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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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Trainer’s Patient Teaching with Real-Time Examples and Quizzes
“The course material was really useful, and the way the trainer explained the concepts with ease was wonderful. He took time to explain the different ideas with real-time examples, provided us with quizzes, gave time for questions, and was really patient with us throughout the course.”
Lean Six Sigma Green Belt
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Kiran Naik
25/02/2024
Senior Engineer, Bosch
Excellent Training Sessions with Valuable Insights
“The training sessions were excellent. They were packed with valuable information and presented in a way that made learning both enjoyable and engaging. I truly appreciated the effort put into making the content accessible and interesting. The training provided valuable insights and knowledge.”
Lean Six Sigma Green Belt
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Viswanath Satyanarayana Nalli
21/02/2024
Program Manager, Amazon
Business Excellence MBB Course Highly Recommended
“Business Excellence MBB course with the latest industry-standard competencies is a great value add and highly recommended for all professionals. It was a great learning experience, and thanks to Mr. Vishwadeep Khatri, who facilitated the sessions in a very interactive and engaging way to impart knowledge on all the topics covered in the curriculum.”
Business Excellence Master Black Belt
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Wide-Ranging Content Provided Deep Dive into LSS Concepts
The content covered a wide range of topics pertinent to LSS methodologies, providing a deep dive into advanced concepts and techniques. The practical exercises and insights provided were highly relevant, making the learning experience very effective.
Business Excellence Master Black Belt
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Interactive Digital Sessions Comparable to Physical Classes
“Even the digital medium has been very interactive and does not feel lacking compared to physically present sessions.”
Lean Six Sigma Black Belt
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Great Learning with Expert Trainer VK
“It was a great learning experience with various types of MBB and glad to have subject expert Mr. Vishwadeep Khatri as a trainer, who has covered the content with relevant case studies and exercises, also clarified doubts as and when raised.”
Business Excellence Master Black Belt
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Mastering Parameter Selection
Understanding the right parameters or attributes to choose is essential for success. VK Sir’s explanations make this process effortless with their clarity and precision.
AHP Practitioner
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Excellent Training with Adequate Material and Exercises
“Excellent training with adequate training material with exercises. It was a top-quality course. We need this kind of course to improve our professional life. The course had lots of topics covered within three weeks, and it was very easy for us as we were working professionals.”
Benchmark Six Sigma (SP)
Lean Six Sigma Green Belt

