Global Reach, Local Expertise
At ATN USA / TSASEC, we pride ourselves on our extensive network of experienced professionals who specialize in private and corporate investigations. With over 45 years of experience, our team operates across 37 countries, offering confidential and lawful investigative services tailored to the unique needs of each client.

We uphold the highest standards of integrity in all our investigations, ensuring every action is legally compliant and ethically sound.

Protecting client privacy is paramount. We manage every investigation discreetly, maintaining the confidentiality of sensitive information.

Our team consists of professionals with backgrounds in law enforcement, military, and corporate investigations, providing reliable and expert services.

Lead Investigator with 20 years of law enforcement experience.

Expert in corporate investigations and background checks.

Specialist in fraud and financial investigations.

Experienced in private and civil investigations.

Forensic expert with a background in digital evidence.

Consultant for security awareness and risk assessment.