Skilled Professionals

Different Game Plan

We have seen many people struggling with utilizing Excel efficiently. Using the SSMI methodology not only allows you to avoid both mechanical and logical mistakes when creating spreadsheets, but also lets you develop spreadsheets faster. Our method is easy to learn – you don’t have to memorize a long list of rules or guidance.

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Easy to Start

Following the SSMI methodology does not require extra work. After all, you need to create variables and their formulas one way or another, and you have to enter them in your spreadsheet. Instead of doing both at the same time, you now do them separately. You will even save time by avoiding those “What was I doing?” moments when you switch from entering a formula in your spreadsheet to the creative task of figuring out which new variable to create. Access to a community of professionals where you can ask questions and share ideas.

Simple to Reuse

Following the methodology automatically creates your spreadsheet’s documentation: The Formula Diagram and the Formula List. It is much easier to understand how your spreadsheet works by looking at the diagram rather than the spreadsheet itself. Your spreadsheets will also be easier to maintain. You start by modifying the Formula Diagram and then you know exactly what needs to be done in the spreadsheet. You get a better understanding of the impact of your changes. You can easily re-use a previous Formula Diagram, and its corresponding spreadsheet, when you start a new project. You avoid having to spend time to develop another model from scratch.

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Fast to Interpret

Have you ever tried to explain your spreadsheet to your colleagues or clients? Did you try to describe your formulas by repeatedly explaining what the cell coordinates meant? Chances are they were nodding their heads but did not fully understood your explanations. How about understanding your own spreadsheet weeks or months later? This is why explanations are a lot easier with the use of the Formula Diagram.

Get in Touch

The methodology can be learned with our book. If you need extra help, we can offer tutoring. We can also accompany with your spreadsheet developments. Email us at or fill out the contact form.