The point at which a product reliably solves a problem that a defined set of customers will pay for. A prerequisite for scalable sales hiring in most circumstances.
Also known as:
PMF
Product-market fit is the point at which selling stops being an act of persuasion and starts being a process. Before it is reached, every sale is bespoke — the founder or seller has to construct the case for why this problem matters and why this solution is worth paying for. After it is reached, those conversations become repeatable because the buyer already understands the problem and is actively looking for a solution.
The clearest signal of product-market fit is not NPS or user engagement — it is that customers would be genuinely disappointed to lose the product, and that new deals are closing without heroic effort. Revenue alone is not sufficient: a founder can close deals on the strength of their network and credibility long before the product is ready to support a sales team.
For hiring decisions, product-market fit matters because a salesperson without a repeatable motion to execute will spend their time — and the founder's time — navigating ambiguity rather than generating revenue. Hiring before PMF is not always wrong, but the role is different: it requires a commercial generalist who can help shape the motion, not a rep who needs a defined playbook before they can start.
Bring one pipeline, forecast or GTM problem. 60 minutes, operator-grade diagnosis, no pitch.