About Us

Turning Data to Empower You to Make Strategic Decisions

iExcel Limited

We are a New Zealand based company with over a decade of experience helping businesses unlock the full potential of their data. At iExcel, we transform complex information into clear, practical insights that support smarter decisions and better results.

Our team combines expertise with genuine care. We’re big enough to deliver exceptional outcomes, yet small enough to stay personal and responsive. Every project is guided by our commitment to quality, innovation, and long-term partnerships.

Our Core Services Include:

Excel Consulting & Training

We create smart Excel solutions that fit the way you work from automation and advanced formulas to dashboards and macros. iExcel also offers hands on training so your team can save time and feel confident using Excel every day.

Data Analysis & Analytics

Got data but not sure what it’s really saying? We’ll help you turn it into clear insights with tools like Excel, Power Query, and Power BI, perfect for tracking performance and making better business calls.

Data Cleanup & Preparation

Messy data slowing you down? We tidy, structure, and prepare your information so it’s clean, accurate, and ready to use helping you make smart, reliable decisions with ease.

Expertise You Can Trust

The iExcel team is made up of experienced professionals who know their way around data and Excel inside out. With years of hands-on experience, we deliver practical solutions you can rely on, always focused on quality, accuracy, and results that make a real difference.

Areas of Expertise

  • Artificial Intelligence research and development, specialising in natural language processing (NLP), machine learning, and the mathematical foundations of AI
  • Customer support management: analysing root causes, providing insights, and educating teams to reduce recurring issues 
  • CRM consulting: SalesLogix, Salesforce, StayinFront CRM, and Zoho CRM

⸺⸺  DIRECTOR

Dr. Thamil Vamathevan

Dr. Thamil Vamathevan is an Artificial Intelligence Engineer with extensive experience in project leadership, software architecture and design, software development, team management, customer support, and mathematical modeling. She combines technical expertise with a practical, results-focused approach.

ACADEMIC FOUNDATION

Ph.D. in Natural Language Processing (AI), AUT, Auckland, New Zealand.
Postgraduate Diploma in Information Science (Information Systems), Massey University, Auckland, New Zealand.
B.Eng. (Hons) in Computer Engineering, University of Melbourne, Australia.

⸺⸺  DIRECTOR

Dr. Thamil Vamathevan

Dr. Thamil Vamathevan is an Artificial Intelligence Engineer with extensive experience in project leadership, software architecture and design, software development, team management, customer support, and mathematical modeling. She combines technical expertise with a practical, results-focused approach.

ACADEMIC FOUNDATION

Ph.D. in Natural Language Processing (AI), AUT, Auckland, New Zealand.
Postgraduate Diploma in Information Science (Information Systems), Massey University, Auckland, New Zealand.
B.Eng. (Hons) in Computer Engineering, University of Melbourne, Australia.

Areas of Expertise

  • Artificial Intelligence research and development, specialising in natural language processing (NLP), machine learning, and mathematical foundations of AI
  • Customer support management: analysing root causes, providing insights, and educating teams to reduce recurring issues 
  • CRM consulting: SalesLogix, Salesforce, StayinFront CRM, and Zoho CRM

CONSULTANT  ⸺⸺ 

Geoff Beals

Geoff Beals holds a BCom and a Diploma of Corporate Management from Auckland University. He is an associate member of both the New Zealand Institute of Chartered Accountants and Chartered Secretaries New Zealand.


Geoff has a strong background in business analysis and software development, with proven ability to translate business requirements into practical software solutions. 

Over the past five years, he has worked with a capital asset management consultancy, primarily contracting to local and central government organisations. As an independent consultant specialising in advanced Excel consulting and programming, Geoff has delivered projects for: 

South Canterbury District Health Board
Wanganui District Health Board
Tertiary Education Commission
Spotless (NZ) Ltd

CONSULTANT  ⸺⸺ 

Geoff Beals

Geoff Beals holds a BCom and a Diploma of Corporate Management from Auckland University. He is an associate member of both the New Zealand Institute of Chartered Accountants and Chartered Secretaries New Zealand.


Geoff has a strong background in business analysis and software development, with proven ability to translate business requirements into practical software solutions. 

Over the past five years, he has worked with a capital asset management consultancy, primarily contracting to local and central government organisations. As an independent consultant specialising in advanced Excel consulting and programming, Geoff has delivered projects for: 

South Canterbury District Health Board
Wanganui District Health Board
Tertiary Education Commission
Spotless (NZ) Ltd

READY FOR A CHANGE?

Interested in our services?

We’re here to help!

We want to know your needs exactly so that we can provide the perfect solution.
Let us know what you want and we’ll do our best to help.