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What a Technical Due Diligence Report Should Tell Investors

How to judge a technical diligence report: decision relevance, evidence, confidence, severity, remediation assumptions, and first 90-day priorities.

By Andrey Shedko · · AI-assisted drafting

The investment question

A useful report answers what the buyer is acquiring, which technical issues matter, how strong the evidence is, and what to do next. Length, a single score, and a list of tools do not answer those questions.

1. Lead with a technical opinion tied to the investment plan

An executive summary should name the reviewed asset, agreed scope, buyer’s intended use, material findings, and unresolved questions. It should make the central judgment understandable without requiring the investment team to read every technical appendix.

For example, a product may be supportable in its current market while a proposed expansion depends on changes that were not included in the acquisition plan. That is more useful than a generic statement that the architecture is modern or that the code quality is average.

  • Which investment assumptions are supported within the reviewed scope?
  • Which findings could affect continuity, growth, safe change, or ownership transition?
  • Which open questions prevent a stronger conclusion, and what evidence would resolve them?

2. Make each material finding traceable

The reader should be able to distinguish an observed condition from an inferred consequence. A finding needs enough evidence for the technical owner to understand and challenge it, while keeping the executive explanation concise. Confidential details can sit in a controlled appendix rather than the main summary.

2. Make each material finding traceable
Finding elementWhat the investor needs
Condition and boundaryAffected system/workflow, reviewed revision and environment, and what was observed.
Evidence and confidenceSource or check, reproducibility where practical, and what remains unverified.
Business implicationThe conditional or observed effect on the buyer’s plan; avoid invented loss figures.
Severity and priorityWhy the issue matters and when action is needed; these are separate judgments.
Action and acceptanceRequired outcome, responsible role, dependencies, and evidence of completion.
Effort and exclusionsSupportable range, assumptions and omitted work; monetary scenarios need explicit rates.

3. Compare a weak statement with a usable finding

Fictional illustration only — the following is not a client finding or a test result. Consider the statement: ‘Backups need improvement.’ It does not identify what is missing, how that affects ownership, or what evidence would close the issue.

A more useful fictional formulation is: ‘Daily database backup records were provided, but no completed recovery exercise covering the application and external job state was supplied. Confidence in end-to-end recovery is therefore limited. Require an authorized restore rehearsal with reconciliation of pending work and evidence that a replacement operator can execute the runbook.’

This formulation does not claim that backups fail or that data has been lost. It identifies the evidence gap and the next check. Severity would still depend on the system’s role, possible failure conditions, and the buyer’s continuity requirements.

4. Keep severity, confidence, and coverage separate

Severity concerns the consequence of a condition. Confidence concerns the strength of evidence for the conclusion. Coverage describes what was examined. A potentially serious issue with incomplete evidence may deserve urgent follow-up without being labelled a confirmed failure.

A single overall score can hide these distinctions. If a report uses scores, ask how they are defined and aggregated, and whether a severe unresolved area is concealed by stronger results elsewhere. The report should remain understandable without the score.

  • Verified within scope: supported by reviewed evidence or an authorized check.
  • Inference or potential risk: plausible consequence requiring further validation.
  • Assumption: an input or condition not independently established.
  • Not assessed: excluded or inaccessible. Do not interpret this as a clean bill of health.

5. Separate remediation estimates from valuation claims

The report can help identify work the buyer may need to fund. It should not convert every weakness into a precise price adjustment. Negotiations depend on commercial context, contractual protection, alternatives, and the buyer’s risk appetite, which a technical report alone does not establish.

For any effort range, ask for the completion criteria and what could change the estimate. For any monetary scenario, ask for rates, roles, dependencies, testing, release and operational work, and exclusions. Distinguish unavoidable remediation from improvements that are optional under the buyer’s plan.

6. Turn the findings into a sequenced operating plan

First 90-day priorities should express dependencies and outcomes, not promise that every issue will be fixed in 90 days. Some work depends on access transfer, the original founder, a specialist, or a discovery step. State those conditions.

An action plan can distinguish pre-close evidence, transition requirements, stabilization work, and later improvements. Name accountable roles rather than assigning tasks to people who have not agreed to them. A proposed action is complete when its acceptance evidence exists, not merely when a ticket is closed.

  • Pre-close or decision follow-up: resolve the material uncertainty that affects the investment assumption.
  • Transition: demonstrate control of necessary accounts and independent operating capability.
  • Stabilization: close prioritized weaknesses and verify the intended behavior.
  • Later improvements: support growth or development goals after immediate operating risks are addressed.

7. Use the briefing to challenge the report

Ask the reviewer which conclusion would change if one assumption proved wrong, which domain has the weakest evidence, and what they would investigate with additional access. Ask the target’s technical team whether the described conditions are reproducible and whether the remediation dependencies are realistic.

Framework references can support defined security and development checks; they do not replace the explanation. NIST SSDF is one reference for secure development practices, but a report should identify which practices and evidence were actually reviewed rather than imply blanket conformance.

The Shedko Advisory sample illustrates this separation of opinion, evidence, limitations, and actions using an explicitly fictional scenario. It is an example of structure and reasoning, not evidence of a completed client engagement.

Sources & further reading

The checklists and decision framework are Shedko Advisory editorial guidance, informed by the linked technical references. References do not imply endorsement, certification, or a completed client assessment. Examples labelled fictional are illustrative; conclusions in a real engagement depend on its scope and evidence.

Apply this to your acquisition

Define the decision. Then agree the assessment.

Explore the assessment scope and deliverables →

Explore the clearly fictional sample report →

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