Company Profile

KEYSIGMA is a UK cyber security company helping organisations strengthen their cyber resilience through practical, proportionate and straightforward support.

As an authorised Defence Cyber Certification (DCC) Certification Body, we support organisations across the defence supply chain with DCC certification from Level 0 through to Level 3, helping businesses understand their requirements and prepare for assessment.

We are also an authorised Cyber Essentials Certification Body and an NCSC Assured Cyber Advisor service provider, delivering Cyber Essentials and Cyber Essentials Plus certification alongside practical guidance to help organisations identify vulnerabilities and improve their cyber security posture.

Our experienced team works with organisations of all sizes, providing clear, pragmatic support without unnecessary complexity. We understand that cyber security requirements can feel daunting, particularly for SMEs and organisations navigating defence requirements for the first time, so we focus on making the process as clear and manageable as possible.

Our services include:

• Defence Cyber Certification (DCC) Levels 0–3
• Cyber Essentials
• Cyber Essentials Plus
• NCSC Assured Cyber Advisor services
• Cyber security consultancy and guidance

Whether an organisation is looking to meet contractual requirements, demonstrate compliance or strengthen its wider cyber resilience, KEYSIGMA provides knowledgeable, practical support throughout the process.