Tony Ratnam
The mind behind “The Spreadsheet Monster“
With 30+ years of corporate experience and a passion for Excel spreadsheet modelling, I help businesses develop automation and turn messy processes into clear, efficient solutions.
Also known as the “Excel Monster,” I thrive on solving problems and creating customised spreadsheets that save time, cut costs, and bring clarity.
Our Services
Why Choose Us !
Tailored to Your Business
No off-the-shelf templates or one-size-fits-all models. Our approach is hands-on and practical. We take the time to understand your processes, identify inefficiencies, and design tailored Excel solutions unique to your business and needs
Results That Save Time and Reduce Stress
Our models are built for efficiency. By automating manual tasks, integrating data from multiple systems, and simplifying reporting, we help you reclaim valuable hours and focus on running your business — not chasing numbers.
Your Personal Guru
You’ll work directly with an experienced professional who knows business — not just spreadsheets — and who’s passionate about creating tools that truly make a difference & save you time, improve visibility to support better decisions
Ongoing Support
Our relationship doesn’t end at delivery. We provide dedicated post-implementation support to ensure your spreadsheet models continue to function smoothly as your business evolves. Whether it’s fine-tuning, troubleshooting, or training your team, we’re only ever an email or call away. Your success is our priority — long after the project is complete.
Proven Corporate Expertise
With over 30 years in the corporate sector, we bring a deep understanding of financial management, systems setup, and business process improvement. Our experience spans industries including Health Care, Education, Logistics, Manufacturing, IT, Construction, Equipment Hire and many more — meaning we speak your business language.