QMC4 Cyber is a managed security partner for ambitious UK businesses. We pair a 24/7 security operation with an AI-agent layer that does the work humans shouldn't have to — round the clock, every day.
Last updated: 5 May 2026
Most cyber attacks no longer announce themselves. They drift in through a phished mailbox, a dormant identity or a misconfigured cloud rule, and surface weeks later as a regulator's letter or a client's phone call.
By then, the cost is no longer technical — it's reputational, contractual and financial.
QMC4 Cyberis built around that reality. We run a 24/7 security operation backed by an AI-agent layer that does the relentless work humans shouldn't — triage, correlation across thousands of signals, and immediate first-response on the patterns we recognise.
Our vCISO team translates what we see into language your board, your insurer and your auditor recognise.
Most cyber security companies have added AI to what they were already doing. We came at it from the other direction.
QMC4 has spent years designing and shipping agentic AI systems for regulated industries — work where the system has to be explainable, auditable and operationally trusted, because real businesses depend on it.
QMC4 Cyber is what happens when that engineering discipline meets a managed security operation. The result is a service that pairs experienced security engineers with an AI-agent layer that does what software should: handle the relentless, repeatable work, so people can spend their time on the parts that need judgement.
QMC4 Cyber is a managed security partner for ambitious UK businesses. We run a 24/7 security operation backed by an AI-agent layer across four pillars: Sentinel (managed detection and response), Identity (ITDR and zero trust), Counsel (vCISO and security leadership) and Foundation (managed IT, secure by default).
Yes. Our Sentinel service delivers round-the-clock SOC coverage through specialist follow-the-sun partners, orchestrated and held accountable by QMC4 Cyber. One contract, one number to call.
MDR is an outsourced cyber security service that combines technology, threat intelligence and human analysts to detect, investigate and respond to threats inside your environment. QMC4 Cyber pairs experienced security engineers with an AI-agent layer that triages and correlates alerts the moment they land.
Yes. Our Counsel service places a senior security leader on retainer alongside your leadership team — covering Cyber Essentials and Cyber Essentials Plus, ISO 27001 alignment, security questionnaires, and quarterly board papers your insurer and auditor recognise.
Yes. QMC4 Cyber holds Cyber Essentials and Cyber Essentials Plus certification, and we take clients through both as part of our Counsel service. We are also aligned to the NCSC Cyber Assessment Framework and NIST CSF.
Our AI agents handle the relentless, repeatable work that humans should not have to: triage, correlation across thousands of signals, and immediate first-response on the patterns we recognise. Human engineers handle the parts that need judgement. The system is designed to be explainable, auditable and operationally trusted.
QMC4 Cyber is a trading division of QMC4 Group Limited, a Guernsey company. We serve ambitious UK businesses and their boards, insurers and regulators.
Most of our first conversations take 30 minutes. No sales theatre and no fear-based pitching — just a clear read on where your business actually stands and what would move the needle.
Most of our first conversations take 30 minutes. No sales theatre, no fear-based pitching — just a clear read on where your business actually stands and what would move the needle.