Licensed Private Investigators in Texas & Mexico
Discreet, Results-Driven Investigations for Attorneys, Businesses & Private Clients
Discreet, Results-Driven Investigations for Attorneys, Businesses & Private Clients

International Specialized Investigations is a trusted provider of licensed private investigation services in Texas, including Temple, Belton, Killeen, Houston, The Woodlands, Spring, Cypress, Conroe, and Magnolia, as well as nationwide and international investigations in Mexico. Our experienced investigators specialize in surveillance, background checks, criminal defense investigations, and corporate investigations, delivering accurate, confidential, and court-ready results.
We proudly offer bilingual English and Spanish-speaking private investigators, allowing for clear communication and effective investigations across cultural and language barriers. This enables us to better serve individuals, attorneys, and businesses in both Texas and Mexico investigations.
Whether you need evidence for litigation, due diligence for a business matter, or answers to a personal concern, our team is committed to uncovering the truth with precision, discretion, and integrity. We provide trusted services in infidelity investigations, missing persons investigations, and locate services, helping clients get real answers when it matters most.

We provide professional investigative services with the highest level of discretion, supporting attorneys, businesses, and private clients. From criminal defense investigations to surveillance, witness interviews, and background checks, our team delivers accurate, timely, and court-ready results.

Our team conducts covert surveillance operations designed to uncover the truth while maintaining complete discretion. Using advanced techniques and professional-grade equipment, we document activities with high-quality video, photography, and detailed reports.

We conduct comprehensive missing persons investigations with urgency, discretion, and attention to detail. Whether you are searching for a loved one, a witness, or an individual connected to a legal matter, our team uses proven investigative techniques to develop leads and uncover critical information.

We provide professional investigative services throughout Mexico, supporting attorneys, businesses, and private clients with reliable, on-the-ground intelligence. Our team understands the complexities of cross-border investigations and operates with discretion, cultural awareness, and local expertise.

Effective communication is critical in any investigation. Our bilingual private investigators are fluent in both English and Spanish, allowing us to accurately gather information, conduct interviews, and build trust with witnesses and clients.

When something doesn’t feel right, clear answers matter. We conduct discreet domestic investigations to uncover the truth through professional surveillance and reliable evidence. Every case is handled with confidentiality, giving you the information you need to move forward with confidence.
We conduct every investigation with uncompromising integrity and strict adherence to legal and ethical standards. Confidentiality is not optional—it is foundational to our work. Clients trust us with sensitive matters, and we protect that trust at every stage of the investigation.
Our investigators are seasoned professionals with extensive experience in complex and sensitive cases. We approach every assignment with discipline, discretion, and attention to detail, understanding the real-world consequences our work carries for our clients.
We focus on delivering clear, actionable intelligence—not just information. Using proven investigative methods and advanced techniques, we produce accurate, timely, and court-ready results that support informed decisions and successful outcomes.

Private Investigators in Houston and Nearby Cities Throughout Harris County

Serving Belton, Temple, Killeen, Harker Heights & Surrounding Areas .

Private Investigations in College Station and Nearby Communities

Investigative Services Across Mexico: Mexico City, Cancún, Cabo San Lucas, Puerto Vallarta & More
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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