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Marclay Associates

A highly specialised company that specialises in crisis management and cyber investigations. The company offers crisis response, cyber investigations, penetration testing, red teaming, digital forensics, and security audits. Further specialisms are available upon engagement.

Our employees are recruited from the UK Military Intelligence and Security Services, offering a unique insight into global cyber risks coupled with the knowledge and tools to effectively deal with and mitigate nearly any range of threats.

Accredited Services

Cyber Security Incident Response
Tom Huckle
+44 (0)20 3093 3395
[email protected]

Covering the entire incident response lifecycle, we manage an incident in its entirety. From preparing a business to be more resilient to providing deep technical and digital forensic analysis once an incident has occurred, Marclay aims to ensure you have the very best chance of recovery. Our teams have operated around the world and are comfortable operating alongside your senior stakeholders. We strive to deliver clear and factual analysis, so you can make the important business decisions to get your business operating as normal again.

(No CREST qualified consultants for this service)
Cyber Threat Intelligence (STAR)
This company's policies and procedures have not been assessed against the CREST criteria for this service.
CREST Qualified Consultants:
CREST Registered Threat Intelligence Analyst:
CREST Practitioner Threat Intelligence Analyst:
Penetration Testing
John Downham
+44 (0)20 3093 3395
[email protected]

Our UK government trained and CREST certified penetration testing team conduct vulnerability assessments and simulated attacks on client technology platforms across the world. Whether testing inside your offices or remotely, our team will highlight the key risks and recommend how best to protect your technology from cyber-attack.

We offer infrastructure testing ,web application and  API testing, wireless network testing, simulated phishing attacks, social engineering and red team simulated attacks.


CREST Qualified Consultants:
CREST Practitioner Security Analyst:
Address 35-36 Eagle Street Holborn London WC1R 4AQ UK
Telephone +44 (0)20 3039 3395
Email [email protected]

Nicole Louro