Business Details
30 Years
experience
Emergency
services
Your Trusted Private Investigator in San Jose, CA
San Jose Detective Agency has been a trusted investigative resource in the South Bay and Silicon Valley areas since 1996. Our team of licensed professionals brings decades of law enforcement and private sector experience to deliver discreet, legally compliant solutions for individuals, attorneys, and businesses. Specializing in surveillance, background checks, and security services, we prioritize client confidentiality and evidence-based results.With expertise in domestic investigations, polygraph testing, and workers' compensation fraud detection, we combine cutting-edge technology with meticulous attention to detail. Our commitment to ethical practices and client-centric service has solidified our reputation as a leader in Northern California's investigative industry.
Services
Private Investigations
Bodyguard Services
Cheating Spouse Investigations
Child Custody Investigations
Polygraph Testing
Bug Detection
Undercover Surveillance
Workers Compensation Investigations
Details
- Year established: 1996
Highlights and features
- Licensed investigators with 28+ years of combined experience in law enforcement and private sectors
- Certified polygraph examiners trained by FBI and private polygraph schools
- 24/7 availability for emergency investigations and protection services
- Court-tested evidence collection methods compliant with California legal standards
- Customized solutions for complex cases including corporate fraud and family law matters
Associations and certifications
- California Association of Licensed Investigators (CALI)
- American Association of Police Polygraphists
What people say
Very responsive and professional
Extremely helpful advice
Great job with security system
Prompt background check results
Crucial fraud investigation support
Services
Private Investigations
Our licensed investigators provide comprehensive solutions for personal, corporate, and legal matters. Utilizing advanced surveillance technology and traditional detective work, we deliver actionable intelligence for cases involving fraud, asset verification, and witness testimony. Clients benefit from our 28-year track record of court-admissible evidence collection and discreet case management across Northern California.
Bodyguard Services
Professional armed and unarmed protection services for high-profile individuals and corporate executives. Our state-licensed security personnel provide 24/7 threat assessment, risk mitigation, and emergency response. Clients receive customized protection plans including workplace security, travel escorts, and event safety coordination with full insurance coverage for added peace of mind.
Polygraph Testing
Certified polygraph examinations using digital computerized equipment. Conducted by FBI-trained examiners with 20+ years of experience, our testing meets legal standards for pre-employment screening and case verification. The service includes comprehensive reporting and court-ready documentation while maintaining strict confidentiality protocols for sensitive investigations.
Bug Detection
Advanced technical security audits to detect hidden audio/video devices in residential and commercial properties. Our specialists use RF detection and non-linear junction technology to ensure complete privacy protection. The service includes thorough environmental scanning and post-sweep security recommendations for corporate clients and private individuals concerned about unauthorized surveillance.
Workers Compensation Investigations
Specialized investigations to verify legitimate workers' compensation claims. Our team conducts discreet surveillance and evidence collection to document injury authenticity while maintaining strict compliance with California labor laws. Businesses benefit from detailed reporting that helps reduce insurance premiums and prevent fraudulent claims through documented behavioral analysis and medical verification.
People
Ray W. Johnson
Owner/Investigator
Former two-term governor of the San Jose CALI chapter with police academy training. Specializes in complex fraud cases and executive protection. Maintains active licensing and insurance certifications for armed security operations.
Questions
What types of investigations do you handle?
We handle private investigations for individuals, corporate fraud cases, family law matters, and attorney support including witness locates and trial preparation services.
Are your investigators licensed and insured?
All personnel maintain active California private investigator licenses with E&O insurance coverage up to $2 million for security operations.
Do you offer services outside San Jose?
We serve all South Bay areas including Los Gatos, Morgan Hill, Gilroy, and Cupertino with mobile investigation units available statewide.
How quickly can you start an investigation?
Emergency cases receive immediate attention with standard investigations typically commencing within 24 hours of initial consultation.
Can you perform polygraph testing for legal cases?
Our certified examiners provide court-admissible polygraph results using FBI-standard protocols for both civil and criminal case verification.
What security services do you offer?
We provide armed/unarmed bodyguards, workplace violence prevention, event security, and customized risk management solutions for residential and corporate clients.
