How does it work?

Sign up, learn at your own pace, and obtain your internationally recognized certificate. With personal guidance from our experts whenever you need it.

How does it work?

Sign up, learn at your own pace, and obtain your internationally recognized certificate. With personal guidance from our experts whenever you need it.

You set the pace. We take care of the rest.

Dmaic.com offers complete online Lean and Lean Six Sigma training courses. From White Belt to Black Belt. Learn when it suits you, combine theory directly with practice, and obtain an internationally recognized certificate at your own pace.

4.8 / 5 • 55+ reviews on Google

Never alone. Always an expert at hand.

Learn online, but with the right guidance. During your Lean or Lean Six Sigma training, our experts are ready to assist you. Do you have a question, or are you stuck on something? You can reach your course instructor via WhatsApp, email, or phone during office hours.

Anend Harkhoe, founder of Lean
Trained in the Lean method in Japan
Experience in the healthcare and financial sectors

Personal guidance

Can’t figure it out? Your Lean expert is ready to help via WhatsApp, email, or phone. During regular office hours.

The number 1 online Lean trainer

Since 2020, the first and only place where you earn all belts (White, Yellow, Orange, Green, and Black) completely online.

Internationally recognized certificate

Lean.nl is accredited by LCS (Cardiff University). Your certificate is recognized worldwide.

Wherever and whenever you want

Learn, train, and practice via the Lean.nl app. All Lean tools always within reach.

No hassle with subscriptions

One price per learning package: includes exam and certificate. No surprises afterwards.

Personal guidance

Can’t figure it out? Your Lean expert is ready to help via WhatsApp, email, or phone. During regular office hours.

The number 1 online Lean trainer

Since 2020, the first and only place where you earn all belts (White, Yellow, Orange, Green, and Black) completely online.

Internationally recognized certificate

Lean.nl is accredited by LCS (Cardiff University). Your certificate is recognized worldwide.

Wherever and whenever you want

Learn, train, and practice via the Lean.nl app. All Lean tools always within reach.

No hassle with subscriptions

One price per learning package: includes exam and certificate. No surprises afterwards.

Your certificate in three steps

Step 1: Choose your Lean path

Choose a Lean or Lean Six Sigma belt based on your ambition and starting level, or opt for one of our value bundles. Sign up and pay a fixed price. Payment in three installments is also possible.

Step 2: Start immediately

After registration, you will receive a personal login code for the learning environment via email. Your training is immediately available under ‘My Courses’. You can start right away.

Step 3: Obtain your certificate

Learn at your own pace, wherever and whenever you want. Successfully completed all modules and interim tests? Then you will receive an internationally recognized certificate from Cardiff University.

Start today. Join 4,125 professionals.

Guidance from experienced Lean specialists
One fixed price, no hidden costs
Pass your exam with a 100% guarantee
Receive an internationally recognized certificate
Learn where and when you want, at your own pace.
Start for free with a realistic demo
Guidance from experienced Lean specialists
One fixed price, no hidden costs
Pass your exam with a 100% guarantee
Receive an internationally recognized certificate
Learn where and when you want, at your own pace.
Start for free with a realistic demo

Frequently Asked Questions

How does it work?

After registration, you will receive a personal login code and can start immediately. You learn at your own pace, wherever and whenever you want. Stuck on something? Our Lean specialists are happy to help.

What level of education do I need?

No specific educational level required. What counts? Interest and motivation.

How many study hours do I need?

That varies per training. For the White Belt, participants expect an average of 8 study hours, and for the Black Belt, 64 study hours.

How do I pay?

You pay one fixed price per training or total package, without a subscription. Payment can be made via iDeal or credit card, or in three installments via iDeal In3.

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