Get certified in Lean Six Sigma. Prove it.
Start free with the White Belt course and earn a verifiable certificate. Advance to Yellow Belt and Green Belt when you are ready. No prior experience required, and no software to install.
Start free with White BeltThe belt ladder
Three independent certifications, each building on the last. Begin with the free White Belt to learn the fundamentals, then progress as your role demands more.
Lean Six Sigma White Belt
FreeAwareness-level Lean Six Sigma fundamentals
Lean Six Sigma Yellow Belt
$149.95Project-team-level DMAIC tools and basic statistics
Lean Six Sigma Green Belt
$249.95Lead DMAIC projects: statistics, hypothesis testing, capability & control
Praxis Fortis is an independent training provider. This course and certificate are not affiliated with, accredited by, or endorsed by the Council for Six Sigma Certification (CSSC).
What every course includes
- Self-paced online lessons written in plain English
- A timed, randomized exam scored automatically
- A branded certificate with a unique verification number
- A public verification page so anyone can confirm it is genuine
How certification works
- 01
Learn
Work through the self-paced lessons at your own speed.
- 02
Pass the exam
Take a timed, randomized exam, scored automatically.
- 03
Earn a verifiable certificate
Receive a numbered certificate anyone can confirm on the public verification page.
Courses are authored and certified by Joe Hoffer, MHA, LBBH, PMEC, Praxis Fortis Consulting.
Frequently asked questions
Is there a free Lean Six Sigma certification?
Yes. The Praxis Fortis White Belt course and its certification are completely free. You create an account, work through the lessons, pass a short exam, and receive a verifiable White Belt certificate at no cost and with no card required.
How much does Yellow Belt and Green Belt certification cost?
Yellow Belt is $149.95 and Green Belt is $249.95, each a one-time payment. White Belt stays free, so you can confirm the format suits you before paying for a higher belt.
Do I need Lean Six Sigma experience to start?
No. The White Belt course assumes no prior knowledge and explains every term in plain language. It is designed for managers, analysts, and students who want a credible introduction to process improvement.
Is the certificate verifiable by an employer?
Yes. Every certificate carries a unique number that anyone can confirm on the public verification page. No account is required to check a credential, so an employer can validate it in seconds.
How long does it take to get certified?
Most learners finish the White Belt course in a couple of hours. You can work at your own pace, and the exam is taken online whenever you are ready.