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
-
Well-Structured Course with Simple Execution
“A well-structured course material and a well-planned execution with the simplest possible way of explanation with relevant but commonly observed examples.”
Benchmark Six Sigma (SP)
Lean Six Sigma Green Belt -
Clear Training with Easy-to-Grasp Content
“Overall training is clear at the understanding level. The content was easy to grasp.”
Lean Six Sigma Green Belt
-
Good Training; Easy-to-Understand Content
“Training was good, easy to understand content. The clarity of the material was excellent.”
Lean Six Sigma Green Belt
-
Excellent Course and Trainer; Beneficial Sessions
“Excellent course with an excellent trainer. The sessions were highly beneficial.”
Lean Six Sigma Green Belt
-
Soundarya Nagarajan
10/09/2023
Clear Classes; More Basics Needed
“The classes were clear. Could be focused a little more on basics. The training met my expectations but could benefit from more foundational content.”
Lean Six Sigma Green Belt
-
Logically Structured Interactive Training Sessions
“The training sessions were structured logically. The trainer had a good level of understanding of the topics and made the sessions very interactive.”
Lean Six Sigma Black Belt
-
Training Was Knowledgeable and Interesting
“Training was absolutely knowledgeable and interesting. The sessions were engaging and informative.”
Lean Six Sigma Green Belt
-
Great and Effective Training Session
“It is great and effective training session. “
Lean Six Sigma Green Belt

