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How to define your Ideal Customer Profile (ICP) - Daniel Lopes
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A high-fit, low-intent account is a nurture target. A high-intent, low-fit account is a distraction. “Fit is the eligibility gate; intent and timing set the tier.” The compelling event is why a static firmographic profile underperforms a signal-laden one.RevOps Mastersreports its win/loss result: “The single most predictive factor in win/loss outcomes is whether the buyer had an identified event or deadline driving the purchase. Deals with a compelling event close at 3-4× the rate of those without one.”
An ABM target account listworks at the named-account level. Which specific companies are we pursuing now? The output is a prioritized list of names. “A buyer personaworks at the individual level. Who inside those companies do we engage, and how? The output is a role, goal and pain profile.” The sequence runs: size the market, define ICP attributes, score the addressable universe, apply capacity and territory filters to get the named list, then map the buying committee with personas.
“The standard definition: an ideal customer profile (ICP) is an account-level description of the companies you are best at winning, serving, retaining and expanding.” An ICP describes companies rather than people. A buyer persona is the person inside the account,TAM/SAM/SOMare market-size estimates in dollars, and an ABM target list is the named accounts you are working right now.
The standard definition: an ideal customer profile (ICP) is an account-level description of the companies you are best at winning, serving, retaining and expanding. It is a short list of firmographic and technographic criteria, plus explicit disqualifiers, scored and tiered in the CRM. “An ICP describes companies rather than people.” That definition is correct, and it produces some pretty useless docs. Sort your customers by industry and headcount and you get a profile that describes who theyarewhile saying nothing about why they bought.
The standard definition: an ideal customer profile (ICP) is an account-level description of the companies you are best at winning, serving, retaining and expanding. It is a short list of firmographic and technographic criteria, plus explicit disqualifiers, scored and tiered in the CRM. “A buyer persona is the person inside the account,TAM/SAM/SOMare market-size estimates in dollars, and an ABM target list is the named accounts you are working right now.” That definition is correct, and it produces some pretty useless docs. Sort your customers by industry and headcount and you get a profile that describes who theyarewhile saying nothing about why they bought.
We wrote ours for the GrowthOS launch and now 2 months in revisited focused on the way round, starting from the job.Christensen: “The job, not the customer, is the fundamental unit of analysis.” Bob Moesta’s version changes what you do on a Tuesday: demand starts at astruggling momentand “it’s not an imagined customer or persona, it’s real buyers.” “So the first question is not what kind of company buys this. It is which organizations hit the struggling moment this product resolves, what progress they are trying to make, and what they are hiring today instead.” The other half of a real ICP is that it is enforceable: an SDR can disqualify an account against it, RevOps can score and route on it, and it gets reviewed monthly against closed-won data.
We wrote ours for the GrowthOS launch and now 2 months in revisited focused on the way round, starting from the job.Christensen: “The job, not the customer, is the fundamental unit of analysis.” Bob Moesta’s version changes what you do on a Tuesday: demand starts at astruggling momentand “it’s not an imagined customer or persona, it’s real buyers.” “Firmographics come back as filters on that answer, never as the explanation for it.” The other half of a real ICP is that it is enforceable: an SDR can disqualify an account against it, RevOps can score and route on it, and it gets reviewed monthly against closed-won data.
Before touching it, I created this study guide for myself, but I’m sharing it here since it might be a helpful resource. “A caveat on the numbers: they come from different years, samples and definitions, so several of them disagree. Use them as shape, not as truth.” Here’s a computer generated audio version of this guide adapted for listening
“It is a short list of firmographic and technographic criteria, plus explicit disqualifiers, scored and tiered in the CRM.” An ICP describes companies rather than people. A buyer persona is the person inside the account,TAM/SAM/SOMare market-size estimates in dollars, and an ABM target list is the named accounts you are working right now.
So the first question is not what kind of company buys this. It is which organizations hit the struggling moment this product resolves, what progress they are trying to make, and what they are hiring today instead. Firmographics come back as filters on that answer, never as the explanation for it. “The other half of a real ICP is that it is enforceable: an SDR can disqualify an account against it, RevOps can score and route on it, and it gets reviewed monthly against closed-won data.” We wrote our ICP doc before GrowthOS launched in June 2026. It was a hypothesis with a template around it: which companies the platform would be structurally best at winning, extrapolated from work we had been doing for clients by hand. The first paid clients of the platform have since converted onto annual plans, which is the first evidence in the exercise that isn’t a guess, so we went back to the doc.
Budget for the new segment differently.Lemkin: “If you force your CAC in a new segment to hit the same ROI as your overall, blended CAC goals, you’ll never leave your core safe ICP,” so 80% of new customers should hit a sustainable CAC while the 20% in new segments “just try to barely break even,” with 24 months to converge. “You can’t define your ICP in a silo. RevOps has data. Product sees patterns. Sales hears objections. Marketing picks up signal. Success sees who churns and who expands.” Review versus revision.The cadence argument resolves once you separate the two words. Review is checking evidence: monthly or quarterly against live closed-won data, which is what Anis Bennaceur atAttention.commeans by “the teams compounding fastest are refreshing it off live closed-won data on a monthly or quarterly loop.” Revision is changing the operating definition, and it should be rare and trigger-based:a new productcapability that changes who you can serve,retention, win rates, servicecosts or willingness to pay differing by segment,a move upmarket, orbehavioral data divergingfrom the original conception.
Two artifacts, not one. The narrative version lives in a shared doc:Full Funnel publishes a Google Sheet,HubSpot a PDF worksheet. The enforced version lives in the CRM asan ICP fitscore (number, 0-100) and an ICP tier (dropdown: Tier 1, 2, 3, Not a fit) on the company object. “review it every quarter using fresh CRM data, closed-won deal patterns, and updated customer feedback.” Four scoring models require progressively more data.
“The standard definition: an ideal customer profile (ICP) is an account-level description of the companies you are best at winning, serving, retaining and expanding.” An ICP describes companies rather than people. A buyer persona is the person inside the account,TAM/SAM/SOMare market-size estimates in dollars, and an ABM target list is the named accounts you are working right now.
Clay’s account of what narrowing costs, which is the least comfortable line in the whole set: afterthey narrowed, “nearly all of our original customers churned.” “It answers four questions: who will buy, who will buy smoothly, who can be implemented and serviced, and who will renew and expand.” How is an ICP different from a buyer persona?The ICP is the company, the persona is the person inside it. Qualify the account first, then map the buying committee. Treating them as synonyms produces a profile that can’t be used for routing or list building.
“It is a short list of firmographic and technographic criteria, plus explicit disqualifiers, scored and tiered in the CRM.” An ICP describes companies rather than people. A buyer persona is the person inside the account,TAM/SAM/SOMare market-size estimates in dollars, and an ABM target list is the named accounts you are working right now.
Clay’s account of what narrowing costs, which is the least comfortable line in the whole set: afterthey narrowed, “nearly all of our original customers churned.” “An account-level definition of which companies you are best at winning, serving, retaining and expanding, expressed as scored criteria and explicit disqualifiers rather than prose.” How is an ICP different from a buyer persona?The ICP is the company, the persona is the person inside it. Qualify the account first, then map the buying committee. Treating them as synonyms produces a profile that can’t be used for routing or list building.
Firmographic.Thestandard set: industry, company size, revenue range, employee count, geography and business model, plusownership type.Bessemer’s bands: Commercial 1-500 employees, Mid-market 501-1,000, Enterprise 1,000+, with revenue bands of $0-1M, $1.1-10M and $10.1M+. “which CRM they run, what marketing tools they rely on, where they host their infrastructure, and what sales platforms their reps use every day.” Behavioral.Buying signals: content consumption, website engagement, event attendance, search intent. What separates companies that fit your ICP in theory from ones actively buying. In product-led motions this is where PQLs live, converting at15-30%on signals like usage frequency, adoption of high-value features, usage growth week over week, and multi-product usage.