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Zellis
Building Capability at the Core of Payroll and HR Services
As a leading provider of payroll and HR solutions in the UK and Ireland, Zellis operates in a domain where accuracy, compliance, and service consistency are critical. Our engagement brought us into teams focused on strengthening internal problem-solving capabilities, improving process alignment, and supporting a culture of continuous improvement across operations. The commitment to excellence in delivery was matched by a clear intent to invest in scalable internal capability.
It was a privilege to work with professionals who brought diligence and purpose to every initiative. Their openness to structured thinking and collaborative improvement made this engagement both impactful and future-focused.
Testimonials for Benchmark Six Sigma
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Partho Karmakar
23/04/2023
Good TRIZ training for professionals
“The training was good with a fine balance of theory and practice. TRIZ should definitely be part of a quality professional’s toolkit. Looking forward to attending more sessions from VK.”
Creativity and Innovation Practitioner
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Grateful for Comprehensive, Engaging Training
“Firstly, I would like to express my gratitude to the trainer for their expertise and dedication to providing a comprehensive and engaging training program. The trainer was able to communicate complex concepts in a way that was easy to understand, and they were always available to answer questions and provide guidance. The course material was well-organized and presented in a logical sequence that made it easy to follow.Overall, I feel that the training has equipped me with the knowledge and skills necessary to successfully implement Lean Six Sigma methodologies in my work.Thank you for providing such a valuable learning experience. “
Lean Six Sigma Green Belt
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Comprehensive GB Basics Training Material Effective
“Training material was really good all GB basics are covered. Nice training method and examples. “
Lean Six Sigma Green Belt
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Elevated Problem-Solving Excellence
The session was truly engaging and insightful. It has significantly refined my approaches, enhancing both my problem-solving skills and strategic thinking.
Business Excellence Master Black Belt
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Anupam Goswami
22/04/2023
Delivery Excellence Lead – Sr mgr, Tata Consultancy Services
Great Program with Diverse Learning and Practical Examples
The program was great with fantastic and diverse learning. The practical examples were especially useful to apply the skills picked up. The forum questions are a great way of ensuring picking up New concepts never stops. I would encourage everyone to join this program.
Business Excellence Master Black Belt
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Engaging, Practical, and Insightful
The hands-on exercises truly unlocked our potential, making the learning experience both engaging and impactful. I am excited to apply these insights in my workplace. The content was exceptionally informative and enlightening.
AHP Practitioner
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Vidhya Rathinavelu
16/04/2023
Manager – PEx , Cognizant
AHP Mastery with a Surprise!
I thoroughly enjoyed learning about AHP for the first time. The content was well-structured and paced effectively, keeping engagement high. The unexpected reveal of an automated solution at the end added an exciting touch.
Initially, the hands-on exercise felt challenging, but as I progressed, it transitioned from confusion to clarity, ultimately making the concept feel simple and intuitive.
AHP Practitioner
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Career advancement guided by Venugopal Raman sir.
“The best period I spent to advance in my career and change the way I approach things. Thank you Venugopal Raman sir “
Lean Six Sigma Black Belt

