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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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Professional and Informative Course
The course was presented in a highly professional manner, and the delivery was clear and effective. I received relevant information and learned many useful concepts throughout the program. Thank you for such a valuable learning experience.
Lean Six Sigma Green Belt
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Valuable for Career Growth
The Green Belt course was very helpful for my professional career. It provided valuable knowledge and practical insights that will support my growth and improve my ability to contribute effectively in my work.
Lean Six Sigma Green Belt
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Well-Structured and Recommended Six Sigma Course
The course content was well organized, with a clear and logical sequence maintained throughout. The strong linkage between topics helped in better correlation and deeper understanding of concepts. Overall, it is a good course, and I would recommend the Six Sigma Belt program from Benchmark to others.
Lean Six Sigma Black Belt
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Overall Positive Training Experience
Everything was good. The training met expectations and provided a positive, valuable learning experience.
Lean Practitioner and Lean Guide (Self Paced)
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Vivek Sengar
07/01/2026
Senior Engineer, Avaada
Knowledge-Rich, Career-Focused Training
The training delivered by Khatri Sir was highly knowledgeable and valuable for our careers. The sessions provided meaningful insights and practical learning that will strongly support long-term professional growth.
LSS Yellow Belt/ Problem Solving
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Pawan Mishra
07/01/2026
Senior Executive, Avaada
Informative, Well-Structured, Engaging Training
The training was very informative and well structured, which helped in clearly understanding the concepts. The trainer explained topics in a practical and engaging manner, making the sessions highly effective and impactful.
LSS Yellow Belt/ Problem Solving
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Amit Sharma
07/01/2026
Deputy Manager, Avaada
Practical, Effective, and Work-Relevant Training
The training was very effective, with tools that were extremely useful and practical. The sessions significantly improved understanding and will be highly beneficial when applying the concepts in real work situations.
LSS Yellow Belt/ Problem Solving
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Parth Dhiman
07/01/2026
Assistant Manager, Avaada
Example-Driven, Effective Training
The training was good, and the topics were explained using clear and relevant examples. This approach made the concepts easy to understand and enhanced the overall learning experience.
LSS Yellow Belt/ Problem Solving

