CDD (commercial due diligence) is independent analysis of a company’s market, customers, competition, and growth thesis — typically commissioned by buyers or investors before a major transaction.

How it works

Specialist firms (consultancies, sector experts) run CDD parallel to financial, legal, and technical diligence. Workstreams include:

• Market sizing and growth drivers — independent TAM/SAM sanity checks
• Customer interviews — satisfaction, renewal intent, pricing power
• Competitive landscape — win/loss patterns, differentiation durability
• Commercial model review — pipeline quality, churn, sales efficiency

Output is a report with risks, opportunities, and sometimes purchase-price implications. On buyout and large growth equity deals, CDD is standard; on early venture rounds, investors often perform lighter internal commercial diligence.

Founders in exit processes should curate reference customers and document churn cohorts before CDD calls begin — surprises in customer interviews move terms fast.

CDD timelines often run two to four weeks on mid-market deals, running parallel to QoE and legal diligence. Findings can reprice the LOI or kill the transaction if customer concentration or market shrinkage exceeds underwriting tolerance.

Why it matters

• Founders: Treat CDD as a sales process to future owners. One unhappy flagship customer can dominate the narrative.
• Investors: CDD validates whether EBITDA or ARR growth is structurally sound or a cyclical spike.

Common mistake

Confusing CDD with financial audit. CDD answers “will customers keep buying?” — not whether revenue was booked correctly (though related).

Related ideas

See also buyout, quality of earnings, customer diligence, and carve-out.