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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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Benchmark Is Premier Platform for Skill Development and Career Enhancement
“Benchmark stands out as one of the premier learning platforms catering to corporate professionals, offering unparalleled opportunities for skill development and career enhancement.”
Lean Six Sigma Black Belt
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Cooperative Trainer Simplified Concepts
“The trainer was cooperative and made things easy to understand. Each individual’s questions were answered thoroughly.”
Lean Six Sigma Green Belt
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The trainer is Engaging; Great Job Throughout Training
“The trainer didn’t waste a single minute or word. He was engaging and kept the flow well from registration until now. Great job!”
Lean Six Sigma Green Belt
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Interactive and Lively Online Training Session Thoroughly Enjoyed
“The training session was so interactive and lively even though it was online. I thoroughly enjoyed it.”
Lean Six Sigma Green Belt
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Pooja Mathur
15/08/2021
Associate, HSBC
Enriching and Fulfilling Learning Journey
“Engage in a comprehensive learning journey that leaves no stone unturned. My experience with this course was enriching and fulfilling, surpassing all expectations.”
Lean Six Sigma Black Belt
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Amazing Training with Informative Discussions
“Thankyou so much for such an amazing training! The discussion were truly informative, interesting and easily understandable. Also, thankyou for always helping us clarify our queries even after the sessions are over. I look forward to attend your future training, If possible. I will surely recommend this training to all my colleagues. 5”
Benchmark Six Sigma (SP)
Lean Six Sigma Black Belt -
Great, Informative Training Content
“The training was great, and the content was extremely informative. Enjoyed every bit.”
Lean Six Sigma Green Belt
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Mentor Made Concepts Clear and Interesting
“Mayank Gupta is an excellent mentor as he made the entire concept crystal clear in an interesting way and took all our doubts patiently. He has made the entire course interesting and enriching. So it was a wonderful experience to be trained by such a professional trainer.”
Lean Six Sigma Black Belt

