# Technical due diligence

Concept · [Technical basics](https://ecosystem.samcarlton.com/technical)

Also called: tech due diligence, technical diligence, tech DD, code audit, technology due diligence

A review of a company's technology by an outside expert before an investment or an [acquisition](https://ecosystem.samcarlton.com/exit): how the product is built, its security, its [technical debt](https://ecosystem.samcarlton.com/technical-debt) and whether the team can keep building it.

**For example:** Before leading [a round](https://ecosystem.samcarlton.com/series-a), an investor pays a [fractional CTO](https://ecosystem.samcarlton.com/fractional-cto) to review the startup's code, [hosting](https://ecosystem.samcarlton.com/hosting) and security and report the risks.

## Connects to (4)

- [Due diligence](https://ecosystem.samcarlton.com/due-diligence): The checking an investor or buyer does before committing money: reviewing your finances, legal documents, product and the claims you have…
- [Technical debt](https://ecosystem.samcarlton.com/technical-debt): Shortcuts taken while building software that save time now but make later changes slower and riskier until someone cleans them up.
- [Fractional CTO](https://ecosystem.samcarlton.com/fractional-cto): A part-time chief technology officer.
- [CTO](https://ecosystem.samcarlton.com/cto): Chief technology officer.

Map view: https://ecosystem.samcarlton.com/technical-due-diligence