What is GTM due diligence, and when do investors need it?

Q: What is GTM due diligence, and when do investors need it?

GTM due diligence is a buy-side review of whether a company's revenue engine is real and repeatable: the quality of its pipeline, the durability of its revenue, its unit economics, and the team and motion that produce them. Investors and acquirers need it whenever the price depends on growth continuing, which financial diligence alone cannot confirm.

What it examines

Financial diligence tells you what revenue was. Go-to-market diligence asks whether it will happen again. That means reading the CRM rather than the summary: how old the pipeline is, how deals really move between stages, whether retention holds at the invoice level, what it costs to win a customer by channel, and how much of the number depends on one person or one partner.

What it typically finds

Pipeline that is large because nothing is ever closed out. Growth concentrated in a segment the plan does not mention. Acquisition cost that looks fine blended and poor by channel. A forecast built on judgment rather than history. None of these kill a deal on their own. All of them change the price or the first hundred days.

When to run it

Before a growth investment or acquisition where the thesis depends on scaling sales. It is fastest alongside financial and legal work, using the same data room plus CRM access. It is also useful in reverse: a company preparing to raise can run it on itself and fix what a buyer would find.

What you should receive

A clear view on whether the engine is repeatable, the specific risks with evidence for each, and what to fix first after close. A checklist of questions is a good start, and a free one exists, but the value is in reading the underlying records.

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