Who We Are

A1-Trace International is a Licensed Private Investigation firm and our first office in San Diego, California was founded in the summer of 1996. In 1999 we opened A1-Trace International Private Investigations Corporate Offices in Buena Park, CA, which allowed us to better serve Los Angles County and the surrounding cities.

As Licensed Private Investigators we offer our services to individuals and organizations. We serve our clients in our offices and over the Internet.

Investigators at A1-Trace International specialize in but are not limited to:

  • Criminal-Homeland Investigations
  • Criminal Defense
  • Background Checks: USA and Foreign
  • Missing Persons
  • Telephone Profiles
  • Loss Prevention
  • Security Consultation

Southern CA, and Orange County residents
request a consultation by calling 714-876-6003
No Spam or Advertising Calls


  • PICA - Professional Investigators of California
  • NICSS - National Council of Investigation and Security Services
  • ACI - Association of Christian Investigators