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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 Instructions Made Concepts Easy to Learn and Understand
“The instructions by the trainer made the concept to learn and understand a easy way”
Lean Six Sigma Green Belt
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Effective and Professional Web Training
“The training was effective and very professional inspite connecting through web”
Lean Six Sigma Green Belt
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Experienced Trainer Clarified Concepts Simply
“Very well experienced trainer. Clearing concepts very nicely with simple day to day examples.”
Lean Six Sigma Green Belt
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Professional Coordination; Experienced Instructors; Excellent Org.
“Benchmark coordinated the entire course in a very professional manner, support from Benchmark staff was their for almost round the clock, excellent coordination among staff, quick query resolution, very professional and experienced instructors.Overall an Excellent professionally managed organization.”
Benchmark Six Sigma (SP)
Lean Six Sigma Black Belt -
Program Enhanced Analytical Skills at Micro and Macro Levels
“The program helped me to further drill down the analysis and focus areas on micro and macro levels, enhancing my analytical skills and attention to detail.”
Lean Six Sigma Black Belt
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Great Teaching Style Ensured Understanding
“The teaching style in this session was great, ensuring that all participants could follow along and understand the material effectively.”
Lean Six Sigma Black Belt
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Interactive Sessions Enhanced Understanding
“Great faculty and interactive sessions, providing valuable insights and engaging learning experiences that enhance understanding and retention.”
Lean Six Sigma Black Belt
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Excellent Training with Plenty of Examples and Doubt Clearance
“Benchmark Six Sigma is the excellent organisation that provides plenty of examples during the training programs, I really learn the various concepts which can be utilized in my regular work. At the same time the gained knowledge will help to choose the project. Special thanks to the trainer who cleared all our doubts during multiple sessions of LSSBB.”
Lean Six Sigma Black Belt

