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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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SHASHI PRAKASH
02/11/2025
MBB
Engaging and Well-Structured Learning Experience
It was a great learning experience with VK. The program was well-structured and activity-based, making the sessions interactive, engaging, and easy to grasp through practical application.
Certified AI Process Optimizer (CAIPO)
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Good and extensive training
Course is effective and obviously refreshing with detailed examples and activities. Simulation of case studies for project charter and further tool selection and its evaluation could be included for more effectiveness.
Lean Six Sigma Green Belt
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Vijay Bhaskar Ikkurthi.
02/11/2025
Senior Product Manager, Microsoft
Amazing Learning and Project Experience
It was an amazing experience overall, with valuable hands-on project exposure that helped in applying concepts effectively and gaining real-world insights.
Certified AI Process Optimizer (CAIPO)
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Informative and Practical Course
The course was very informative and provided valuable insights that can be effectively implemented in real-world scenarios.
Lean Six Sigma Green Belt
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Excellent Course Experience
It was an excellent course that delivered great insights, practical knowledge, and a clear understanding of the subject. Highly valuable learning experience!
Certified AI Process Optimizer (CAIPO)
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Great Learning Experience
Overall, the course content and faculty were excellent. The sessions were insightful and well-delivered.
Lean Six Sigma Green Belt
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Interactive and Engaging
The training sessions were highly interactive and engaging, making complex concepts easy to grasp and apply effectively.
Lean Six Sigma Green Belt
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Valuable and Effective Session
The session was good and provided valuable insights that can be effectively applied in real-world situations.
Lean Six Sigma Green Belt

