Why Choose Sentry?

          Second best is never good enough when it comes to security. Your peace  of mind comes from knowing that your assets, property, and lives are  being protected with a sophisticated and dedicated intelligent security  service. Today's ever-growing crime rate and budget restraints leave law  enforcement struggling to provide preventative services. Private  security is the only alternative for providing the uniformed presence  that is known to deter crime. A professional, uniformed presence will  help reduce costs associated with theft and vandalism and reduce  liability & insurance claims.

With 14 years in the security business, you can trust us to protect your home, family, and business.

What We Do

  • School Districts
  • Construction Sites
  • Office Buildings
  • Apartment Communites
  • HOA/Residential
  • Hotels/Motels
  • Event Venues
  • Shopping Centers

Top 10 Reasons To Choose Sentry


1.  Only company owned vehicles are used - Not employee owned vehicles like some other companies

2.  All cars are GPS tracked - Commercial grade GPS with professional reporting, not stick on the windshield type or cell phones

3.  All cars are computer equipped - We use them to enter your report entries in real time

4.  All cars are equipped with law enforcement grade video - Night vision equipped

5.  All report entries are searchable - We record all report entries in real time and save the file on a server

6.  Live DISPATCH, onsite - Sentry employees answer the phone not an answering service

7.  Supervisor on duty during all shifts, not on call

8.  Database managed electronic reporting - Not summary Word docs typed after the shift or PDF files

9.  Real-time access to all reports as they happen, 24x7 - No other company can do this

10. Custom reports to meet your needs and delivered to anyone, anytime - Only Sentry can

Contact Us

Sentry Security & Investigations

1106 Clayton Lane Suite 217E, Austin, Texas 78723, United States

Phone: 512-206-0515 Toll Free: 1-866-513-4202 Fax: 512-452-6690 Email: info@sentrysi.com

Office Hours

Open today

08:00 am – 05:00 pm