SaaS METRIC OF THE WEEK: TAM
(Total Addressable Market). This is the metric founders are commonly asked for that is designed to give a sense of the size of the prize for a business. It helps convince investors that a founder is chasing a venture-scale sized opportunity. It’s also a metric that in my opinion most get incredibly wrong. Look for Bottom Up our Value based sizings. It is unrealistic for a company to capture the entirety of a TAM with their business or product, so building a narrative around what (within that TAM) is obtainable sets great expectations (and shows a deep understanding of the market) - called TAM-TOM-SOM. Here are some great examples of TAM