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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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Ramesh Shankar Kumbhar
Engineer, Danfoss
Perfect Course Pace Allowed Full Grasp of Concepts
“The pace of the course was perfect; it was taught at a speed that allowed everyone to fully grasp and relate the concepts to their own work environments.”
Lean Six Sigma Green Belt
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RAM KUMAR SRINIVASA RAGHAVAN
Lean Process Improvement Leader, Serco Global Services
Excellent Training with Structured Delivery Appreciated
“The training was excellent overall. I liked everything about the training part and appreciated the structured delivery.”
Lean Six Sigma Black Belt
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Sambhaji Palve
Manager – Social Innovation, Danone Nutricia
Comprehensive Material Enriched Professional Development
“The course material was comprehensive and perfectly tailored to our learning objectives, enriching my professional development.”
Lean Six Sigma Green Belt
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Ford Robinson Martin
CI Specialist, Shell
Practical, Industry-Relevant Training Directly Applicable
“The practicality of the training was its best aspect. The content was highly relevant to my industry and directly applicable.”
Lean Six Sigma Black Belt
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Gaurav Naugain
Operations Manager, Delfa
Complex Topics Simplified Through Theory and Practice
“The session was all good, got to know about the complex things in the simplest way. Training was good as it contains theory as well as practicing the concepts which we study in the class.”
Lean Six Sigma Green Belt
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Aman Dassani
Student, SIIB
Instructor Captured Attention; Excellent Interaction
“The instructor’s ability to capture the audience’s attention and the interaction between the instructor and the students were excellent. It’s a good program which provides you with a good overall basic concept of Six Sigma. Professionals and trainers are on the top line and well make the understanding of the subject better in your mind.”
Lean Six Sigma Green Belt
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Prabhjot Singh Soni
Student, SIIB
Real-Life Scenarios Emphasized; Valuable for Corporate Competitiveness
“The focus on real-life scenarios and the emphasis on continuous improvement were valuable takeaways from the course. Everyone who is willing to compete corporate world must gain immense knowledge from this course.”
Lean Six Sigma Green Belt
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Shruti Chebolu
Student, SIIB
Real-Life Scenarios Emphasized; Valuable for Corporate Competitiveness
“The focus on real-life scenarios and the emphasis on continuous improvement were valuable takeaways from the course. Everyone who is willing to compete corporate world must gain immense knowledge from this course.”
Lean Six Sigma Green Belt