Most companies don't have a bad ICP.

They have an assumed one.

And there's a difference.

It usually starts when the founder closes the first handful of deals.

Scrappy, relationship-driven, founder-led wins. The kind that close because the founder is in the room, it’s their network, their credibility, their ability to tailor the pitch in real time.

Those deals feel like signal.

They're not. Or at least not the signal most founders think they are.

Because what just closed was a founder-led deal. Not a repeatable GTM motion. Not proof that this customer profile is who you should be building for.

But that's exactly how it gets treated.

The founder has conviction. The early wins appear to support it. The logos look impressive. And suddenly everyone inside the company starts repeating the same narrative:

"This is our ICP."

And before long, the entire company is optimizing around a customer profile that may not represent where scalable demand actually exists.

I've seen this play out at multiple early stage companies I've been part of.

The founder feels strongly about a specific ICP.

They can describe the buyer in detail:

And on the surface it sounds validated because there are real customers attached to the story.

But when you look closer, those customers were often outliers. Won through long time relationships, founder involvement, timing, or a level of customization that doesn't scale.

Meanwhile, the actual GTM engine is quietly finding traction somewhere else entirely.

And instead of following that signal, the company keeps forcing the motion toward the assumed ICP.

That's where things get expensive.

Because an incorrect ICP doesn't just affect outbound targeting. It cascades.

And eventually everyone starts experiencing friction everywhere at once:

But the underlying issue usually isn't execution.

It's that the entire GTM system is pointed at the wrong customer and has been for months.

The signs are usually there. They just get rationalized away.

Your pipeline is full but your close rate is weak. Meetings are happening. Demo calendars are full. But conversion stays flat. The ICP you're targeting is interested enough to talk, not motivated enough to buy. Curiosity and intent are not the same thing.

Your champions can't sell internally. Deals consistently stall once procurement, finance, or executive leadership gets involved. Either the pain isn't severe enough organizationally, or you're targeting buyers without enough authority to drive consensus. Both are ICP signals.

Your best customers don't look like your target customers. Look closely at the accounts that renew, expand, refer others, and adopt quickly. Do they actually resemble the ICP your company talks about internally? Your best customers are often trying to tell you who your real ICP is long before leadership is willing to hear it.

The product roadmap keeps getting pulled in different directions. When your ICP is wrong, the customers you do close have wildly inconsistent needs. Every deal introduces a new edge case. The roadmap becomes reactive instead of strategic. That's often a sign you haven't narrowed in on the customer where the product creates the most consistent value.

Stop starting with who you want to sell to. Start with who's actually buying and more importantly, who's actually staying.

Analyze your closed-won and expansion data. Pull every deal from the last 12 months. Isolate the customers that expanded, renewed, and generated long-term value. Look for patterns industry, company size, buying trigger, urgency level, champion type. That's where your real ICP signal lives. Not in assumptions. Not in founder intuition alone.

Separate founder-led wins from repeatable wins. Which deals required the founder in the room? Those matter financially, but they shouldn't carry equal weight in ICP analysis. There's a critical difference between deals the founder can close and deals the company can close repeatedly.

Talk to your best customers, not your biggest ones. Ask them why they bought, what problem they were solving, what would have happened if they hadn't found you. The language they use is your positioning. The urgency they describe is your ICP's core pain.

Study your lost deals. If you're consistently hearing "not a priority right now" or "we'll revisit next quarter" you may not have an execution problem. You may be targeting customers who don't feel enough pain to justify the change. Patterns in lost deals reveal just as much about ICP quality as your wins do.

Revisit it continuously. An ICP is not static. The customer profile that worked at seed may not be the same profile that drives efficient growth at Series B. Revisit it regularly using actual data, not internal assumptions.

Founder conviction is a feature in the earliest stages.

But conviction without validation becomes a liability when you're trying to build a repeatable GTM motion.

Your ICP should be built around the customers who consistently buy, adopt, renew, and expand; not just the customers the founder originally envisioned.

Get it wrong and everything downstream gets harder:

Everything.

Get it right and the entire motion starts to feel lighter:

Most companies don't have a lead problem.

Most don't even have a sales problem.

They have an ICP problem that's been compounding quietly underneath everything else.

A lot of marketing leaders are stuck executing against an ICP they didn't define, don't fully believe in, and can't change without a difficult conversation with the founder or CEO.

That's one of the most common and expensive tensions we see in early and scaling GTM teams and it's rarely talked about openly because it feels like challenging leadership rather than solving a business problem.

That's exactly why MHQ exists. It’s a community where marketing leaders can have the real conversations, share what's actually working, and get perspective from people who've been in the same room.

Join the conversation and learn what's working for others: MarketingHQ community. Inside the community, you’ll also get:

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