Certified Lean Six Sigma
Practitioner (CLSSP)
Validate your Lean Six Sigma knowledge and professional competence through Quality Progress Certification Board
Independent certification examination · Optional training available · Lifetime credential validity.
Get Certified in 3 Simple Steps
Anyone can participate. Apply, Qualify, submit your project (if applicable), and earn your credential from the Quality Progress Certification Board.
Check Eligibility
Review prerequisites for your target practitioner level.
Register & Pass Exam
Register, pay, and take the secure online proctored exam.
Get Board Certified
Upon passing and meeting criteria, receive your certificate.
🌎 Open to All — Anyone Can Participate and Get Certified
Quality Progress Certification Board welcomes participants from all backgrounds worldwide.
Whether you gained your knowledge through work experience, independent learning, or prior education — you are welcome to register. There are no mandatory training requirements. Simply choose your certification level, Apply, Qualify, meet the criteria, and become a Certified Lean Six Sigma Practitioner.
The Body of Knowledge for each level serves as your guide. Prepare using any resources you choose — the exam assesses your competency.
📖 Body of Knowledge Framework Reference
Curriculum aligned with internationally recognized Lean Six Sigma Bodies of Knowledge including frameworks commonly used by ASQ, IASSC, CSSC, ILSSI, and ISSAC.
American Society for Quality · International Association for Six Sigma Certification · Council for Six Sigma Certification · Canadian Lean Six Sigma Council · International Lean Six Sigma Institute
Choose Your Certification
Training is optional. Issued by the Quality Progress Certification Board.
Certified Lean Six Sigma
Yellow Belt Practitioner
(CLSSYP)
Intermediate Level
- 1Globally Accessible
- 2Optional Training Available
- 3Digital Badges Verification
- 4Independent Certification Examination: 60-Question Online Exam
- 52-Hour Time Limit
- 670% Passing Score
- 7No Prerequisites — Open to All
- 88 Knowledge Areas | No Project
Certified Lean Six Sigma
Green Belt Practitioner
(CLSSGBP)
Advanced Level
- 1Globally Accessible
- 2Optional Training Available
- 3Digital Badges Verification
- 4Independent Certification Examination: 100-Question Online Exam
- 52-Hour Time Limit
- 670% Passing Score
- 73+ Years Work Experience
- 814 Knowledge Areas | 1 Project
Certified Lean Six Sigma
Black Belt Practitioner
(CLSSBBP)
Expert Level
- 1Globally Accessible
- 2Optional Training Available
- 3Digital Badges Verification
- 4Independent Certification Examination: 150-Question Online Exam
- 53-Hour Time Limit
- 675% Passing Score
- 7CLSSGBP + 5+ Years Exp.
- 814 Knowledge Areas | 2 Projects
Certified Lean Six Sigma
Master Black Belt Practitioner
(CLSSMBBP)
Master Level — Pinnacle
- 1Globally Accessible
- 2Optional Training Available
- 3Digital Badges Verification
- 4Independent Certification Examination: 200-Question Online Exam
- 54-Hour Time Limit | 80% Pass
- 6Live + AI Dual Proctoring
- 7CLSSBBP + 7+ Years Exp.
- 816 Domains | Portfolio + Panel Defense
🏅 Quality Progress Certification Board
An independent, globally recognized certification body. All CLSSYP, CLSSGBP, CLSSBBP, and CLSSMBBP credentials are officially issued and verified. Our Body of Knowledge is developed with reference to internationally recognized Lean Six Sigma frameworks — ensuring comprehensive, credible certification. Anyone can participate — Apply, Qualify, Certify.
Prerequisites At a Glance
Optional Training Available — we assess your knowledge through the Certification Requirements.
| Certification | Designation | Prerequisites | Exam | Project | Fee |
|---|---|---|---|---|---|
| Yellow Belt Practitioner | CLSSYP | Open to All | 60 Qs | 2 Hrs | 70% | No | Regular Fee:$49. After discount Fee:$30 |
| Green Belt Practitioner | CLSSGBP | 3+ yrs exp. OR CLSSYP | 100 Qs | 2 Hrs | 70% | 1 DMAIC Project | Regular Fee:$99. After discount $60 |
| Black Belt Practitioner | CLSSBBP | CLSSGBP + 5+ yrs exp. | 150 Qs | 3 Hrs | 75% | 2 Projects | Regular Fee:$199. After discount Fee:$100 |
| Master Black Belt Practitioner | CLSSMBBP | CLSSBBP + 7+ yrs exp. | 200 Qs | 4 Hrs | 80% | Portfolio + Panel | Regular Fee:$399. After discount Fee:$150 |
Apply for Certification through Registration
Email: admission@qualityprogressbd.com · WhatsApp: 1954-577058
Important Links
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Certification Policies
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Verify Certificate
Instant online CLSSP verification
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Master Black Belts & certification panel
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