Operational Excellence

Zestgroup improves. Processes, procedures and the way people work together. Our people continue where the others would stop. We are happy when a company or department actually runs better in practice. We achieve that with each other and with our customers. Do you want to know what Zest can do for your company?


Project Excellence

The world is complex and always in motion. Do you want to keep improving, maintaining an overview of your business and the direction of your digital transformation? You can! We believe in our unique approach, adapted to the specific customer situation. Zest is your partner to make sure you stand out in the market and achieve your goals.


Energy Excellence

We know the Dutch and European energy market like no other. We combine substantive industry knowledge and years of experience. Need assistance with improvement projects, implementations, or system updates? We are happy to help. We have forged relationships with almost all Dutch energy companies and network operators.


Procurement Excellence

There is more to it than purchasing parts when it comes to major investment projects. Think of the construction of a wind farm or a new production line in a factory. We advise on all aspects. Supplier selection, contract management, claim management, mediation; we take care of it.

Operation Excellence

our promise

Operational Excellence. Solutions that actually work. That’s what we all want. We achieve that goal through 4 phases that run continuously. We start with the analysis. Immerse ourselves in your company, the company culture and the market. We present a well-founded plan of action. Together we ensure through implementation. Your company or department learns to work according to the new method. Has Operational Excellence been achieved? We monitor, analyze and adjust where necessary. It is a continuous process.

how can we help?

Advise / Workshop

Get the dialogue going – with us AND your team! Zest offers various workshops that will take your organization or department to a higher level in an accessible way.
Get in touch to know more ›


With a Quickscan you know within two weeks where the areas for improvement of the department or your company are and you have a report with tips that you can use immediately.
Ask for a Quickscan ›


Whether it’s in-company, on location or online; our experienced business consultants provide tailor-made training from our accredited training center Zest Academy.
More about our trainings ›


We invest in our employees and keep up with all and an y developments in our business. There are many internal working groups, training courses and knowledge sessions. Want to join as a customer? Please do!
Sign in and join us ›
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Over Zest Group

About us

Zestgroup is a consultancy company that always goes the extra mile. We surprise our clients with tailormade solutions. According to our core values, with the best consultants. Our Zesters.

ZESTERS talking

Lieke de Groot
Lieke de Groot
“Even though I have not yet met my colleagues in person because of remote working, the guidance from Zestgroup is great. I talk to my manager weekly and I also receive great support and guidance for my assignment.”
Jaap Mulder
Jaap Mulder
“What gives me energy? A dynamic and varied workday and enthusiastic people do the trick! My days are never the same. I help our clients with their challenges, guide Zest consultants, attend training for myself, develop knowledge sessions…”
Marije van Haaren
Marije van Haaren
“I always look for challenges and embrace every opportunity to show my abilities. My current job gives me a lot of energy. I was lucky to be able to grow quickly in my assignment at the client within a short period of time.”

More information?

Contact us!

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Lorentzlaan 3
3401 MX IJsselstein


Postbus 294
3400 AG IJsselstein


+31 (0)30 687 46 31
Mo-fr 8.30 AM - 5 PM

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