How to Bulletproof Your Excel Model: 9 Checks to Build In Today

Resources Included: Excel Model QA Checklist + 2 GPT Prompts for Auditing Excel Logic.

Excel is a maze to some, but if you work in finance or accounting a good Excel model has to be your bread and butter.

It usually takes professionals years to develop the right checks and attention to detail. If you don't have clear examples of best practice you may be missing out on some easy wins to level up the accuracy of your work.

Why this matters

One wrong cell reference can cost a finance team credibility.

It sounds dramatic, but many of us have felt the stomach drop of sending a report only to find a broken formula, a circular reference, or a wildly inaccurate total.

These errors aren’t just annoying. They impact decisions, timelines, and trust.

Most of the time, they’re not caused by incompetence. They’re caused by models that weren’t built to catch problems early.

This Modern Finance Lab edition shares a 9-point quality assurance (QA) checklist to help you build models that are clearer, cleaner, and more reliable whether you're flying solo or leading a team.

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