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Building a B2B ICP that doesn't just say 'everyone with money'

  • 3cpsmike
  • 3 days ago
  • 3 min read

If you've ever asked a sales team "who's our ideal customer?" and got an answer like "mid-market companies that need our solution," you have an ICP problem. That's not an ideal customer profile — it's a vibe. A real ICP is specific enough that anyone in your team could go to LinkedIn, build a target list of 200 companies in 30 minutes, and you'd nod at every one of them. Here's how to build that level of specificity.

Step 1: Look backwards at your best customers

Pull a list of the 10–20 customers who buy fastest, churn least, and generate the most revenue. Look for patterns — not assumptions. Patterns to check: company size, industry, geography, tech stack, growth stage, who the buyer was, what triggered them to look for a solution.

Step 2: Disqualify aggressively

Now pull a list of customers who churned, complained, or were unprofitable. Look for the same patterns. Anything that shows up disproportionately on this list is an anti-pattern — bake it into your disqualifiers. A great ICP defines who you do not want as much as who you do.

Step 3: Define firmographic specificity

Your firmographic criteria should answer all of:

  • Industry (be specific — "professional services" is not enough; "recruitment agencies focused on tech roles" is)

  • Headcount range (e.g. 25–250 employees)

  • Annual revenue or funding stage

  • Geography (which countries, which regions inside those countries)

  • Business model (B2B, B2B2C, marketplace, etc.)

Step 4: Add technographics and behavioural signals

Firmographics tell you who the company is. Technographics and signals tell you when they're ready. Useful examples:

  • What tools do they use that complement or compete with yours?

  • Have they recently raised funding, hired a new VP of Sales, opened a new office?

  • Are they hiring for roles related to the problem you solve?

  • Are they posting content about the problem?

Step 5: Define the buyer persona, not just the company

A company doesn't buy — a person does. Your ICP should specify who in the company you're targeting, including: their title (and 2–3 acceptable variants), where they sit in the org chart, the problems they're personally accountable for, and the outcomes they're measured on.

Step 6: Write it as a one-page document and use it everywhere

An ICP that lives in someone's head is worthless. Write it as a one-page document that includes: the firmographic criteria, the disqualifiers, the buyer persona, and 5 example companies that fit perfectly. Share it with sales, marketing, customer success, and any outbound agency you work with. Reference it in every campaign brief.

When you should update your ICP

  • Every 6 months as a baseline

  • After every 10 new customers — patterns may have shifted

  • When churn rises in a specific segment

  • When you launch a new product or enter a new region

What an over-broad ICP costs you

If your ICP is too broad, three things go wrong. Your outbound messaging becomes generic because it has to appeal to everyone. Your sales team wastes time qualifying out prospects who never should have been on the list. And your close rate from booked meetings craters, which makes outbound look like it doesn't work — when actually it's the targeting that's broken.

At Supernova AI, ICP definition is the first thing we do with every new client — before we send a single email. If you want to see how we build ICPs for B2B clients that have to scale, book a 30-minute strategy call.

 
 
 

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