Services
Security Assurance Audit. Physical Security Risk Assessments. Protective Services. Investigations and Litigation Support.
Security Assurance AuditOur Security Assurance Audit is an independent, comprehensive review of existing security and protective programs.Learn more
Physical Security Risk AssessmentsGreylock’s Physical Security Risk Assessment evaluates the current state of physical security at any property.Learn more
Protective ServicesOur Protective Services include Executive Protection, Event Security and Technical Surveillance Countermeasures (TSCM).Learn more
Investigations and Litigation SupportOur investigative work covers internal and workplace misconduct, financial fraud, threats and stalking of public figures, and private client matters.Learn more