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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
Feedback Filters
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Amazing training; storytelling teaching made concepts clear
“The training was amazing. I was very new to these concepts and past learnings. I got to know more in-depth insights and knowledge. These things excite me, and Minitab is really wonderful. I want to learn more about them and their application in the real world. I will go ahead with the Black Belt soon. Mayank is an awesome trainer, as his way of teaching by storytelling is spectacular and easily understandable, on-point doubt clarification, but he is too formal, though. He should add some fun and engagement activities, and exercises should be added to the course material so that all can have a group discussion.”
Lean Six Sigma Green Belt
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Comprehensive but Lacks Real-World Practical Examples
“The content was comprehensive and aligned with Six Sigma principles. However, I suggest incorporating more real-world examples to enhance practical understanding.”
Lean Six Sigma Black Belt
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Effective Training; Suggest More Interactivity
“The training was effective and well-structured, providing valuable insights. While the content and delivery were commendable, a bit more interactivity could enhance engagement for an even more impactful experience. Overall, a solid 4 out of 5.”
Benchmark Six Sigma (SP)
Lean Six Sigma Green Belt -
Grace Y Tang
24/12/2023
Operational Excellence Manager, Optum Global Solutions
VK’s In-Depth Knowledge Enhanced Understanding
“VK’s in-depth knowledge and clear communication significantly enhanced my understanding.”
AHP Practitioner
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Good Experience but Material Lacked Detail
“The experience was good. However, I felt some parts of the courses were not covered in detail in the course material. The additional depth would enhance understanding.”
Lean Six Sigma Green Belt
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Harishankar Ramamoorthy
24/12/2023
Associate Director, Tata Communications
Amazing Course on AHP with Deeper Insights into Decision-Making
“The course content and the way VK took us through the program are amazing as they gave deeper insights into how we can defend our decisions through AHP.”
AHP Practitioner
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Vignesh Muthu
24/12/2023
Operations Manager, Tata Communications
Eye-Opening AHP Session Provided Accurate Analytical Methods
“It is kind of an eye-opener session where we do a few analyses with assumptions, but the AHP session provides us the way to do it properly and as accurately as possible with all logic known.”
AHP Practitioner
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Excellent Session Management Makes Learning Interesting
“The way the sessions are managed be it time, Content, or scenario-based learning is excellent and makes the sessions very interesting!”
Lean Practitioner and Lean Guide