​Trusted Private Investigator Services in Texas

Special Investigations Group provides a comprehensive range of professional investigative services throughout Austin and Central Texas. Every case is handled by highly trained and experienced private investigators with backgrounds in law enforcement, military, and legal investigations. We understand the importance of discretion—every client matter is treated with the utmost confidentiality and care.

All Services

• Capital Murder Investigations
• Felony Criminal Investigations
• Misdemeanor Criminal Investigations
• Infidelity / Cheating Spouse Investigations
• Fraud Investigations
• Background Checks
• Child Custody
• Covert Operations
• Missing Persons
• Corporate/Workplace Investigations
• GPS Vehicle Tracking
• Debt Collections
• Comprehensive Background Investigations
• Surveillance
• Computer Forensics
• Civil Litigation Support
• Bug Sweeping/Camera Detection
• Loss Prevention

At Special Investigations Group, we proudly serve Austin, Texas and surrounding areas with discreet, results-driven investigative services. Every case is handled with the utmost confidentiality and a commitment to exceptional client care. Our licensed private investigators provide clear, consistent updates throughout the investigation and deliver comprehensive, court-ready reports within 72 hours of case closure.


Available 24/7 our investigative team upholds the highest standards of professionalism, discretion, and accuracy. All investigators are fully licensed through the Texas Department of Public Safety Private Security Bureau and receive ongoing training to ensure each case is approached with legal precision and modern investigative techniques. Whether you're dealing with a civil matter, background check, surveillance, or a complex criminal defense investigation, Special Investigations Group is your trusted resource for private investigation in Austin, Texas.