# Sentinel Offender Services

Sentinel Offender Services is an other based in Irvine, United States.

## Overview

- **Organization type:** other
- **Headquarters:** Irvine, United States
- **Region:** North America
- **Address:** Irvine, CA, United States
- **Founded:** 1993
- **Assets under management:** Undisclosed
- **Website:** sentineladvantage.com

## Regulatory record

- **Reports private funds:** No

## About

Offender management solutions designed to meet you wherever you are. And that go with them wherever they go.

## Sectors

- Government Technology
- LegalTech
- Real Estate

## Offices

- Anaheim, CA

## People

- Robert Contestabile — Founder and Board Chairman

## Questions

### Who owns Sentinel Offender Services?

Sentinel Offender Services was founded by Robert Contestabile, who serves as Founder and Board Chairman. The company does not publicly disclose its ownership structure or whether it is owned by a family office, private equity, or other entity.

### How does Sentinel's offender-funded model work?

Sentinel pioneered a community-based offender-funded program where fees are paid by participants based on a financial assessment. Daily program fees are set according to the supervising agency's approved fee schedule and the participant's ability to pay. This model is designed to save taxpayer money while providing monitoring services.

### Does Sentinel operate only in the US?

Yes, Sentinel Offender Services operates exclusively within the United States, contracting with court systems, community corrections agencies, and law enforcement across multiple states.

### What products and services does Sentinel offer?

Sentinel provides GPS and RF electronic monitoring devices, breath alcohol monitoring, substance abuse screening, domestic violence victim monitoring, cognitive skills programming, case management, and participant reminder services. All are supported by the SentinelDNA analytics platform.

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Last updated: 2026-06-03T20:00:00.000Z

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