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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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Swarandeep Juneja
15/08/2021
Assistant Manager – Process Excellence, Analytix Business Solution
Ideal RPA Training for All Levels
This RPA training is perfect for beginners, offering a strong foundation while also providing valuable insights for continuous learning and expertise development.
Strategic RPA Practitioner
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Wonderful and Satisfactory Math and Stats Training Experience
“Overall, a wonderful experience. Very satisfied with the training. Math and stats knowledge is a must. Overall, a great learning experience that enhanced my understanding of these subjects.”
Lean Six Sigma Green Belt
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Grateful for VK Sir; MBB Course Added Value
Thank you VK Sir for your guidance and support, this MBB course had 7 competencies, each one was unique and were power packed with examples and demonstration. I enjoyed my learning with all examples, team exercises and industry-wise case study. It’s a value add to my knowledge and career growth.
Business Excellence Master Black Belt
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Creativity and Innovation Training Changes Perspective.
“Creativity and Innovation Practitioner session helps me to think differently. My previous thought was that we could not teach others in the title “Creativity and Innovation”. We have a methodology to learn the title. This is amazing. TRIZ metric excel is fantastic. Thank you! esp. VK.”
Creativity and Innovation Practitioner
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VINOD JEBA AZIR
09/08/2021
Senior Process Improvement Analyst, Gulf Aluminium Rolling Mill
Learned Innovative Tool Through Effective Sessions; Kudos to VK for Teaching Skills
“A very useful and innovative tool learnt through effective and interactive sessions. Enjoyed contributions from the team bringing new perspectives. Kudos to the mentor VK for his patience and teaching skills. Time to put the tool to use.”
Creativity and Innovation Practitioner
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Triz Exceeds Brainstorming, Broadens Insight Scope.
“The tool Triz is far better than brainstorming. It gives a lot of insight and opens the mind to large scope.”
Creativity and Innovation Practitioner
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Practical Insights and Valuable Industry Information Directly Applicable
“Very good points in the industry field. Thank you for the practical insights and valuable information that can be directly applied in my work.”
Lean Six Sigma Green Belt
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Exceptional Content with Understandable Examples
“The course content at Benchmark Six Sigma is exceptional, featuring excellent examples that are not only useful but also easy to understand. It’s evident that a lot of thought went into crafting the materials, ensuring maximum clarity and effectiveness.”
Benchmark Six Sigma (SP)
Lean Six Sigma Black Belt

