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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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Rachna Malhotra
28/02/2018
Process Excellence Manager, British Telecom
Extensive Discussion with Examples Beneficial
“The extensive discussion with examples was very beneficial. This interactive approach helped deepen my understanding of the material.”
Lean Six Sigma Black Belt
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VIKAS ROY
28/02/2018
Assistant Manager – Process Excellence, British Telecom
Helpful Content and Knowledgeable Trainer
“The content and examples were very helpful. The trainer is knowledgeable and competent, making the learning process very effective.”
Lean Six Sigma Black Belt
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Vinod Kumar G
25/02/2018
Team Lead, Flipkart
Valuable Subject Matter Explanation and Well-Organized Learning Platform
“The explanation of the subject matter was what I found most valuable. Overall, I found the Benchmark Six Sigma Website to be very well-organized and conducive to effective learning.”
Lean Six Sigma Green Belt
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Arjun Kumar Sahu
25/02/2018
Manager, Coca-Cola
Highly Effective Training Accessible to All
“The Benchmark Six Sigma Website offers a highly effective training program that covers comprehensive course material, a smooth flow of training sessions, and trainers with extensive subject knowledge and excellent communication skills. Even individuals without a basic knowledge of the subject can benefit significantly from this program, making it highly accessible and impactful.”
Lean Six Sigma Green Belt
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Rahul Praful
25/02/2018
Freecharge
Valuable Course Structure and Knowledge Imparted
“I found the structure of the course and the knowledge imparted to be the most valuable aspects.”
Lean Six Sigma Green Belt
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Pathuri Bilva S Kumar
25/02/2018
Operations Manager, Intelenet Global Services
Excellent Experience; Management Supportive
“It’s wonderful to hear that your experience with Benchmark Six Sigma was excellent from start to finish! It’s evident that the management played a significant role in supporting and guiding you throughout your journey, ultimately contributing positively to your career.”
Benchmark Six Sigma (SP)
Lean Six Sigma Green Belt -
SRIJITH DHARMARAJAN
25/02/2018
Process & Capability Analyst, Hewlett Packard
Best-in-Class Training Simplifies Core Concepts
“The Benchmark Six Sigma Website offers best-in-class training with a well-structured course that simplifies core concepts, making them easy to understand.”
Benchmark Six Sigma (SP)
Lean Six Sigma Green Belt -
Payam Bidanjiri
25/02/2018
Junior Production Manager, JSW Industrial Gases Private Limited
Systematic Presentation Enhanced Understanding
“I found the systematic presentation of the material by the trainer to be particularly valuable. It provided a structured and organized approach to learning, which greatly enhanced understanding. Overall, my experience with Benchmark Six Sigma Website was excellent, providing me with a great opportunity to explore various aspects of this field.”
Lean Six Sigma Green Belt

