Certified Lean
Certification (CLSSC)
Validate your Lean 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, meet the criteria, and earn your credential from the Quality Progress Certification Board.
Check Eligibility
Review prerequisites for your target certification level. Open to all backgrounds.
Register & Pass Exam
Register, pay, and take the secure online proctored examination.
Get Board Certified
Upon passing and meeting criteria, receive your official CLSSC 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 professional.
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 Bodies of Knowledge including frameworks commonly used by ASQ, IASSC, CSSC, CLSSC, 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. All credentials issued by the Quality Progress Certification Board.
Certified Lean
Practitioner
CLP
Level 1 — Foundation
- 1Globally Accessible
- 2Optional Training Available
- 3Digital Certificate Verification
- 4Exam-Based Certification
- 5No Prerequisites — Open to All
- 6Lean Principles & 8 Wastes
- 75S, Kaizen, Standard Work
- 8Certificate Lifetime Validity
Certified Lean
Manager
CLM
Level 2 — Management
- 1Globally Accessible
- 2Optional Training Available
- 3Digital Certificate Verification
- 4Exam-Based Certification
- 5Open to All Backgrounds
- 6Lean Leadership & Metrics
- 7VSM, Flow & Pull, JIT
- 8Certificate Lifetime Validity
Certified Lean
Expert
CLE
Level 3 — Expert
- 1Globally Accessible
- 2Optional Training Available
- 3Digital Certificate Verification
- 4Exam-Based Certification
- 5Experienced Professionals Welcome
- 6Advanced Lean Implementation
- 7Kanban, Takt, Heijunka
- 8Certificate Lifetime Validity
Certified Lean
Specialist
CLS
Level 4 — Specialist
- 1Globally Accessible
- 2Optional Training Available
- 3Digital Certificate Verification
- 4Exam-Based Certification
- 5Advanced Specialization
- 6SMED, TPM, Poka-Yoke, Jidoka
- 7A3 Thinking & Gemba
- 8Certificate Lifetime Validity
Certified Lean
Coach
CLC
Level 5 — Pinnacle
- 1Globally Accessible
- 2Optional Training Available
- 3Digital Certificate Verification
- 4Exam-Based Certification
- 5Coaching Competency Focus
- 6Lean Coaching & Leadership
- 7Continuous Improvement Culture
- 8Certificate Lifetime Validity
🏆 Quality Progress Certification Board
An independent, globally recognized certification body. All CLP, CLM, CLE, CLS, and CLC credentials are officially issued and verified. Our Body of Knowledge is developed with reference to internationally recognized Lean 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 / Assessment | Fee (USD) | Links |
|---|---|---|---|---|---|
| Certified Lean Practitioner | CLP | Open to All | Exam-Based Certification | 40 | |
| Certified Lean Manager | CLM | Direct Entry Available | Exam-Based Certification | 60 | |
| Certified Lean Expert | CLE | Direct Entry Available | Exam-Based Certification | 80 | |
| Certified Lean Specialist | CLS | Direct Entry Available | Exam-Based Certification | 100 | |
| Certified Lean Coach | CLC | Experienced Professionals | Exam-Based Certification | 120 |
Apply for Certification
Complete the registration form below. Quality Progress will contact you within 24 hours.
📧 Email: admission@qualityprogressbd.com · 📱 WhatsApp: 1954-577058
Important Links
Quick access to policies, verification, and more.
Examination Policy
Exam format, time limits, passing scores, retakes, security
Certification Policies
Eligibility, appeals, code of ethics, refunds
Verify Certificate
Instant online CLSSC verification
Our Assessors
Lean Experts, Specialists & certification panel
Payment Portal
Secure exam fee payment
Main Website
Complete information & updates
Have Questions?
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