Bishop Fox vs Pen Test Partners: what each states about AI testing
Bishop Fox states 2 product types and 2 services; Pen Test Partners states 2 product types and 1 service. They share 1 service.
| Attribute | Bishop Fox | Pen Test Partners |
|---|---|---|
| Company type | Security firm with AI testingev-bishop-fox-21 | Security firm with AI testingev-pen-test-partners-20 |
| HQ country and citydiffers | Tempe, United Statesev-bishop-fox-10ev-bishop-fox-11 | Buckingham, United Kingdomev-pen-test-partners-07ev-pen-test-partners-08ev-pen-test-partners-21 |
| Delivery locationsdiffers | United Statesev-bishop-fox-16ev-bishop-fox-17ev-bishop-fox-18ev-bishop-fox-19 | United Kingdomev-pen-test-partners-14ev-pen-test-partners-15 |
| AI product types stated | LLM applications and AI agentsev-bishop-fox-03ev-bishop-fox-04 | LLM applications and AI agentsev-pen-test-partners-02 |
| Testing services stateddiffers | AI security penetration testing and Red teaming and adversarial testingev-bishop-fox-05ev-bishop-fox-06ev-bishop-fox-07ev-bishop-fox-08 | AI security penetration testingev-pen-test-partners-03ev-pen-test-partners-04 |
| Engagement models stated | One-time audit or assessmentev-bishop-fox-09 | One-time audit or assessmentev-pen-test-partners-05 |
| Size band | Not published | Not published |
| Foundeddiffers | Not published | 2010ev-pen-test-partners-11ev-pen-test-partners-12ev-pen-test-partners-22 |
| Certificationsdiffers | Not published | CRESTev-pen-test-partners-16ev-pen-test-partners-17ev-pen-test-partners-18 |
| Services stated by one and not the otherdiffers | Red teaming and adversarial testing | None |
| Product types stated by one and not the other | None | None |
Columns are in alphabetical order. Rows marked "differs" have different values. Evidence markers link to the source rows on each entry page. Checked 2026-11-09 and 2026-11-09.
Questions
Which AI product types do Bishop Fox and Pen Test Partners both state?
Both name LLM applications and AI agents on their AI testing pages.
Which testing services does only one of them state?
Bishop Fox alone names red teaming and adversarial testing. Pen Test Partners alone names no extra service.
Are there alternatives to Bishop Fox and Pen Test Partners?
The security firm with AI testing page lists every published entry of the same type, ordered by coverage score. The score counts stated coverage and confirmed figures; it does not say which vendor fits a project.
This page compares published statements. It does not rate either company.