Jonathan Gladwin is a senior security and risk advisor with over 30 years’ professional experience, advising clients across government, healthcare, housing, heritage, cultural organisations and the private security industry. An HM Forces veteran and professionally accredited archaeologist, Jonathan brings a distinctive blend of operational security experience, strategic risk management expertise and deep understanding of complex, public‑facing environments.
Jonathan’s advisory work spans security and risk management, counter‑terrorism and protective security, data protection and information governance, education and heritage crime prevention. He regularly supports boards, executive teams and senior leaders to understand and respond to evolving regulatory and legislative requirements, including preparation for Martyn’s Law (Terrorism Protection of Premises Act 2025). His work focuses on proportionate risk assessment, governance readiness, staff awareness and the integration of security measures into existing operational and assurance frameworks.
With recognised expertise in the heritage and cultural sectors, Jonathan advises on the protection of historic buildings, collections and cultural property, including the prevention of theft, vandalism and hostile reconnaissance. He delivers heritage crime audits of historic sites, supports organisations seeking or maintaining museum status, and advises on cultural property protection informed by his UNESCO qualification in Preventing the Illicit Trafficking of Cultural Property.
A member of the UK Counter Terrorism Advisory Group, the International Security Advisory Council, and the Chartered Institute for Archaeologists, Jonathan is known for his calm, pragmatic and commercially‑minded advisory approach, helping organisations protect people, assets and reputation while maintaining public trust and operational resilience.
Career Highlights
- Counter‑Terrorism & Public Protection (Local Government): Jonathan has undertaken counter‑terrorism risk and vulnerability reviews for London local authorities, assessing town centres and surrounding public realms against prevailing and emerging threat profiles. His work examines terrorism‑related risk in the context of local activity, footfall, transport links and place‑based vulnerabilities, identifying material weaknesses requiring urgent action and supporting senior decision‑makers to prioritise proportionate, defensible interventions to reduce risk and strengthen public protection.
- Data Protection & Children’s Rights (Government & Public Sector): Jonathan has provided data protection advisory support to arm’s‑length government bodies with statutory responsibilities for protecting and promoting the rights of children, including the most vulnerable. His work has focused on lawful processing, consent, transparency and data governance, including advising on the development of a major national survey addressing pandemic‑related inequalities, enabling robust, ethical and defensible data‑processing approaches while maintaining public trust and regulatory compliance.
- Martyn’s Law & Protective Security (Education & Public‑Facing Environments): Jonathan provides independent security and risk advisory support to boards and senior leaders across large, complex education and public‑facing environments, helping organisations assess and strengthen readiness for the Terrorism (Protection of Premises) Act 2025 (Martyn’s Law). His work translates regulatory and policy requirements into practical, proportionate and defensible approaches, supporting assurance, risk prioritisation and a resilient security culture without undermining accessibility or welfare.
- Heritage Crime & Cultural Property Protection: Jonathan has advised on heritage crime risk and protective security across multiple nationally significant historic sites, supporting owners, trustees and operators to safeguard vulnerable assets. His work focuses on risks such as theft of historic fabric, vandalism, arson and unauthorised access, translating these into conservation‑sensitive security strategies aligned with regulation, insurer expectations and long‑term public access, funding confidence and asset value.
- Residential & Multi‑Site Portfolio Security: Jonathan provides independent security and risk advisory services across complex, multi‑site residential and public‑facing portfolios, supporting owners, managing agents and boards to understand material risk, governance gaps and operational vulnerabilities. His work delivers clear, prioritised recommendations and practical delivery roadmaps, helping clients strengthen assurance, modernise access control and surveillance, improve emergency preparedness and embed consistent, risk‑informed security frameworks without disrupting day‑to‑day operations.