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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
Feedback Filters
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Flawlessly Conducted Sessions
The way the training was conducted was truly fabulous—well-organized, engaging, and highly effective in delivering the intended learning outcomes.
Lean Six Sigma Green Belt
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Minimizing Errors, Maximizing Results
The training provided valuable insights into reducing the scope of errors and effectively achieving project goals, equipping me with practical strategies for success.
Lean Six Sigma Green Belt
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Ruth Klagombe
27/07/2015
Bata
Insightful Models for Process Improvement
The different models introduced during the course helped us clearly identify and understand key improvement areas within our processes, enabling a more structured and effective approach to problem-solving.
Lean Six Sigma Green Belt
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Benson Namwiba
27/07/2015
Chief Chemist, Bata
Identifying Critical Defective Areas in Operations
The most satisfying aspect of the program was learning the methods and techniques to identify critical defective areas within operations. This structured approach provided valuable insights into targeting and resolving key process inefficiencies effectively.
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Elphas Sabata
27/07/2015
Plant Engineer, Bata
Practical and Industry-Relevant Learning
The course effectively connected theory with real-world application. The practical implementation of concepts in our factory scenarios made the learning highly relevant and valuable.
Lean Six Sigma Green Belt
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Sammy Njoroge
27/07/2015
Bata
Focused on Quality and Efficiency
The course was thoughtfully designed to enhance both the quality and efficiency of the production process, providing practical insights into process improvement and operational excellence.
Lean Six Sigma Green Belt
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Ariel Ireri
27/07/2015
Manager, Bata
Effective Use of Data for Improvement
The course effectively emphasized data analysis and practical application methods to drive process improvement and achieve measurable results.The course effectively emphasized data analysis and practical application methods to drive process improvement and achieve measurable results.
Lean Six Sigma Green Belt
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Johnam M Mgheny
27/07/2015
Bata
Broad Applicability of Learning
The course covered concepts that can be applied across a wide range of real-world situations, making the learning highly versatile and impactful.
Lean Six Sigma Green Belt

