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Defuse

Behavioural threat advisory for prominent individuals, families, and their advisers.

Services-only
01 — Overview

What Defuse does

Prominent families and the advisers who protect them face a recurring problem: when someone's behaviour becomes concerning, the security industry defaults to visible protective measures rather than answering the question that actually matters — what is this person likely to do next? Defuse Global was founded by Philip Grindell, a former Scotland Yard detective and the architect of Parliament's threat assessment capability, to fill that gap. The firm provides behavioural threat oversight, not physical guarding, and works with family offices, private clients, lawyers, and strategic communications firms to assess whether a situation warrants action or reassurance.

The firm's work covers several distinct situations that family offices encounter:

  • Digital Exposure Assessments mapping what personal information is publicly accessible and how it could be used by someone with hostile intent
  • Ongoing retainer-based behavioural threat oversight for principals and their families
  • Stalker and fixated-person risk assessments, drawing on forensic psychology expertise from Dr Lorraine Sheridan, who completed Europe's first PhD on stalking
  • Insider threat and disgruntled employee assessments for family office structures
  • Risk register development to capture, prioritise, and assign ownership of emerging threats

Defuse Global is structured deliberately as a small advisory practice, not a scaled security operation. That means direct access to experienced practitioners rather than junior analysts, but it also means capacity is finite. The firm serves an international client base, with testimony from a US-based family office CSO, though its operational base is in the United Kingdom. Pricing is not disclosed publicly. Buyers seeking a firm that will default to adding security spend rather than first assessing whether it is warranted will find Defuse Global's approach deliberately counter to that instinct — which is precisely the point for family offices that want proportionate, evidence-led judgement over reactive escalation.

Philip is the one who tells me whether my client is actually in danger and, if so, what to do about it. He won't oversell, he won't undersell — he'll just tell me the truth.

On Defuse, from a family-office user
02 — Product & capabilities

What it covers

Core tasks
  • Behavioural threat assessment for stalkers, fixated individuals, and persons of concern
  • Digital exposure assessment identifying publicly accessible personal information
  • Ongoing retainer-based threat oversight for principals and family offices
  • Risk register development and management for private family offices
  • Insider threat and disgruntled employee assessments
  • Advisory support for lawyers, CSOs, and other professional advisers to prominent individuals
Notable features
  • Digital Exposure Assessment delivered within 7 days
  • Behavioural threat oversight on a retained basis
  • SAFER Model proprietary framework for resolving threats at root cause
  • Forensic psychology input from a chartered psychologist specialising in stalking and harassment
  • Adviser resources and support materials for legal, security, and communications professionals
  • Case-specific risk registers for private family offices
  • Proportionate, evidence-led threat response planning
  • Confidential advisory with highest-level government clearance background
03 — Company

The firm behind it

Ownership
Privately held
Software type
Services-only
Headquarters / markets
United Kingdom, United States
Offices
London
Key people
PPhilip GrindellCEO and Founder
AAmanda GrindellDirector of Business Development
DDr Lorraine SheridanChartered Forensic Psychologist
Recognition
  • Spear's 500 Top Recommended - Security, Intelligence and Investigations
04 — Clients & fit

Who it’s for

Built for Single Family Office (SFO), Multi Family Office (MFO), Private Wealth Owners / Principals, Advisors / Wealth Advisors (RIA).

05 — Support & onboarding

Getting it running

Direct phone and email contact with the advisory team. Dedicated callback service available.

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