Solid Water blog

What is an ICP, and how do you define yours?

2026-05-21 09:53
ICP stands for ideal customer profile. It is a description of the specific type of customer who gets the most value from your product, who is most likely to convert and retain, and who is most likely to recommend you to others. It is not a description of every possible customer. It is a description of your best customer.

Why the ICP matters

Without a clearly defined ICP, marketing tends to be directed at everyone who might conceivably benefit from the product, which in practice means it resonates deeply with no one in particular. Messaging written for a broad audience is necessarily generic. Generic messaging converts at lower rates than specific messaging, and it attracts customers who are a weaker fit for the product, which drives up churn.
A sharp ICP makes every marketing decision cleaner. Which channels to use, what to say, which customer problems to address, which features to emphasise: all of these become clearer when there is a specific person the marketing is written for.

How to build an ICP from your existing customers

Start with the customers you already have. Identify the ones who use the product most actively, who have the best retention, who have referred others, and who require the least support relative to the value they generate. These are your best customers. The ICP is built around what they have in common.
Look at the firmographic data for B2B, company size, industry, role, stage, or the demographic and psychographic data for B2C, age, job, situation, behaviour. But do not stop at data. Talk to the best customers and understand what their life or work looks like, what problem they were trying to solve, what made them choose you, and what they get from the product that they value most.
The combination of the quantitative patterns and the qualitative context produces a customer description that is specific enough to be useful. Not a single archetype that is too narrow to be actionable, and not a broad category that is too vague to inform decisions.

What a useful ICP looks like

A useful ICP describes the context in which the customer lives and works, the specific problem they are trying to solve, the alternatives they considered, the moment that triggered them to look for a solution, and the outcome they are trying to achieve. It is specific enough that someone reading it would immediately know whether a given prospect fits or does not.
An ICP that says 'our customer is a 35-to-45 year old professional working at a mid-sized company' is not useful. An ICP that says 'our customer is a Head of Operations at a B2B SaaS company with 50 to 200 employees who has just taken on responsibility for a process their team has been managing manually and is looking for a way to scale it without hiring more people' is specific enough to inform a marketing strategy.
A useful ICP is specific enough that someone reading it would immediately recognise whether a prospect fits. If it applies to almost everyone, it is not specific enough.