Technical Due Diligence for Investors: The Complete Guide
Technical due diligence is not a code review. It is an answer to one question: what will it cost to get this technology where the investment thesis needs it to be?
Technical Due Diligence
Independent technical due diligence for VC, PE, and strategic acquirers — delivered in 5–10 business days.
Overview
What This Service Is
Before you wire money, sign the SPA, or approve the next tranche, you need to know what is really inside the product. We review the codebase, architecture, infrastructure, engineering process, security posture, and product scalability — then translate the findings into clear investment risk. You get a fixed-fee report, a 1-page executive summary for the investment committee, and evidence that can be verified by the company's own technical team. The question we answer: is this technology a reliable asset — or an unpriced liability?
DD Report — Series B Target
CONFIDENTIALRisk Matrix — 4 material findings
Ledger test coverageCRITICAL
Scalability ceiling ~10xHIGH
Bus factor: deploysHIGH
AGPL dependency in coreMEDIUM
Cost-to-fix
€120k
Timeline
8 days
Verdict
INVESTABLE
When You Need This
Recognize these symptoms? They are often leading indicators of expensive failures.
VC Investment Round
Seed, Series A, or growth-stage investments where the product is live and technology execution risk matters for follow-on funding and enterprise sales.
PE or Search Fund Deal
Software acquisitions where maintainability, delivery capacity, infrastructure cost, and engineering process directly affect the investment case.
Strategic Acquisition
When the target's technology must integrate with your systems, satisfy internal security expectations, or support a larger customer base.
Angel Syndicate / Family Office
Deals where you have no internal CTO available to review the product before committing capital — you need a practical, investor-friendly view.
Next Tranche Approval
Before releasing milestone-based funding when the roadmap depends on technical claims that have never been independently verified.
Risks We Address
The cost of inaction usually exceeds the cost of remediation.
Hidden Technical Debt
critical Risk- Over-complex modules where every new feature becomes slower and riskier
- Weak test coverage around billing, payments, and critical flows
- Legacy decisions that require a rewrite the founders have not planned for
Scalability Ceiling
high Risk- Architecture that cannot support the projected customer growth
- Database design and query patterns that break under transaction volume
- Infrastructure cost rising faster than revenue
Security & Licensing Exposure
critical Risk- Security posture below enterprise customer expectations
- Copyleft license exposure in commercial product areas
- Critical libraries that are unmaintained or carry known vulnerabilities
Team & Bus Factor
high Risk- Deployment and incident knowledge concentrated in one person
- Unclear ownership of core modules
- Dependency on agencies or freelancers with no internal accountability
What You'll Receive
Tangible artifacts, operational clarity, and a path forward.
Main Report
- 1-page executive summary for the investment committee
- Detailed technical report with evidence-linked findings
- Risk matrix prioritised by severity and business impact
- Investment committee-ready language — no unnecessary jargon
Technical Artifacts
- Codebase quality and maintainability assessment
- Architecture and scalability ceiling analysis
- Security posture and open-source licensing review
- Team, ownership, and bus-factor evaluation
Action Plan
- Deal-critical red flags
- Risks to fix before scale
- Post-investment remediation items with cost-to-fix estimates
- Roadmap credibility assessment for the next 6–12 months
How It Works
Structured engagement model designed for velocity.
01
Scoping Call
Day 0
We confirm the deal context, timeline, product type, access requirements, and the key investment questions the review must answer.
02
Access & Document Review
Day 1
Repository access, architecture documents, infrastructure overview, and existing technical materials — we map what can be verified and what cannot.
03
Technical Assessment
Days 2-5
We examine the codebase, architecture, dependencies, deployment setup, engineering workflow, and critical product flows against the business plan.
04
Findings, Report & Debrief
Days 5-10
Consolidated risks with evidence, cost-to-fix estimates, the executive summary, and a call to walk the investment team through the findings.
Engagement Options
Full Due Diligence
5-10 business days
Codebase & Architecture Review
Security & Licensing Assessment
Team & Process Evaluation
Full Report + IC Debrief
Red-Flag Review
3-5 business days
Highest-Risk Areas First
Deal-Critical Findings
Executive Summary
Q&A Support
Turn the checklist into a decision record
A due diligence checklist is useful when each answer can be traced to evidence and a transaction consequence. Agree the review boundary, access and questions before collecting documents. Keep verified findings, management statements and unavailable evidence distinct; a blank cell is not evidence of low risk.
Ownership and dependencies
Request repository history, contributor agreements and a dependency inventory. Legal counsel validates legal rights; technical review tests the consistency of the evidence.
Product and operations
Trace a material user journey, review deployment and recovery evidence, and compare the architecture with the stated growth assumptions.
Remediation and decision
Attach an owner, effort range, dependency and verification step to each material finding. Separate pre-close conditions from a post-close plan.
The final report should say what was inspected, what remains unknown and what could change the investment decision. A document review alone does not establish that security controls work in production, and a technical review is not a legal certification.
Turn the checklist into a decision recordFrequently asked questions
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Further reading
How we think about this work
Pre-Investment Code Audit: What to Ask For Before You Wire
You are about to buy a share of an asset you have not inspected. A code audit is the inspection — but only if it is scoped to answer investment questions rather than engineering ones.
What VCs Actually Look For in Technical Due Diligence
Investors are not grading your code. They are pricing the risk that technology stops the plan they are funding — and founders who understand that prepare very differently.
Technical Due Diligence Checklist for Investors
A checklist is only useful if each item has a consequence attached. This one is ordered by what actually changes a deal.
Technical due diligence cost: scope, timing and deliverables
Understand what changes technical due diligence effort. Compare proposals by systems, evidence, access, transaction questions and the depth of the final report.
Technical due diligence report: an annotated example
Structure a technical due diligence report around decisions, evidence and uncertainty. Follow an illustrative finding from observation to remediation and ownership.
Technical due diligence data room: prepare useful evidence
Prepare a technical data room with an indexed inventory, controlled access and evidence owners. Reduce repeated questions without exposing unnecessary secrets.
Technical due diligence for a SaaS acquisition
Review SaaS isolation, recurring revenue dependencies, operating costs and integration risks. Connect technical evidence to the acquisition plan.
Technical due diligence vs code audit: different decisions
Choose between technical due diligence and a code audit by the decision you need to make. Compare coverage, evidence and deliverables without assuming either includes everything.