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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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Great Course for Personal and Professional Growth
I loved the course and found it to be a valuable learning experience. It has helped me improve my knowledge, skills, and confidence, supporting both my personal and professional development.
Lean Six Sigma Green Belt
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Nibedita Chatterjee
11/06/2026
Associate Manager, Vikram Solar
Very Informative Learning Experience
The course was very informative and provided valuable knowledge and insights. The content was well presented, making it easy to understand and apply the concepts effectively.
Lean Six Sigma Green Belt
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Shubhadeep Samanta
11/06/2026
Associate Manager, Vikram Solar
Very Good Learning Experience
The learning experience was very good, and I had the opportunity to learn many new concepts and skills. The course was informative, engaging, and added valuable knowledge that will be useful in my professional growth.
Lean Six Sigma Green Belt
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Arup Mahapatra
11/06/2026
Deputy Manager, Vikram Solar
Good Learning Experience
The course was good and provided a valuable learning experience. The content was informative, well organized, and helpful in enhancing my knowledge and skills.
Lean Six Sigma Green Belt
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Anirban Sen
11/06/2026
Deputy Manager, Vikram Solar
Exceptional and Practical Six Sigma Learning Experience
The Six Sigma course was exceptionally well structured, insightful, and practical. The concepts were explained clearly using real-world examples, making complex methodologies easy to understand and apply.
The instructor demonstrated deep expertise and provided valuable guidance throughout the learning journey. The hands-on exercises and case studies significantly enhanced my analytical thinking and problem-solving abilities while reinforcing the practical application of Six Sigma tools and techniques.
Overall, this course has greatly improved my process improvement skills and increased my confidence in implementing data-driven solutions. I highly recommend it to professionals seeking to strengthen their capabilities in operational excellence and continuous improvement.
Lean Six Sigma Green Belt
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Kousik Maiti
11/06/2026
Associate Manager, Vikram Solar
Very Good Learning Experience
This course provided a very good learning experience. The sessions were informative, engaging, and helped enhance my knowledge and understanding of the subject. Overall, it was a valuable and rewarding learning journey.
Lean Six Sigma Green Belt
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Insightful Sessions with Excellent Real-World Examples
The sessions were highly insightful and provided valuable learning throughout the program. The instructor explained the concepts clearly, and the practical examples shared during the sessions were excellent, making complex topics easy to understand and relate to real-world scenarios.
Overall, it was an engaging and enriching learning experience that strengthened my understanding of the subject.
Lean Six Sigma Black Belt

