Your cart is currently empty!
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
-
Amazingly simple and effective training
“The training was amazingly simple and the most effective I have seen or heard. Thanks for the amazing sessions! The clarity and straightforward approach made it easy to understand and implement.”
Lean Six Sigma Green Belt
-
Helpful program; ready to apply learned skills
“It was a helpful program that made the course easier to understand. Looking forward to using the skills I learned in my profession to enhance my performance and efficiency.”
Lean Six Sigma Green Belt
-
Well-Organized Material Enhanced Learning Process
“The material was well-organized, contributing to a structured and efficient learning process.”
Lean Six Sigma Black Belt
-
Wonderful Training; Excellent Trainer Provided Understanding
“The training was wonderful, and the trainer was excellent. The sessions were well-organized and informative, providing a thorough understanding of the subject.”
Lean Six Sigma Green Belt
-
Effective Training with Skilled Instructor.
“The training was very good, and the instructor’s pace and knowledge were appreciated.”
Lean Six Sigma Green Belt
-
Effective Learning Experience with Interactive Sessions
“The sessions were really interactive and interesting. The trainer made the course easier to understand, and I look forward to applying the skills I learned in my profession. His teaching style was very effective.”
Lean Six Sigma Green Belt
-
Great Interactive Sessions with Relatable Examples
“Great interactive sessions. Examples shared were relatable to work, making it easier to see how the concepts apply in real-world scenarios.”
Lean Six Sigma Green Belt
-
Engaging Sessions Provided Improvement Techniques
“I had a great time learning new improvement techniques. The sessions were highly engaging and provided practical skills that are directly applicable to my work.”
Lean Six Sigma Green Belt

