Private Investigations and Services for individuals, Industry, Commerce and Legal Practices.Electronic Surveillance - Investigation Agency - Private Investigators - Private Detectives - Close ProtectionC.S.I DETECTIVE AGENCY are a private detective and investigation agency who have private investigators and detectives specialising in electronic surveillance throughout the united kingdom. With dedicated private investigators operating surveillance services for anything from missing persons to matrimonial issues, With over 30 years investigative experience acting as private investigators, c.s.i detective agency are sought after for electronic surveillance experience, and anywhere where the expertise of a Private Detective is required .Complete, Seamless Process Expert and Professional Service Swift Action Effective and Positive Results A service that is big enough to manage but personal enough to care. Our combination of skill,