Background investigations
Identity, criminal, civil litigation, employment, and reputational research — analyst-verified, county-level.
Texas · San Antonio
Private Investigator in San Antonio, Texas.
OnTrial provides licensed private investigations and enterprise intelligence in San Antonio, Texas — background investigations, due diligence, asset searches, surveillance, and litigation support for the region's healthcare, business, and legal communities. Analyst-verified, Texas DPS licensed.
Licensed by the Texas DPS (#C31261501). Analyst-verified. Fixed cost per engagement, with rush available.
The work
Investigations we provide in San Antonio.
Due diligence
Pre-transaction diligence on principals, counterparties, and targets — litigation, regulatory, adverse-media, and beneficial-ownership context.
Asset searches & recovery
Real property, vehicles, business interests, accounts, judgments, and on-chain cryptocurrency tied to a subject.
Surveillance
Licensed sub rosa surveillance and activity checks, documented as timestamped, evidentiary-grade video.
Litigation investigations
Party and witness workups, witness location and vetting, and evidence capture for civil matters.
Private client
Discreet intelligence for individuals, families, and family offices — vetting, diligence, and reputation work, handled in confidence.
Serving Bexar County
Built for how San Antonio works.
Intelligence, delivered on a platform — with operators in the field when a matter calls for it.
San Antonio pairs a large healthcare and bioscience economy with one of the fastest-growing metros in the country and a busy Bexar County court system. OnTrial supports the region's employers with pre-hire and vendor diligence, its litigators with party, witness, and asset investigations, and its private clients with discreet personal intelligence.
OnTrial is headquartered in Austin and serves San Antonio and the surrounding Bexar County area. Every finding is verified by an analyst before it reaches you.
Typical engagements
What San Antonio clients order.
- Pre-hire and vendor background investigations for healthcare and business employers
- Litigation investigations before the Bexar County courts
- Sub rosa surveillance and AOE/COE for insurance-defense matters
- Due diligence on principals, counterparties, and targets
- Asset searches, tracing, and post-judgment enforcement
- Discreet private-client and family intelligence
Why the work holds up
Licensed, verified, defensible.
Every finding is sourced and analyst-verified. Every operator is licensed.
Every internal role at OnTrial is held by a veteran of the U.S. military, federal law enforcement, or state / municipal law enforcement — by mandate.
SOC 2 Type II, FCRA, GLBA, and CCPA compliant. AI-governance posture is documented — see AI Governance and Data Security.
OnTrial, LLC is licensed by the Texas Department of Public Safety as a Private Investigations Company (#C31261501).
FAQ
Private investigation in San Antonio, explained.
- Is OnTrial licensed to operate in San Antonio?
- Yes. OnTrial, LLC is licensed by the Texas Department of Public Safety as a Private Investigations Company (#C31261501), which covers San Antonio and Bexar County.
- Do you have investigators in San Antonio?
- Yes. OnTrial is headquartered in Austin and deploys licensed operators across San Antonio and Bexar County; most intelligence work is ordered and delivered directly through the platform.
- What kinds of cases do you handle in San Antonio?
- The full capability set: background investigations, due diligence, asset searches, surveillance, litigation investigations, and discreet private-client work — for employers, law firms, and individuals.
- What does a private investigator in San Antonio cost?
- Every engagement is a fixed cost, quoted up front — no subscription, no monthly fees, no retainers. Pricing depends on scope, with rush turnaround available when a matter requires it.
Start an engagement in San Antonio.
Create a free OnTrial account and order directly from the platform. No subscription, no monthly fees.