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
-
Mamta V Chouhan
Associate, JP Morgan Chase
Facilitation Techniques Not Applicable (N/A)
“The facilitation and techniques used in the training program were not applicable, as indicated by ‘N/A’.”
Lean Six Sigma Green Belt
-
DURAI RAJ M
Assistant Manager, AGS Health
Effective Problem Identification and Resolution Course
“The course made it easy to identify and solve problems, opening my eyes to powerful statistical tools for addressing issues at the root level.”
Lean Six Sigma Green Belt
-
PRADEEP.M
JTO, Kirloskar Electric company
Excellent Presentation of Problem-Solving Tools
“The presentation was excellent and the different tools and techniques to solve problems were well-covered.”
Lean Six Sigma Green Belt
-
R Raman
Associate Professor, Kohinoor Business School
Best Place for BB Training; Simplifies Statistics
“Benchmark is the best place to pursue BB training as the trainer makes the complicated statistical content look very easy”
Lean Six Sigma Green Belt
-
Cynthia Alex
A.M. Continuous Improvement, Allianz India
Instructor: Quick-Paced, Understandable Complex Concepts
“The instructor was notably quick-paced yet easy to follow, making complex concepts understandable.”
Lean Six Sigma Green Belt
-
Parveen Kumar
AGM, Alstrong Enterprises India Private Limited
Six Sigma Knowledge Enhanced by Expert Trainer.
“I sought to understand the practicality of Six Sigma Methodology, and the day-to-day examples brought the concepts to life. Mr. Vishwadeep Khatri excels as a trainer, making difficult concepts easy and accessible for anyone, which is truly remarkable.”
Lean Six Sigma Green Belt
-
Karan Mehta
Performance Manager, Loreal India Private Limited
VK’s Knowledge and Subject Mastery Impressive
“VK’s knowledge and hold on the subject were very impressive. The training program was well-organized and insightful.”
Lean Six Sigma Black Belt
-
Arjun HSN
ML- Data Associate II, Amazon
Benchmark Six Sigma: Leader in Quality Training
“I chose Benchmark Six Sigma after reviewing many options and I’m glad I did. The method of explaining in the classroom is among the best. Truly, Benchmark Six Sigma stands out as a leader in quality training.”
Lean Six Sigma Green Belt

