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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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SOUMENDU CHAUDHURI
22/11/2024
AE(QA), DGQA
Excellent Teacher with Great Knowledge
“Excellent teacher with great knowledge and presentation”
Lean Six Sigma Green Belt
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Vivek Prasad Yadav
22/11/2024
Junior Engineer, DGQA
Benchmark’s Unmatched Quality in Six Sigma Training
“There may be many Six Sigma courses going worldwide. But the quality of content delivered by Benchmark is simply unmatchable as per my knowledge.”
Lean Six Sigma Green Belt
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Sriparna Banerjee
22/11/2024
Senior QA Engineer, Freudenberg E Power Systems
Extremely Satisfied with Well-Structured Green Belt Training
“I recently completed my Green Belt training with Benchmark, and I am extremely satisfied with the experience. The training session was well-structured, and the Benchmark team, along with the mentor, provided excellent support throughout.”
Lean Six Sigma Green Belt
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Trainer’s Expertise Made Training Great
“Great trainer , his expertise and experience is clearly visible while teaching. Great to have such a sir.”
Lean Six Sigma Green Belt
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Mohammad Riyadh Al Kamal
20/11/2024
Head of Supply Chain Excellence, Abul Khair Group
Knowledgeable and Approachable Trainer
“The training content was comprehensive and engaging, making complex topics easy to understand. The trainer was knowledgeable and approachable, fostering an interactive learning environment. Highly recommend this platform for effective online & offline training!”
Business Excellence Master Black Belt
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Godaarawe Kankanamalage Sanuja Godaarawa
20/11/2024
Head of Business Excellence and QHSE, Hellmann MAS Supply Chain
Informative Course with Engaging Trainer
“The course was highly informative and well structured and the trainer’s clear explanation engaging style and supportive approach made learning both enjoyable and effective.”
Business Excellence Master Black Belt
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Deep Dave
18/11/2024
Manager, Abbott Healthcare Private Limited
Enriching MBB Certification with Vishwadeep Khatri
““I had the privilege of completing my Master Black Belt certification with Benchmark Six Sigma under the guidance of Vishwadeep Khatri. His depth of knowledge, clarity in explaining concepts, and practical approach to Lean Six Sigma are unparalleled. Vishwadeep sir’s ability to simplify complex topics and connect them to real-world applications made the learning experience truly enriching. His dedication to excellence and his passion for continuous improvement inspire every participant. I highly recommend Benchmark Six Sigma for anyone aspiring to achieve mastery in operational excellence.”
Business Excellence Master Black Belt

