International Specialized Investigations
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  • About Our Investigators
  • Our Investigative Team
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  • Investigations Services
  • Mexico Investigations
  • Investigadores Privados
International Specialized Investigations
  • Home
  • About Our Investigators
  • Our Investigative Team
  • Investigations License
  • Contact
  • Investigations Services
  • Mexico Investigations
  • Investigadores Privados

Professional Private Investigation Services

 Criminal Defense, Surveillance, Corporate & Domestic Investigations 

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Full-Service Private Investigations

Expert Private Investigation Services by International Specialized Investigations

We provide professional private investigation services for attorneys, businesses, and private clients, delivering discreet, accurate, and results-driven solutions.


Our firm specializes in criminal defense investigations, surveillance, background investigations, and complex case analysis—ensuring every case is handled with precision and confidentiality.


Our criminal defense and litigation support services help attorneys build stronger cases. We conduct witness interviews, locate key individuals, gather critical evidence, and uncover facts that can make a decisive difference in court.


In addition to legal investigations, we offer domestic and infidelity investigations, fraud investigations, asset searches, and corporate investigations—delivering clear, actionable intelligence.


Our investigators are fully fluent in Spanish, allowing us to effectively communicate with Spanish-speaking clients and witnesses and ensure nothing is lost in translation.


As licensed private investigators serving Houston, Temple, Belton, and Killeen, we operate in full compliance with Texas law and uphold the highest standards of professionalism and confidentiality.

Licensed Private Investigation Services

Criminal Defense Investigations

Criminal Defense Investigations

 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.

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Surveillance Investigations

Criminal Defense Investigations

 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. 

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Missing Persons Investigations

Private Investigations in Mexico

 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. 

Missing persons cases

Private Investigations in Mexico

Private Investigations in Mexico

 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. 

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Spanish-Speaking Private Investigators

Spanish-Speaking Private Investigators

 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. 

explore oure bilingual investigations

Domestic Investigations

Spanish-Speaking Private Investigators

 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. 

Learn about our domestic investigations

Discover why our clients love us

Speak with a Private Investigator

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Licensed Texas private investigators. All information remains confidential.

International Specialized Investigations

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

Hours

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

Copyright © 2026 International Specialized Investigations - All Rights Reserved.



Texas D.P.S. license a18949

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