Private Investigation Services Lancaster CA

We offer a wide variety of private investigation services throughout Lancaster CA and the surrounding areas. Call 800-940-9611.

Industrial InvestigationBackground Checks

One Step Ahead Detective Agency provides a wide range of industrial investigation services throughout Lancaster, CA and the surrounding areas. Whether you need an employee background check, or are looking to prove or disprove workers comp fraud – we can help! Our industrial investigation services include:

  • Background Checks
  • Insurance Fraud
  • Workers Comp Investigation
  • Guard Card Training
  • Power to Arrest Training
  • Mobile Live Scan Services
  • And More!


Need to gather evidence against another individual? We also offer surveillance services for citizens, corporate organizations and government agencies. We offer a range of surveillance services including stake outs, legal video or phone evidence. Our surveillance has been used for:

  • Infidelity – Cheater Investigations
  • Criminal & Civil Investigations
  • Workers Compensation
  • Insurance Investigation
  • And More!

Process ServerProcess Server

One Step Ahead Detective Agency provides punctual, reliable and personalized process service. We are a trusted private investigator in Lancaster, CA providing services for a wide variety of clients. We are dedicated to providing the highest quality services at affordable rates. Our process server services include:

  • Summons and Complaints
  • Foreclosures
  • Divorce
  • Mechanic's Liens
  • Landlord Tenant - Eviction Notices
  • Subpoenas
  • Family Court
  • And much more!

CPR & First Aid CertificationCPR

We are also certified through American Heart Association and EMS Safety Services!

American Heart Association Qualifications Include:

  • BLS Instructor
  • Basic Life Support

Heartsaver Instructor:

  • Heartsaver CPR
  • Heartsaver CPR in Schools
  • Heartsaver AED
  • Heartsaver First Aid
  • Heartsaver Pediatric First Aid
  • Family & Friends

EMS Safety Services Qualification Include:

  • Emergency Response Instructor
  • CPR/AED and Basic First Aid
  • Bloodborne Pathogens
  • Professional Rescuer CPR/AED (BLS)
  • Advanced First Aid
  • Emergency Oxygen
  • Instructor Trainer
  • CA Child Care Provider

Our Service Areas Include: Orange County CA, Ventura CA, Los Angeles CA, North Hollywood CA, Beverly Hills CA, Lancaster CA, Rancho Cucamonga CA