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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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Sourabh Nandi
15/09/2020
Operations Manager, Medico
Excellent Means of Learning to Use Tableau
“I found the course to be an excellent means of learning on how to use Tableau. I have no prior experience with Tableau, and I have followed along very well so far. I am beginning to get a clearer view of the application in real-life scenarios.”
Data Visualization Practitioner
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Madhuri Saha
15/09/2020
Executive, CESC Limited
Enjoyed Creating Databases; It Was Like Magic
“I really enjoyed creating Databases. It was like magic!”
Data Visualization Practitioner
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Shodhan Shetty
15/09/2020
Head – Business Excellence, Axis Securities Limited
Must Attend for Analytics Enthusiasts
“Must attend this program, whoever is into Analytics”
Data Visualization Practitioner
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Exceptional Mentor, Very Interactive and Supportive
“Trainer has been one of the best mentor I have ever had, very interactive and supportive training.”
Lean Six Sigma Green Belt
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Trainer Simplified Tricky Concepts; Pleasant Experience
“The trainer was very thorough and simplified the content in the best possible way. Despite some concepts being a bit tricky he clarified as much as possible. Was warm friendly and courteous as well. Had a pleasant experience with the training.”
Lean Six Sigma Green Belt
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Excellent Training Covering All Topics Thoroughly
“Excellent training and covered all topics”
Benchmark Six Sigma (SP)
Lean Six Sigma Green Belt -
Flawless Online Training Experience
“Technical trainings from the comfort of our homes – who would have thought learning could remain as interesting even in the virtual mode! Having already completed GB from this institute I was absolutely convinced with their in-person training formats and hence was a little skeptical about the online classes. However, every session was flawlessly scheduled, coordinated and imparted. Content specifically has a wide area for application, irrespective of industry. It was a refreshing experience, glad to have had the opportunity to learn from the best.”
Lean Six Sigma Black Belt
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Effective Online Course Encouraged Enrollment in Future Classes
“This is the first time I have attended a online course and wondered how it would be. It really turned out to bevery effective and I would love to enrol for other classes in the same format. “
Lean Six Sigma Black Belt

