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Revenue opportunity available for a product or service From Wikipedia, the free encyclopedia
Total addressable market (TAM), also called total available market, is a term that is typically used to reference the revenue opportunity available for a product or service. TAM helps prioritize business opportunities by serving as a quick metric of a given opportunity's underlying potential.[1]
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One approach is to estimate how much of the market any company can gain if there were no competitors. A more encompassing variation is to estimate the market size that could theoretically be served with a specific product or service. TAM can be defined as a global total (even if a particular company could not reach some of it) or, more commonly, a market that one specific company could serve (within realistic expansion scenarios). This focuses strategic marketing and sales efforts and addresses actual customer needs. The inclusion of constraints such as competition and distribution challenges then modifies the strategy to frame it with realistic boundaries, reducing the market down to the serviceable available market (SAM), the percentage of the market that can be served (either by that company or all providers) out of the TAM.[1] This is occasionally referred to as PAU (Potential Active Use).
Total addressable market (TAM), or total available market, is the total market demand for a product or service,[2] calculated in annual revenue or unit sales if 100% of the available market is achieved.
Serviceable available market (SAM) is the portion of TAM that is reachable and can potentially be served by a company's products or services.[2]
Serviceable obtainable market (SOM), share of market, or Target Market, is the percentage of SAM which is realistically reached.[2]
For example, the total UK consumer expenditure on food in 2014, which is the total addressable market of food, was £198 billion (including catering, alcoholic drinks, non-alcoholic drinks and other foods).[3] The serviceable available market for alcoholic drinks, which producers of alcoholic beverages target and serve, is £49 billion.[3] Since the market for alcoholic drinks is not a monopoly, the share of market for a company producing alcoholic beverages can never reach 100% of SAM.[4]
The total addressable market shows the potential scale of the market. Estimating TAM is the first step for entrepreneurs to start up their business. It is important to estimate TAM objectively instead of exaggerating or underestimating this value with subjective attitudes, as it is vital to allocate a suitable market with potential growing capacity. Investors often tend to look for markets with high TAM values, showing confidence in such markets with great potential to increase demand for their products and services. This is a reasonable deduction, while on the other hand, a high value of TAM is not necessarily a good sign, as the total available market does not mean the high degree of demand obtained. Some other factors, such as competition level in the market, accessibility of resources, etc. would also affect the performance of the company. Hence SAM and SOM are also critical indicators to measure if the market is worth investing.[5]
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