# Penetration testing company lists

Source: https://pentestcompare.com/lists/
Publisher: Excession Labs (pentestcompare.com)
Last updated: 2026-11-09

Penetration testing company lists from the PentestCompare dataset: CREST-accredited, PTaaS, AI, published prices and more.

- [AI penetration testing companies: who does what](https://pentestcompare.com/lists/ai-penetration-testing-companies/): AI penetration testing companies from one sourced dataset, A to Z, split into AI-driven testing and testing of AI apps, with price, retest and sample report fields.
- [AI red teaming companies](https://pentestcompare.com/lists/ai-red-teaming-companies/): AI red teaming companies that state AI app or LLM testing on their own pages, A to Z, with price, retest and sample report columns, and six checks before you buy.
- [Boutique penetration testing firms: who they are](https://pentestcompare.com/lists/boutique-penetration-testing-firms/): Boutique penetration testing firms listed A to Z from the PentestCompare dataset, with how we define boutique, trade-offs against platforms and five checks.
- [CREST penetration testing companies: checked list, Nov 2026](https://pentestcompare.com/lists/crest-accredited-penetration-testing-companies/): Penetration testing companies that state CREST status on their own pages, with what CREST accreditation covers, five checks to run on the CREST register, and its limits.
- [Pentest companies with published prices: Nov 2026 list](https://pentestcompare.com/lists/pentest-companies-with-published-prices/): Pentest companies that publish a price, A to Z, with the price, its unit and the source page for each, checked 9 November 2026. Most firms still quote on request.
- [Pentest sample reports: public examples from providers](https://pentestcompare.com/lists/pentest-companies-with-sample-reports/): Penetration testing sample report links from providers that publish one, with the check date, what to read in each report, and who sends one on request instead.
- [PTaaS providers: platforms compared](https://pentestcompare.com/lists/ptaas-providers/): PTaaS providers compared from their own pages: delivery, published price, retest terms and sample reports, plus what PTaaS means in a contract. Checked Nov 2026.

All pages filter one sourced dataset, sorted A to Z and not ranked. [How we compare](/methodology/).