Surveillance & Sub Rosa Investigations
Covert observation and documentation for civil, insurance, employment, and private matters — planned, staffed, and reported for evidentiary use.
Private Investigations Silicon Valley · San Francisco Bay Area · Nationwide
Experienced investigators for complex and sensitive assignments.
JSP Associates provides discreet, responsive investigative services including surveillance, due diligence and investigative research, workplace investigations, and complex process serving.
- Since 1999
- 30+ years principal experience
- Silicon Valley & Bay Area
- Nationwide
Services / 01
Discreet investigative support when the facts matter.
A B Due Diligence & Investigative Research
Background and public-record research supporting transactions, hiring decisions, litigation, and pre-engagement review.
C Workplace & Employee Investigations
Discreet inquiries into workplace conduct, policy violations, and internal complaints, coordinated with counsel and HR.
D Complex Process Serving
Service of process on difficult, evasive, or time-critical subjects, with locating work and documented attempts.
E Pre-Litigation Investigation
Early fact-finding and investigative support to help attorneys, businesses, and private clients assess circumstances, identify relevant evidence and witnesses, and prepare before formal litigation begins.
Additional Investigative Services
- Witness Location & Interviews
- Jury Selection Research
- Specialized Investigative Services
Method
Experience changes how you approach an investigation.
About / 02
JSP Associates has served clients since 1999.
The firm is led by Joshua Prentiss, Senior Investigator and Principal, who brings more than thirty years of investigative experience across straightforward, complex, sensitive, and time-critical assignments. JSP Associates works with law firms, businesses, employers, and private clients throughout California and nationwide.
- Serving clients since
- 1999
- Years investigative experience
- 30+
- California & beyond
- Nationwide
Professional memberships
- CALICalifornia Association of Licensed Investigators
- NCISSNational Council of Investigation and Security Services
Discreet.
Confidentiality is treated as a working requirement, not a promise — in method, reporting, and communication.
Responsive.
Assignments are acknowledged quickly and staffed realistically, including time-critical matters.
Experienced.
Straightforward, complex, and sensitive assignments handled with accuracy and documented results.
Coverage / 03
Silicon Valley based. California experienced. Nationwide reach.
JSP Associates is based in Silicon Valley and the San Francisco Bay Area, and provides investigative support throughout California and nationwide, coordinating resources where an assignment requires presence outside the region.
- 01Silicon Valley
- 02San Francisco Bay Area
- 03California
- 04Nationwide
Professional standing
- California Association of Licensed Investigators
- National Council of Investigation and Security Services
- Silicon Valley · San Francisco Bay Area · Nationwide
Contact / 04
Discuss your investigation confidentially.
Direct
- Office
- 415-254-7974
- Hours
- Monday–Friday, 9am–5pm
Consultations available outside normal hours.