Premier Managed MSSP & Cyber Security Consultancy in Cardiff
313SEC helps small businesses build real cyber resilience without needing an in-house security team.
We are an independent cybersecurity company based in Cardiff, supporting organisations across Wales and the wider UK. Our clients often know that cyber security matters, but do not always know where to start, what to prioritise, or how to make sense of the risks they face.
We provide clear, practical and ongoing cyber security support. This includes managed threat detection and response, vulnerability testing, staff awareness training, Cyber Essentials support, ISO 27001 guidance, incident response, and virtual security leadership for organisations that need dedicated cyber expertise without the cost or complexity of building a full internal team.
We work with businesses that want stronger protection, clearer visibility and practical guidance on what to do next. This includes professional services firms, healthcare and dental practices, education providers, charities, local organisations, suppliers, and growing companies that are starting to face more security questions from clients, insurers, regulators or larger partners.
Many of the organisations we support already have IT support in place, but need deeper cyber security ownership. They may need help understanding their risk, improving their security posture, preparing for certification, responding to supplier questionnaires, or putting proper monitoring and response in place.
Our role is to give businesses the kind of protection, visibility and confidence usually associated with larger security teams, but in a way that is realistic, understandable and proportionate to their size, budget and risk.
We help clients understand what matters, what needs fixing, what has already been done, and what should happen next. Our approach is independent, vendor-agnostic and aligned with recognised standards and frameworks, including NCSC guidance, NIST CSF, Cyber Essentials, ISO 27001 and MITRE ATT&CK.
Clients come to us when they need practical protection rather than more noise. They may be responding to client, insurer or supplier requirements, preparing for certification, improving their security posture, or simply wanting peace of mind that someone is actively looking after their cyber risk.
At its core, 313SEC exists to make strong cyber security more accessible, practical and accountable for businesses that need trusted cyber expertise without unnecessary complexity.
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