Civil protection services; Guard services; Guarding of buildings; Guarding of goods; Guarding of persons; Guarding of real estate; Guarding of schools; Guarding services (other than guarded transport); Monitoring of alarms; Night guard services; Personal background investigations; Personal bodyguard services; Personal bodyguarding; Private investigation services; Provision of night guards; Advisory services relating to security; Advisory services relating to the security of premises; Aircraft security services; Airline passenger security screening services; Airport security services; Biometric security services; Consultancy services relating to security; Employment screening services (security checking); Life saving and life guarding services (safety and security patrols); Monitoring of burglar and security alarms; Monitoring of security systems; Physical security consultancy; Providing authentication of personal identification information (personal background or security investigations); Providing information, including online, about security; Provision of information relating to security; Provision of on-site security facilities; Provision of security alarm monitoring services; Provision of security information; Public events security services; Security advisory services; Security assessment of risks; Security guards; Security marking of goods; Security screening of baggage; Security services; Security services for the protection of property and individuals; Services for the protection of property and individuals; Closed-circuit surveillance; Monitoring of surveillance systems; Security surveillance; Surveillance of buildings; Surveillance of goods; Surveillance of personnel; Tracing of missing persons