We Offer a Wide Variety of Services

  • Security Guard Training

  • Firearms Training

  • Secuirty Guard Services

  • Registered Process Server

  • Private Investigation Services

Featured Instructor

Our expert instructors are here to support you

Senior Instructor Jeff Ososke

Jeffrey is well-versed in the security sector and holds numerous licenses and credentials in California and 31 other states. He is BSIS-licensed as a firearms instructor, private patrol operator, private investigator, and registered process server. He has also trained in de-escalation techniques, use of deadly force, weapons of mass destruction, and terrorism awareness. His 30 years of experience has been the bedrock upon which OSOS SECURITY SERVICES has built its foundation for providing quality services.

Senior Instructor Julianne Ososke

Julianne has remarkable leadership skills and extensive experience gained from 25 years in business management. Her expertise has played an important role in the steady growth of OSOS SECURITY SERVICES and its rise as a respected organization. Julianne is an NRA-certified firearms instructor, private patrol operator, and private investigator. She is also a DOJ-certified firearms safety instructor and BSIS-licensed firearms instructor. She is a graduate from the Sandra Day O’Connor College of Law, and she also holds master’s degrees in legal studies and business administration from the University of Phoenix.