Three principles for building an ideal customer profile that drives growth

Executive overview

Most SaaS founders think they have an ICP. Few have actually done the exercise. Companies with a properly defined ICP see a 68% higher win rate, faster path to product-market fit, and higher retention.

An effective ICP targets a market with an urgent, important problem — one that has budget and is underserved. Getting there requires more than intuition: it demands data, rigorous process, and organisational commitment.

The real unlock is treating ICP as an ongoing exercise, not a one-time label.

The three components of a valid ICP

• Urgent and important problem the target market faces
• Budget to pay for a solution
• Underserved by existing alternatives

Principle 1: Target where you are 10x better than the competition

• Don't try to serve multiple ICPs simultaneously — pick where you have a decisive advantage
• Competition often isn't other software; it's spreadsheets or manual processes — these are formidable
• Forcing this question turns a wish list into a real ICP
• Founders struggling to scale often discover they're chasing too many segments at once

Principle 2: Inform your ICP with data, not intuition

• Internal data: revenue patterns reveal which customers win faster, retain longer, and expand
• External data: industry reports, competitive analysis, and market signals identify underserved segments
• ICP exercises done without data tend to confirm bias rather than surface truth
• A structured process (vs. a napkin note) is what separates effective ICPs from ones that collect dust
• Applied at every stage — from pre-revenue to near-$500M ARR (Marketo's turnaround used an ICP exercise)

Principle 3: Mobilise the ICP across go-to-market motions

• Track every lead, opportunity, and deal as ICP or non-ICP — make it show up in reporting
• ICP deals have higher win rates, shorter sales cycles, better retention, and more expansion revenue
• At scale: commission structures can reward ICP deals and penalise non-ICP ones
• At early stage: install the discipline immediately so it becomes the operating default
• A sign the system is working: sales reps decline calendar invites on non-ICP deals

Bonus: ICP scope vs. total addressable market

• Founders resist narrowing because each segment feels too small — but narrow ICP enables faster traction
• Amazon started by selling only books; it earned the right to expand from there
• Mental reframe: define the ICP needed to reach your next revenue milestone, not your final vision
• Revisit and expand the ICP each time you hit a new revenue stage
• This is why experienced founders keep iterating on ICP even at $3M–$5M+ ARR