# Penetration testing providers by service

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

Penetration testing providers by service, from the PentestCompare dataset. Facts come from each provider's own pages, with dates.

- [LLM penetration testing companies: who tests AI apps](https://pentestcompare.com/services/ai-llm-penetration-testing/): LLM penetration testing providers in one sourced table, A to Z, with a scope split of model, app, agent and infrastructure and six questions to ask each.
- [API penetration testing companies: who states API scope](https://pentestcompare.com/services/api-penetration-testing/): API penetration testing companies compared from their own pages: API scope, published price, retest terms and sample reports, with six questions to ask first.
- [Cloud penetration testing companies for AWS, Azure, GCP](https://pentestcompare.com/services/cloud-penetration-testing/): Cloud penetration testing companies from one sourced dataset, A to Z, with what AWS, Microsoft and Google allow, what to scope and what to ask each provider.
- [IoT penetration testing companies: compared](https://pentestcompare.com/services/iot-penetration-testing/): IoT penetration testing companies from one sourced dataset, A to Z. See what a device test covers, the ETSI EN 303 645 baseline and what to ask each provider.
- [Mobile app penetration testing companies](https://pentestcompare.com/services/mobile-app-penetration-testing/): Mobile app penetration testing companies from their own pages, A to Z, with price, retest and sample report columns, plus OWASP MASVS scoping questions.
- [Network penetration testing companies: compared by scope](https://pentestcompare.com/services/network-penetration-testing/): Network penetration testing services compared from provider pages: internal vs external scope, segmentation, Active Directory, price drivers and questions to ask.
- [OT and ICS penetration testing companies: compared](https://pentestcompare.com/services/ot-ics-penetration-testing/): ICS and OT penetration testing companies from one sourced dataset, A to Z. Six safety questions, the NIST and IEC 62443 references and what to scope first.
- [Physical penetration testing companies: who offers it](https://pentestcompare.com/services/physical-penetration-testing/): Physical penetration testing companies whose own pages state the service, with authorization letter, scope rules, price drivers and questions to ask before a site test.
- [Red teaming companies: compared, with sources](https://pentestcompare.com/services/red-teaming/): Red team services compared from each provider's own pages, with the NIST definition, rules of engagement to agree, price drivers and seven questions to ask first.
- [Social engineering testing companies: compared](https://pentestcompare.com/services/social-engineering-testing/): Social engineering penetration testing providers compared from their own pages, with rules of engagement, phishing and vishing scope, price drivers and questions.
- [Source code review services](https://pentestcompare.com/services/source-code-review/): Source code review providers from their own pages, A to Z, with price, retest and sample report columns, and how manual review differs from SAST tools.
- [Vulnerability assessment services: providers compared](https://pentestcompare.com/services/vulnerability-assessment/): Vulnerability assessment services in one sourced table, A to Z, with price, retest and report facts, plus six questions to ask before you buy a scan or review.
- [Web application penetration testing companies compared](https://pentestcompare.com/services/web-application-penetration-testing/): Web application penetration testing companies in one sourced table, A to Z, with price, retest and sample report facts plus six questions to ask each one.
- [Wireless penetration testing companies: compared](https://pentestcompare.com/services/wireless-penetration-testing/): Wireless penetration testing providers compared from their own pages: on-site work, SSID and guest network segmentation, rogue access points, price drivers.

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