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TAM SAM SOM: Everything You Need to Know

By Hannah Whiteoak - Guest Contributor

Published
5 min read
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TAM SAM SOM are metrics that define your market.

Embarking on a new business venture is thrilling, but grounding your aspirations in reality is crucial. The right metrics can help you develop attainable goals. TAM SAM SOM—total addressable market, serviceable addressable market, and serviceable obtainable market—are metrics that define your market. They form the foundation of your business plan, aiding in crafting effective marketing strategies, setting realistic revenue goals, and choosing worthwhile markets.

What is TAM SAM SOM?

Total addressable market (TAM), serviceable addressable market (SAM), and serviceable obtainable market (SOM) are essential metrics in business strategy and market analysis. Let’s take a look at the TAM SAM SOM meanings so you can understand how to use TAM/SAM/SOM in your business strategy.

Total addressable market (TAM)

TAM represents the entire potential market demand for a specific product or service. It is the maximum revenue a business could possibly generate in an ideal world by selling its offering in a particular market. Calculating TAM involves a thorough bottom-up analysis, estimating the total number of customers in the market and multiplying it by the estimated average annual revenue per customer. TAM is crucial for objectively assessing a market's growth potential and determining product-market fit.

Serviceable addressable market (SAM)

SAM refines the TAM by considering the limitations imposed by a business's model, such as specialization or geographic constraints. It represents the portion of the market that a business can realistically target and serve. To calculate SAM, you can identify potential customers suitable for your business and multiply this figure by the average annual revenue of these customers. SAM aids businesses in setting achievable targets and refining their marketing and sales strategies.

Serviceable obtainable market (SOM)

SOM further narrows the focus by accounting for the competitive landscape. It recognizes that capturing 100% of the serviceable addressable market is often unattainable. SOM calculates the realistic market share a business can achieve in the short term. SOM is valuable for setting short-term growth targets, competitive awareness, and strategic planning.

In essence, TAM SAM SOM provides a structured approach for businesses to understand and navigate their potential markets. These metrics are instrumental in strategic decision-making, resource allocation, and goal-setting. They serve as a compass, guiding businesses to enter markets with realistic expectations and sustainable growth plans.

What are the benefits of TAM SAM SOM analysis?

Conducting TAM SAM SOM analysis is pivotal for objective market evaluation. It helps estimate growth potential, ensures that the product is a good fit for the target market, and guides realistic revenue goals. By breaking down the market into segments, this analysis enhances strategic decision-making, making your entry into markets more informed and resource-efficient.

Why is TAM SAM SOM important for marketing?

TAM SAM SOM metrics are linchpins in marketing and sales strategy. They provide insights into market size, potential customer base, and achievable market share. These metrics guide resource allocation, helping businesses focus on markets that align with their capabilities and goals.

How can you use TAM SAM SOM to grow your business?

TAM SAM SOM aids in business strategy and growth planning at every stage. Understanding market opportunities, target audiences, and income potential allows for informed decision-making. Whether seeking funding or strategizing for growth, these metrics serve as invaluable tools for effective communication and planning.

How do you calculate TAM SAM SOM?

Calculating the total addressable market (TAM), serviceable addressable market (SAM), and serviceable obtainable market (SOM) involves a detailed and systematic approach. These metrics are crucial for businesses to understand their market potential, set realistic goals, and devise effective strategies.

Total addressable market (TAM) calculation

Formula: TAM = Total number of customers × Average annual revenue per customer

Here's how you can use this formula to calculate TAM:

  • Conduct a bottom-up analysis: Count the total number of potential customers in the market.

  • Calculate or estimate the average revenue per customer: Determine the average annual revenue per customer through your sales figures.

  • Multiply the two figures: Calculate the TAM by multiplying the total number of customers by the average annual revenue per customer.

Serviceable addressable market (SAM) calculation

Formula: SAM = Potential customers × Average annual revenue per customer

Here's how you can use this formula to calculate SAM:

  • Identify potential customers: Consider the limitations of your business model and identify the customers suitable for your offering.

  • Determine average revenue: Calculate or estimate the average annual revenue of these potential customers by making informed assumptions about the market.

  • Multiply these figures: Multiply the number of potential customers by their average revenue to get the SAM.

Serviceable obtainable market (SOM) calculation

Formula: SOM = Market share (previous year) × SAM (current year)

Here's how you can use this formula to calculate SOM:

  • Calculate market share from the previous year: Divide revenue from the previous year by SAM from the previous year to get the market share.

  • Determine the current year's SOM: Multiply market share from the previous year by SAM for the current year.

What are some real-world examples of businesses using TAM SAM SOM?

Real-world examples of businesses effectively using total addressable market (TAM), serviceable addressable market (SAM), and serviceable obtainable market (SOM) provide insights into how these metrics are applied in diverse industries.

Hypothetical examples illustrate how businesses strategically use TAM, SAM, and SOM to identify their target markets, refine their offerings, and establish a strong market presence. The ability to adapt and adjust these metrics based on changing market dynamics is crucial for sustained success. Additionally, continuous monitoring and analysis allow businesses to refine their strategies and stay competitive in their respective industries.

Next steps for using TAM SAM SOM

Understanding TAM vs SAM vs SOM is vital to refine your business strategy. Once you have clarified what TAM SAM SOM means within your organization, you can optimize your marketing strategies to focus on specific market segments. Leveraging market research software can help determine more relevant metrics such as TAM SAM SOM. You can learn more about this process by taking a look at our helpful resources. 


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About the Author

Hannah Whiteoak is a freelance writer specializing in healthcare, science, and technology topics. They hold a bachelor's degree in natural sciences and a master's degree in experimental and theoretical physics from the University of Cambridge.

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