Protocol 9
Private Investigations, Security Consultancy & Practical Training
Protocol 9 provides discreet, professional investigation, security consultancy and specialist training for private individuals, businesses and security professionals.
Based in Leatherhead, Surrey, and working across London and the South East, Protocol 9 is built on more than 30 years of operational experience in policing, investigations, surveillance, security and incident management.
No unnecessary jargon. No security theatre. Just practical, evidence-led solutions based on real-world experience.
Your Trusted Partner in Security
At Protocol 9,we deliver unmatched expertise in private investigations, offender case building, surveillance, and tactical training. Whether supporting law enforcement agencies, corporate entities, or private clients, we build stronger cases and deliver uncompromised results through intelligence-driven strategies.


Private Investigations
Discreet, professional investigative services tailored to the individual circumstances of each case.
From initial enquiries and information gathering through to surveillance and evidence development, every investigation is approached objectively, lawfully and confidentially.
Corporate Security Consulting
Good security isn't about having the most equipment. It's about understanding the threat, identifying the weakness and putting the right measures in the right place.
Protocol 9 provides practical security advice based on real operational experience, helping organisations identify vulnerabilities before somebody else does.


Investigation & Security Training
Training should prepare people for what actually happens — not simply teach them how to pass a course.
Protocol 9 delivers practical training in investigation, surveillance, security operations, incident management and specialist observational skills.
Courses can be tailored for individuals, security professionals and organisations.
Fraud Investigations
Expert analysis and investigation services to address fraud efficiently.
