The 5 Most Common Specialties of Private Investigators

October 18, 2017

There are many areas a private investigator can dip his fingers into. Some private detective services are more common than the rest. Like in any other business a private investigator will also decide on what he should train his eyes … Continued

Finding the Best Private Investigator for Your Case

September 21, 2017

Private Investigation in the Philippines The Philippines is a beautiful and scenic country, but unfortunately, the country has its problems, including that of notorious elements. Let’s face it; poverty is prevalent in the country. And, often this leads to desperation … Continued

Necessity of Conducting Background Investigations Prior to Employment

July 15, 2017

Employment background investigations or background checks are a process of investigating criminal records, personnel files, financial records, etc. on an individual before hiring them. Purpose Of Employment Background Investigations Employers need to verify the authenticity of job seekers, especially for … Continued

How Philippine Investigators Can Help in Solving Missing Persons Cases

May 15, 2017

Private investigators Philippines are sworn law enforcement officers or licensed private investigators that use multitude of varied investigative methods, plus established standard operating procedures (SOPs), combined with specialized training in order to search for and locate people who are missing … Continued

How You Can Benefit from Intellectual Property Rights Investigations

April 15, 2017

With high profile mergers, corporate acquisitions, public offerings, and litigations come an increased interest in intellectual property rights of the companies involved. But many organizations and businesses still fail to understand the importance of and possible risks to their intellectual … Continued

Strengthen your reputation with IPR investigations

February 1, 2017

Let’s face it, Intellectual Property Rights in the Philippines are wide open to abuse. In fact, the industry has been known for significant corruption. There are thousands of IPR infringements and thousands of illicit manufacturers and major illegal importers and … Continued

Intellectual Property Rights

OSI has investigated several thousand IPR infringers and successfully raided over 2,500 illicit manufacturers and major importer/distributors, Philippine-wide, since 1992. And their success rate hovers at just under 98% over the last 22 years, a significant accomplishment in an industry known for significant corruption.


Commercial Investigations

While OSI's three senior managers have many years of investigative experience throughout Europe, the Americas and other areas within S.E. Asia, they have over 70+ years of such experience and investigative contacts throughout the Philippines. And, they have established a proven and successful track record as reflected by their client list outlined on the client page of this website.


Security Risk Management

OSI's Security Risk Management division supports the protection initiatives of major international and local corporations doing business throughout the Philippines. In-country operational regions include the major high risk areas in Mindanao, where current activities include performing in-depth security and political risk assessments, security program audits, VIP protection operations, and counter insurgency collections.


About Us

OSI Philippines was formed in 2001 by Jeff Williams, who is Board Certified in Security Management by the American Society for Industrial Security International.

Mr. Williams has over 40 years of combined worldwide investigative and security consulting experience, with over 25 years working Philippine-wide as a Special Agent and Counterintelligence Officer with the USAF Office of Special Investigations (OSI), U.S. Embassy, Manila; and then as the Country Manager for Pinkerton Consulting Services, Philippines.