The two terms are often used as if they meant the same thing. They do not, and mixing them up leads to lists of the wrong companies or messages for the wrong people. This short guide explains the difference, shows how the two fit together with an invented example, and covers the mistakes teams make with each.
01
ICP vs buyer persona, side by side
| Ideal customer profile | Buyer persona | |
|---|---|---|
| Describes | A kind of company | A kind of person |
| Answers | Which accounts should we pursue? | Who do we talk to there, and what do we say? |
| Made of | Industry, size, region, systems, situation, trigger, disqualifiers | Role, goals, problems, objections, how they buy |
| Used by | Sales and marketing, to choose and prioritise accounts | Sales and marketing, to write messages and content |
| How many | Usually one per product or market | Usually a few per ICP, one per role in the decision |
02
What an ideal customer profile is
An ideal customer profile describes the companies that get the most from what you sell and are easiest to win and keep. It is drawn from your best existing customers and tested on past deals. It decides which accounts go on your list and which you walk away from. For the full method, read how to create an ideal customer profile.
03
What a buyer persona is
A buyer persona describes one kind of person involved in buying: what they are responsible for, what they worry about, what a good outcome looks like to them, and what makes them say no. In B2B there are usually several per purchase, because several people decide: the one who approves the money, the one who pushes for it, and the people who use it.
04
How they fit together
- The ICP chooses the companies. Without it, personas describe people at companies that will never buy.
- Personas choose the people inside them. Without them, you know which company to contact but not who, or what to say.
- The trigger connects them. An event at the company, such as a new site, gives every persona there a reason to listen, each for their own reason.
An invented example. A company sells inventory software. Its ICP: wholesale distributors of 50 to 500 staff, with stock in more than one warehouse. Its personas inside those companies:
| Persona | Cares about | Message angle |
|---|---|---|
| Operations director | Stock accuracy across sites, fewer stockouts | One view of stock in every warehouse |
| Finance director | Cash tied up in stock, write-offs | Less cash sitting on shelves |
| Warehouse manager | Picking errors, time spent counting | Fewer counts, fewer mistakes |
05
Common mistakes
Building personas before the ICP. You end up with detailed people at the wrong companies.
Treating the ICP as a person. "Our ICP is a head of operations" is a persona. The ICP is the company they work at.
Inventing personas in a workshop. Base them on conversations with real buyers, not guesses about them.
One persona for a group decision. If three people decide, you need three angles.
Never updating either. Both drift as your product and market change.
06
The ICP and persona checklist
Before you build lists or write messages
- The ICP describes companies, and was tested on past deals.
- There is one persona per role that matters in the decision.
- Each persona is based on real conversations.
- Each persona has its own angle on the same trigger.
- Both are dated and reviewed every quarter.
07
Questions
Which comes first, the ICP or the buyer persona?
The ICP. Choose the companies first, then describe the people inside them.
Is a buyer persona the same as a target audience?
Not quite. A target audience is a broad group, often used for marketing reach. A persona is a specific, named type of person in the buying decision.
How many buyer personas do I need?
One for each role that matters in the decision. For many B2B products that is two to four.
08
Where to go next
To write your ICP down, use the ideal customer profile template.