAE: 100,000–220,000 AED per year.
Why It’s Valuable:
- Recognized process improvement certification that validates Lean Six Sigma knowledge, DMAIC understanding, quality improvement capability, data-driven problem solving, and ability to support measurable business improvement projects.
Exam Mode
The exam is proctored and can be taken:
- Online through GAQM’s AI-proctored exam system
- Through the “My Exam(s)” tab in the candidate’s GAQM profile after applying the voucher code
Exam Booking Link
- Book your CLSSGB Exam via GAQM — Click here (https://gaqm.org/certifications/lean_six_sigma/clssgb)
Once you pass the exam
- Receive the Certified Lean Six Sigma Green Belt (CLSSGB) certificate
- Receive an e-certificate and digital badge if you qualify in the exam
- Access certification details through your GAQM profile
- The certificate remains valid for life
Offers
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Top Reasons to Choose
Certified Lean Six Sigma Green Belt (CLSSGB)
Strong Lean Six Sigma Foundation
The CLSSGB certification builds practical knowledge of DMAIC, Lean principles, quality tools, process improvement, data collection, waste reduction, and project support for professionals improving business processes.
Useful for Quality and Operations Roles
This certification supports quality professionals, engineers, production managers, supervisors, process owners, and team members responsible for improving efficiency, reducing defects, analyzing data, and supporting improvement initiatives.
Career Growth and Global Relevance
Lean Six Sigma Green Belt skills remain valuable across manufacturing, healthcare, logistics, IT, education, services, and operations where organizations focus on quality, productivity, cost reduction, and satisfaction.
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FAQ
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Who should take the Certified Lean Six Sigma Green Belt (CLSSGB) exam?
The CLSSGB exam is suitable for professionals who support or lead process improvement projects using Lean Six Sigma methods. It is useful for quality professionals, engineers, production managers, supervisors, process owners, project team members, and employees responsible for improving quality, reducing waste, analyzing data, and supporting operational performance.
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How difficult is the CLSSGB exam?
The CLSSGB exam is considered beginner to intermediate level because it focuses on Lean Six Sigma fundamentals, DMAIC, project management basics, Lean tools, data collection, process analysis, statistics, and improvement methods. Candidates must answer 100 multiple-choice questions in 90 minutes and score at least 70% to pass successfully.
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Why does GAQM offer the CLSSGB certification?
GAQM offers CLSSGB to validate professional knowledge of Lean Six Sigma principles, process improvement, data inspection, and project support. The certification helps candidates understand DMAIC, Lean tools, quality concepts, process analysis, customer requirements, project metrics, and improvement techniques used to support measurable organizational performance improvement.
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What tools and resources can be used to prepare for the CLSSGB exam?
Candidates can prepare using the official GAQM course outline, e-course, e-book or premium package, sample exam, and structured study of Six Sigma goals, Lean principles, DFSS, Define phase, project management basics, process analysis, data collection, descriptive statistics, graphical methods, Toyota Production System, and Kaizen events.
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Is the CLSSGB certification still valuable in 2026?
Yes, CLSSGB remains valuable in 2026 because organizations continue to prioritize quality, efficiency, waste reduction, cost control, and customer satisfaction. Professionals who understand Lean Six Sigma tools, DMAIC, data analysis, process mapping, and continuous improvement remain useful across manufacturing, healthcare, logistics, IT, education, and services.
