Blog
Notes on modelling and AI
99 articles from the podcast, covering project finance, valuation, AI in finance, Excel, Python and the tools behind better models.
Browse by topic: Coffee, Data analytics, Financial Modelling, Fintech, M&A, Project Finance, Recommendations
The AI Ecosystem Explained: Ten Layers from Sand to Shops
A high-level map of the AI economy in ten layers, from chips and power to models, apps and the rules that govern them, and where the money actually flows. Explore the full interactive version at aiecosystem.academy.
31 August 2026 · 6 min read
Financial Modelling with Claude
A lot has changed since we first wrote about using Claude for financial modelling. Back then, it was a clever chatbot you could paste formulas into. Now it lives inside your spreadsheet. Here's what that means for your workflow.
12 February 2026 · 5 min read
Visualise Your Model: Introducing the Formula Map Tool
The Formula Map Tool gives you a powerful visual overview of your Excel model. Instantly spot formulas, hardcodes, and complexity, making auditing, reviewing, and explaining your model faster and easier than ever.
30 July 2025 · 1 min read
Revolutionize Your Financial Models: Introducing the Grey Beards Excel Workbook Performance Analyzer
In the world of financial modelling, time is money. Whether you're racing to prepare for a client meeting, finalizing quarterly projections, or updating valuation models, nothing derails productivity like a sluggish Excel workbook.
27 February 2025 · 3 min read
Python for Excel: Supercharging Financial Modelling
The integration of Python into Excel is a game-changer. Financial modellers can now combine the intuitiveness of Excel with the power of Python, making models more robust, scalable, and insightful.
17 February 2025 · 2 min read
Essential Tools for Financial Modelling Success
My latest must-have products that can transform your financial modelling experience.
16 February 2025 · 3 min read
How Your Workspace Design Impacts Performance: The Psychology of Professional Environments
As we enter 2025, the optimization of professional workspaces becomes increasingly important. These wallpapers represent a thoughtful step toward creating an environment that supports peak financial performance.
17 January 2025 · 2 min read
5 Key Trends Shaping Project Finance in 2025
In 2025, the industry is undergoing significant changes driven by global trends and technological advancements. Here are the five key trends reshaping project finance.
14 January 2025 · 2 min read
Using Claude AI to Supercharge Your Excel Financial Modelling
As financial modellers, we're always looking for ways to streamline our workflow and reduce errors in our models. Enter Claude, an AI assistant that's proving to be a game-changer for Excel-based financial modelling.
6 January 2025 · 2 min read
Top Business Travel Must-Haves
Every item on this list makes business travel smoother, more organised, and less stressful.
23 December 2024 · 3 min read
Protecting Your Financial Models: Why and How to Implement Disclaimer Controls
As financial modelling becomes increasingly collaborative, protecting your intellectual property while maintaining usability is crucial.
3 December 2024 · 1 min read
How to Project Finance a Data Center
The surge in data centre investments by tech giants like Microsoft, Amazon, Google, and Meta underscores just how central these facilities have become to the AI-driven future.
22 November 2024 · 4 min read