Dionach vs Pen Test Partners
Side-by-side comparison of Dionach and Pen Test Partners for penetration testing services. Compare their services, accreditations, compliance expertise, and pricing.
This is one of the tightest matchups in our directory. Both providers score within a few points of each other, so the decision here comes down to specific needs rather than overall quality. Both hold CREST accreditation, but their credentials diverge beyond that — Dionach additionally carries NCSC Assured, while Pen Test Partners holds CBEST and Cyber Essentials. Both operate at a global level but from different home bases — Dionach in Oxford and Pen Test Partners in Buckingham — which can affect response times and familiarity with local regulatory environments. Dionach brings 11+ more years in the market (est. 1999 vs 2010), though Pen Test Partners's more recent entry can mean more modern tooling and methodologies.
| Dionach | Pen Test Partners | |
|---|---|---|
| Headquarters | Oxford, United Kingdom | Buckingham, United Kingdom |
| Founded | 1999 | 2010 |
| Team Size | 51-200 | 51-200 |
| Pen Testers | — | — |
| Geography | Global | Global |
| Markets | UK, Europe, North America, APAC, Global | UK, Europe, North America, Global |
| Pricing | — | — |
| Services | Web ApplicationNetworkRed TeamingPurple TeamingSCADA/ICSVulnerability AssessmentCloudAPIMobile AppConfiguration ReviewSocial Engineering | Web ApplicationNetworkMobile AppIoTCloudAPISocial EngineeringRed TeamingPhysicalWirelessSCADA/ICSVulnerability AssessmentSource Code ReviewConfiguration Review |
| Accreditations | CRESTCHECKSTARISO 27001PCI QSANCSC Assured | CRESTCHECKCBESTSTARISO 27001Cyber EssentialsCyber Essentials PlusPCI QSA |
| Compliance | PCI DSSISO 27001GDPRNIS 2DORANIST CSF+1 | ISO 27001PCI DSSGDPRNIS 2DORACyber Essentials+1 |
| Best For | EnterpriseGovernmentCritical Infrastructure | EnterpriseMid-MarketGovernmentCritical Infrastructure |
| Methodologies | OWASP, CREST, NIST, CBEST, STAR | OWASP, PTES, NIST, CREST, TIBER-EU, CBEST, STAR |
Shared Services (10)
Only Dionach (1)
Only Pen Test Partners (4)
Comparison FAQs
How does Dionach compare to Pen Test Partners?+
Dionach is headquartered in Oxford, United Kingdom and offers 11 services. Pen Test Partners is based in Buckingham, United Kingdom with 14 services. Both providers offer 10 services in common.
Which provider has more accreditations?+
Dionach holds 6 accreditations (CREST, CHECK, STAR, ISO 27001, PCI QSA, NCSC Assured), while Pen Test Partners holds 8 (CREST, CHECK, CBEST, STAR, ISO 27001, Cyber Essentials, Cyber Essentials Plus, PCI QSA).
What services are unique to each provider?+
Dionach uniquely offers: Purple Teaming. Pen Test Partners uniquely offers: IoT, Physical, Wireless, Source Code Review.
Have you worked with Dionach or Pen Test Partners? Help others decide.