Dionach
HQ Oxford, United Kingdomev-dionach-07ev-dionach-08 · Checked 2026-11-09 · Vendor AI page: dionach.com/services/assurance/ai-application-penetration-testing/ev-dionach-01
Dionach states on its AI testing page that it tests LLM applications. It lists its headquarters in Oxford, United Kingdom.
Facts
| Founded | Not published: fewer than two agreeing sources |
|---|---|
| Size band (employees) | Not published: fewer than two agreeing sources |
| Delivery locations | Not published: fewer than two agreeing sources |
| Engagement models (as stated) | One-time audit or assessmentev-dionach-05 |
| Pricing disclosed on vendor site | Noev-dionach-15 |
| Certifications | Not published: fewer than two agreeing sources |
Coverage score
3 / 25 · rank 74 of 88
| AI product types stated on the vendor's AI page | 1 / 9 |
|---|---|
| Testing services stated on the vendor's AI page | 2 / 12 |
| Figures confirmed by two sources (founded, size band, delivery locations, certifications) | 0 / 4 |
The same formula is applied to every entry. It counts stated coverage and confirmed figures; it does not measure quality. How the score works.
AI products tested
As stated by the vendor on 2026-11-09
Testing services
As stated by the vendor on 2026-11-09
Not stated on the vendor's AI page
Services from this directory's taxonomy that the vendor's AI page does not mention. This does not mean the vendor does not offer them.
- LLM output evaluation
- RAG pipeline validation
- Prompt and model regression testing
- Bias and fairness audit
- Compliance and conformity assessment support
- ML model validation
- Training data and labeling QA
- Performance and latency testing
- Conversational flow testing
- Production monitoring and drift testing
Stated scope
Dionach states that its AI application penetration testing identifies and exploits vulnerabilities in AI systems built on machine learning models and large language models. The page names prompt injection, data leakage, model abuse, adversarial inputs and unsafe outputs, and refers to the OWASP Top 10 for LLMs.ev-dionach-06
How the vendor describes itself
As described by the vendor; summarised on 2026-11-09. Client names, performance percentages and prices are left out.
Dionach describes itself as a cybersecurity consultancy specialising in penetration testing, assurance and AI governance, and states that it has 50+ consultants. It lists service lines in assurance, compliance, response and AI cyber security governance. It states that it supports organisations with individual security projects or a service ranging from strategic guidance to tactical implementation.ev-dionach-18
Evidence
Every source opened for this entry, with retrieval date and verification date. Verified by AI Testing Vendors.
| Id | Field | State | Source class | Source URL | Retrieved | Verified | Verifier |
|---|---|---|---|---|---|---|---|
| ev-dionach-01 | aiServicePageUrl | As stated by vendor | vendor-site | 2026-11-09 (undated) | 2026-11-09 | AI Testing Vendors | |
| ev-dionach-02 | aiProducts | As stated by vendor | vendor-site | 2026-11-09 (undated) | 2026-11-09 | AI Testing Vendors | |
| ev-dionach-03 | services | As stated by vendor | vendor-site | 2026-11-09 (undated) | 2026-11-09 | AI Testing Vendors | |
| ev-dionach-04 | services | As stated by vendor | vendor-site | 2026-11-09 (undated) | 2026-11-09 | AI Testing Vendors | |
| ev-dionach-05 | engagementModels | As stated by vendor | vendor-site | 2026-11-09 (undated) | 2026-11-09 | AI Testing Vendors | |
| ev-dionach-06 | statedScope | As stated by vendor | vendor-site | 2026-11-09 (undated) | 2026-11-09 | AI Testing Vendors | |
| ev-dionach-07 | hq.country | Verified | vendor-site | 2026-11-09 (undated) | 2026-11-09 | AI Testing Vendors | |
| ev-dionach-08 | hq.country | Verified | company-registry | 2026-11-09 (undated) | 2026-11-09 | AI Testing Vendors | |
| ev-dionach-09 | hq.city | Verified | company-registry | 2026-11-09 (undated) | 2026-11-09 | AI Testing Vendors | |
| ev-dionach-10 | sizeBand | Verified | vendor-site | 2026-11-09 (undated) | 2026-11-09 | AI Testing Vendors | |
| ev-dionach-11 | deliveryLocations | Verified | vendor-site | 2026-11-09 (undated) | 2026-11-09 | AI Testing Vendors | |
| ev-dionach-12 | deliveryLocations | Verified | vendor-site | 2026-11-09 (undated) | 2026-11-09 | AI Testing Vendors | |
| ev-dionach-13 | certifications | Verified | vendor-site | 2026-11-09 (undated) | 2026-11-09 | AI Testing Vendors | |
| ev-dionach-14 | certifications | Verified | vendor-site | 2026-11-09 (undated) | 2026-11-09 | AI Testing Vendors | |
| ev-dionach-15 | pricingDisclosed | As stated by vendor | vendor-site | 2026-11-09 (undated) | 2026-11-09 | AI Testing Vendors | |
| ev-dionach-16 | companyType | As stated by vendor | vendor-site | 2026-11-09 (undated) | 2026-11-09 | AI Testing Vendors | |
| ev-dionach-17 | hq.city | Verified | vendor-site | 2026-11-09 (undated) | 2026-11-09 | AI Testing Vendors | |
| ev-dionach-18 | vendorDescription | As stated by vendor | vendor-site | 2026-11-09 (undated) | 2026-11-09 | AI Testing Vendors |
Related
Same HQ country
This directory accepts no payment for listing, placement, badges or removal. Vendors cannot buy a position: every list is ordered by one published coverage score, computed the same way for every entry from verified data. Entries are built from each vendor's own published pages and from independent sources named next to every figure.