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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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Extremely enriching and transformative experience
Learning Six Sigma Green Belt through Benchmark Six Sigma has been an extremely enriching and transformative experience. The program delivered a perfect balance of conceptual clarity, practical applicability, and hands‑on problem‑solving, making the overall learning journey highly valuable.
The Six Sigma Green Belt program by Benchmark Six Sigma exceeded my expectations. It is thoughtfully designed, expertly facilitated, and highly practical. I now feel well‑equipped to lead improvement projects, reduce process variation, improve quality, and contribute more effectively to organizational goals.Lean Six Sigma Green Belt
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Good Learning Experience
The experience was good and provided useful learning. Overall, it added value and contributed positively to my understanding and skills.
Lean Six Sigma Black Belt
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Ideal Upskilling in Lean Six Sigma
This course is an excellent choice for professionals looking to upskill their knowledge in Lean Six Sigma. The content is practical, relevant, and well-suited to support continuous improvement and professional growth.
Lean Six Sigma Black Belt
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Kaushik Majumder
04/01/2026
Payroll Manager, Reckitt Benciser
Good Learning Experience
The experience was good and provided meaningful learning. The sessions were helpful in building understanding and adding value to the overall learning journey.
Lean Six Sigma Green Belt
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Practical, Comprehensive Black Belt Training
The Lean Six Sigma Black Belt program significantly enhanced my understanding of Lean Six Sigma principles. The trainer’s vast industrial experience ensured that concepts were taught through practical, real-world scenarios, making them easier to understand and apply. The curriculum included numerous practice examples and mock tests, ensuring comprehensive coverage of all concepts. I would strongly recommend this program to anyone interested in pursuing a Lean Six Sigma Black Belt certification.
Lean Six Sigma Black Belt
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Knowledgeable and Effective Training
The training was good and delivered with strong subject knowledge. The sessions were informative and helped build a clear understanding of key concepts.
Lean Six Sigma Green Belt
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Well-Paced, Clear, Expert-Led Program
The program was neatly structured with one course module covered per day, allowing for focused and effective learning. The trainer’s expertise ensured that every doubt was addressed clearly throughout the course, making the overall experience smooth, engaging, and highly beneficial.
Lean Six Sigma Green Belt
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Priya Perumal
03/01/2026
Strong DMAIC Foundation with Growth Scope
The Six Sigma Green Belt training provided a solid understanding of DMAIC and key quality tools. It significantly enhanced analytical and problem-solving skills. Incorporating additional hands-on statistical practice would further strengthen the learning experience and practical confidence.
Lean Six Sigma Green Belt