VP Security Services
- Patrol
- Period
- Property
24 agencies listed · 10 in San Jose · 6 open 24/7 · 10 open weekends · 14 rated 4.5+
Data verified October 21, 2026
The 24 agencies on this page are the private investigators listed for San Jose, CA. What each one states about its license, its specialties and the areas it covers comes from its own website; ratings and quotes come from public reviews.

10 of the 24 agencies we list are based in San Jose; the other 14 serve San Jose from towns including Campbell (6 mi), Santa Clara (8 mi) and Fremont (17 mi). 17 of the agencies on this page have a rating, from 4.2 to 5.0 across 486 reviews; 3 have 50 or more reviews and 14 are rated 4.5 or higher. The topics that come up most in reviews of the agencies on this page are "communication" and "price". 6 are open around the clock; 10 are open on Saturdays and 9 on Sundays. 7 show a license on their websites and 1 has a BBB rating of A or A+. 19 have ten or more years of experience, the longest 61 years. 6 offer urgent consultations; 3 offer a free initial consultation and 1 is family- or locally-owned. We have a website on file for 23 of the agencies on this page; 20 publish a contact page and 15 list a public email. We count these figures across the agencies on this page; distances are straight-line, and hours and prices change, so confirm the details with the agency before you book.
10 of the 24 agencies have an address in San Jose. The others come from other towns. Investigators travel to the subject, so an office one county over is rarely the issue. State licensing is the thing to check.