
At International Specialized Investigations, we provide professional, discreet, and results-driven private investigation services for attorneys, businesses, and private clients.
Our firm specializes in criminal defense investigations, surveillance, corporate investigations, and domestic cases—delivering accurate intelligence and reliable evidence you can trust.
With extensive experience in complex investigations, we work closely with criminal defense attorneys to uncover critical facts, locate witnesses, and support trial preparation. Our approach is strategic, detail-oriented, and focused on producing results that make a difference.
We proudly serve clients throughout Houston, Temple, Belton, and Killeen, as well as statewide, nationwide, and internationally. We offer fully bilingual services in English and Spanish, ensuring clear communication with clients and witnesses at every stage of the investigation.
Whether you need surveillance, background investigations, asset searches, or litigation support, our team is committed to confidentiality, professionalism, and excellence in every case.

When the truth matters, experience makes the difference. We provide professional private investigation services for criminal defense, domestic matters, and complex cases. Our team delivers reliable intelligence, thorough documentation, and actionable evidence—handled with complete confidentiality.

From criminal defense investigations and surveillance to corporate cases and background checks, we offer comprehensive investigative services tailored to your needs. We work with attorneys, businesses, and private clients to uncover critical facts and deliver results you can trust.
202 E Central Ave, Belton, TX 76513, USA
U.S.A. Phone: (800) 515-6790 Mexico Phone: 011-52-559-425-6762 Texas D.P.S. License A18949
Mon | 09:00 am – 05:00 pm | |
Tue | 09:00 am – 05:00 pm | |
Wed | 09:00 am – 05:00 pm | |
Thu | 09:00 am – 05:00 pm | |
Fri | 09:00 am – 05:00 pm | |
Sat | Closed | |
Sun | Closed |
International Specialized Investigations
202 East Central Avenue, Belton, TX 76513
U.S.A. Phone: (800) 515-6790
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