What is STP marketing? Segmentation, targeting and positioning explained

STP is a three-step marketing framework: Segmentation (splitting the market into groups), Targeting (choosing which groups to serve) and Positioning (deciding what the brand should stand for in those people's minds). It answers who you sell to and what they should remember you for. STP comes before product, price, channel and promotion decisions, because every one of those decisions should follow from the target and the position you chose.

This guide walks through each step in a way you can apply: the bases used to segment customers, how to judge which segments are worth choosing, the main targeting strategies, and how to draw a positioning map and write a positioning statement. It closes with a fictional Thai brand taken through all three steps.

What STP marketing is and why it comes before media planning

STP marketing is the strategic process of moving from selling to "everyone" to selling to the groups you can serve best. It has been a staple of mainstream marketing textbooks for decades, and the reason it still holds is simple. Customer groups differ in needs, budgets and buying behaviour. One ad message that tries to speak to everybody usually lands with nobody.

The order matters, and it runs left to right:

1. Segmentation divides the whole market into smaller groups with similar traits or needs.
2. Targeting evaluates each group and picks the ones the business will focus on.
3. Positioning defines where the brand should sit in the target's mind compared with the other options they have.

Skip the first step and pick targets on gut feel, or write a positioning without knowing who it is for, and you tend to end up with a generic line that fits any brand, such as "great quality at a fair price". That gives nobody a reason to choose you.

Segmentation: how to split customers into groups

Segmentation means dividing a market into groups whose members are alike in ways that affect buying, while each group is different enough to need its own message or offer. There are four common bases for B2C, plus one set for B2B.

1. Geographic: by location

Region, province, urban versus rural, or climate. It is easy to apply and easy to measure, and it suits businesses whose delivery costs or customer behaviour vary by area, such as a restaurant with a limited delivery radius or a product that sells differently in Bangkok than in the provinces.

2. Demographic: by population traits

Age, gender, income, occupation, education and family status. This data is the easiest to find, and most ad platforms let you target it directly. The weakness is that people with the same age and income can buy for very different reasons. Used alone, demographics tend to produce groups that are too broad.

3. Psychographic: by lifestyle and attitudes

Values, interests, personality and lifestyle, for example health-focused buyers, early adopters, or people who pick brands on sustainability. This base explains the "why" better than demographics, but it needs interviews, surveys or online behaviour data to support it.

4. Behavioural: by behaviour

Purchase frequency, buying occasion, benefits sought, brand loyalty and user status (non-user, first-time, regular). For online businesses this is often the most useful base, because the data already sits in your own systems: order history in an online store, pages viewed on the website, or replies in a LINE Official Account.

Bases for B2B businesses

If your customers are organisations, use firmographics instead: industry, company size, headcount, region and buying structure (who uses the product, who signs off the budget). Two companies of the same size in the same industry can sit in different segments if the problem they need solved is different.

Tests a good segment has to pass

After segmenting, check each group against five questions:

• Measurable: do you roughly know how many people or companies are in it?
• Substantial: is the expected revenue worth the cost of reaching it?
• Accessible: is there a media or sales channel that actually reaches these people?
• Differentiable: does it respond differently from other groups? If it reacts the same way to the same offer, there is no need to split it out.
• Actionable: does the team have the resources to build a campaign or product for it?

A group that fails any of these should be merged with another or dropped. A common mistake is segmenting so finely that you end up with 12 groups while a two-person marketing team can realistically produce separate content for two or three.

Targeting: how to choose your target segments

Targeting is the decision about where to put resources, based on three things at once: how attractive the segment is (size, growth, buying power), how intense the competition inside it is, and how well it fits the business's strengths and goals. The largest segment is not always the best one, especially if a much bigger competitor already owns it and your budget is a fraction of theirs.

Four targeting strategies

Undifferentiated (mass marketing) uses one offer for the whole market. It suits products where needs barely differ, such as some basic goods, but it needs a large media budget and mostly competes on price.

Differentiated picks several segments and builds a separate offer or message for each. It covers more of the market, but the cost of content, products and management rises with every segment you add.

Concentrated (niche) commits to one or two smaller segments that you can serve better than anyone else. This is a frequent choice for startups and SMEs because budgets are limited. The risk is that if that segment shrinks, all of your revenue feels it.

Micromarketing tailors the offer down to local areas or individuals, for example messages based on purchase history. Digital tools make it easier than it used to be, but it needs properly consented customer data and systems to run it.

A simple way to score segments

One practical method is a scoring table that rates each segment from 1 to 5 on market size, growth, competitive intensity (less competition earns a higher score), fit with your strengths and cost to reach, then weights the criteria by the business's goals. The totals are not the final answer, but they force the team to argue with written reasons instead of choosing the segment the boss likes.

Positioning and brand positioning explained

Positioning is deciding what you want the target to think of you as, and how you differ from their other options. Brand positioning is that position at the level of the whole brand rather than a single product. Good positioning has two parts:

• Points of parity (POP): what customers expect from every brand in the category. Without them you are not even considered. A coffee shop has to be clean and serve coffee that meets a basic standard.
• Points of difference (POD): what you do better or differently, and what the target genuinely values.

Drawing a positioning map (perceptual map)

A positioning map is a two-axis chart that shows where brands sit in customers' eyes. The steps:

1. Pick two factors the target really uses to decide, such as price versus convenience, or premium versus natural. These should come from talking to customers, not from what the team wants to show off.
2. Place competitors and your brand on the chart based on customer perception, not on how you see yourself.
3. Look for empty space, then ask whether customers actually exist there. Some gaps are empty because nobody wants them.

Writing a positioning statement

A positioning statement is an internal document, not an advertising slogan. It is the yardstick for judging whether content, campaigns or new products fit the chosen position. A widely used template is:

For [target segment] who [need or problem], [brand] is the [frame of reference] that [main point of difference] because [reason to believe].

The "reason to believe" matters a lot. Without evidence behind it, such as a production process, ingredients, a guarantee or a verifiable feature, the positioning is just ad copy.

Once the positioning is set, the next job is making every touchpoint say the same thing, from the logo and imagery to the tone of voice in posts. That work is brand identity, which turns the positioning into something customers see and remember.

The three STP steps in one table

A Thai STP example (fictional brand, for illustration only)

Note: "Nawa Drip" is a fictional brand created only to illustrate the steps. It is not a real company, and any figures in this section are hypothetical.

Assume Nawa Drip sells drip-bag coffee made from Thai-grown beans through an online store and a LINE Official Account. The team has a limited marketing budget and needs to decide which customers to focus on first.

Step 1: segment

The team splits the coffee-drinking market into four groups, mainly on behaviour and lifestyle:

• Group A: city office workers who buy café coffee every day and want to spend less.
• Group B: specialty coffee fans who care about origin and roast level.
• Group C: people buying coffee as a gift or souvenir around festivals.
• Group D: people working from home who want good coffee without buying equipment.

Step 2: target

Scoring the groups, the team sees that Group B has strong buying power but is crowded with small roasters, and expects freshly ground beans rather than drip bags. Group A is the biggest but very price sensitive. Group D matches the product's strengths (easy to brew, no grinder needed) and is reachable through social media and online stores. The team picks a concentrated strategy with Group D as the main target and Group C as a secondary, festival-season target.

Step 3: position

On a positioning map with the axes "ease of brewing" and "clarity of origin", instant coffee sits in the easy-but-no-origin corner and roasters sit in the clear-origin-but-harder-to-brew corner. The easy-and-clear-origin corner is empty. The positioning statement becomes:

For people working from home who want good coffee every morning without any equipment, Nawa Drip is the drip-bag coffee that prints the farm name and roast date on every bag, because every lot is roasted in small batches with its origin details printed for anyone to check.

With that sentence the team can settle other decisions quickly. Packaging must show the farm name. Content should talk about easy brewing at a home desk. And it should not discount to compete with instant coffee, because that would undercut the position.

How STP differs from the 4P and 7P marketing mix

STP and the 4P/7P mix work at different levels. STP is strategy: it answers who you sell to and where you stand. The 4P (Product, Price, Place, Promotion) and the 7P, which adds People, Process and Physical evidence for service businesses, are execution: they answer how you deliver that position.

The right order is STP first, then use its output to set the marketing mix. If your positioning says you are the premium option, pricing far below competitors contradicts it immediately. When a team works on the 4P/7P without STP, each P tends to be decided in isolation and the signals clash.

Common STP mistakes

• Segmenting on demographics alone, such as "women aged 25 to 34", without knowing why these people buy.
• Choosing more segments than the team can handle, then running one set of content for all of them, which amounts to not choosing.
• Building the position on something customers do not value, or on something every brand can equally claim.
• Changing the positioning with every campaign, so customers remember nothing.
• Doing STP once and never revisiting it even as the market and customer behaviour change. Review it at least once a year, or whenever sales in the main segment move unexpectedly.

If the existing position no longer fits the market, adjusting the ads is rarely enough. Sometimes the whole brand identity needs rethinking, which is the job of rebranding, and it starts by redoing STP before anything is designed.

Applying STP in the Thai market

A few things in Thailand deserve extra thought when you run STP.

Bangkok versus the provinces. Acceptable prices, buying channels and the language used can differ widely. Geographic segmentation stays useful even if you sell online nationwide.

LINE Official Accounts and social commerce. Many Thai businesses talk to customers through chat. Chat history and customer tags in a LINE Official Account are good material for behavioural segmentation, for example separating people who asked for a price but did not buy from repeat customers.

PDPA. Segmenting on personal data needs a legal basis under Thailand's Personal Data Protection Act, such as clear consent before the data is used for marketing. Micromarketing that relies on individual data therefore needs a proper consent system from the start.

Positioning language. A positioning statement written in English and translated word for word often sounds unnatural in Thai. Test the wording with real target customers and check which words Thai people use to search for or talk about the category.

For young businesses, STP makes a small budget go further because it forces you to pick a segment you can win first. Planning digital marketing for startups should begin here, before any channel is chosen.

Using STP in digital marketing

STP output translates directly into settings in digital tools:

• The chosen segments become audiences in ad platforms, such as interest groups, website visitors, or consented customer lists.
• The words the target uses to search become content topics and ad keywords.
• The positioning statement becomes a checklist for ad copy. If an ad talks about something outside your points of difference, ask whether it supports the position or blurs it.
• Metrics should be split by segment so you can see whether the chosen groups respond as expected. If they do not, go back to the targeting step.

Digital branding is the work of keeping that position consistent across every online channel, from the website and social accounts to ads.

Frequently asked questions about STP

What does STP stand for?

STP stands for Segmentation, Targeting and Positioning: dividing the market, choosing the target groups and setting the brand's position. The steps always run in that order, because each one uses the output of the one before.

Does a small business need STP?

Yes, and small businesses benefit most because a limited budget cannot be spread across every group. A short STP session of a few hours, combined with conversations with five to ten real customers, is usually enough to sharpen both the target and the message.

How is positioning different from a slogan?

Positioning is the place you want to hold in the customer's mind, written as an internal document to guide decisions, while a slogan is a short line used in communication. Slogans can change from campaign to campaign, but each one should reflect the same positioning.

How often should STP be reviewed?

Review it at least once a year and whenever there is a signal of change, such as a new competitor entering your main segment, sales in the target group falling for several months, or a new product aimed at a different group.

Start with STP before spending on marketing

If your brand cannot yet say clearly who it sells to and why customers should pick it, redoing STP is the most useful place to start before adding ad budget. The Relevant Audience team can help shape brand strategy and turn it into a digital plan. To talk it through, get in touch via our digital branding service page.