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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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Awesome trainer exceeded expectations
“A wonderful teacher and awesome trainer. The training has more than met my expectations. Great presentation style with lots of examples. Your training style rocks!”
Lean Six Sigma Green Belt
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Good Training with Excellent Material and Examples
“Good training with excellent course material and classes with practical examples.”
Lean Six Sigma Green Belt
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Srinivasan M
05/02/2023
Gained New Understanding of Industrial Process Management
“The course gave me a new understanding of industrial process management with the best effective and productivity tools. It will be useful to improve the efficiency of my current process.”
Lean Six Sigma Green Belt
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Great participation; learned from trainer’s experience
“It was great for me to participate in the course. I learned a lot from my trainer’s experience. It helps me handle problems in the right way. Thanks a lot.”
Lean Six Sigma Green Belt
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Trainer’s mastery and teaching exemplary
“The trainer exhibited exemplary mastery in his field, demonstrating not only a deep understanding but also a remarkable ability to impart knowledge effectively to others.”
Lean Six Sigma Green Belt
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Well-organized Green Belt course; understood concepts for implementation
“Overall, the Green Belt course training was well-organized and helped in understanding many concepts to implement in our professional journey.”
Lean Six Sigma Green Belt
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Benchmark Makes Six Sigma Learning Easy
Learnings on Six Sigma becomes easy with Benchmark due to the module learning and the expert instructors – ensures each topic is explained to the core and in understandable manner
Lean Six Sigma Black Belt
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Complete Training; Relatable Illustrations Helpful
“The training was complete and to the point. Coming from a manufacturing background, it was much easier to relate to things and easy to understand. The trainer made it easier with tiny illustrations which were easier to grasp and relate. Overall, a wonderful learning experience.”
Lean Six Sigma Green Belt

