CALIFORNIA PI LICENSE NUMBER: PI-189558

ProTech Investigative Services is a private investigation agency located in the San Francisco Bay Area serving professional and private clients throughout the State of California.  

We provide Live Scan (DOJ/FBI) fingerprinting background checks and Various fraud/fidelity surveillance investigations to a wide array of clients, including attorneys, corporations, small businesses, insurance companies and the general public.  

ProTech Investigative Services is owned and operated by Michael Winfrey, a California licensed private investigator with nearly a decade of Law Enforcement experience and two decades of financial crime investigations experience in the private sector. Michael and ProTech Investigative Services is also certified by the Dept of Justice to take Live Scan and Ink fingerprint impressions and submit them to DOJ/FBI. Michael has made it his business to Serve and Protect and help others do the necessary due diligence to make critical business and personal decisions. 

If you are an individual seeking employment, certifications, permits, etc. and are required to get live scan (DOJ/FBI) fingerprinted or traditional ink fingerprinted, please contact us

. If you are an attorney, corporation, small business, insurance company, private investigator or private individual looking for surveillance evidence to support your situation please contact us.  We offer In-Office or Mobile consultations/services. We know life can get very busy/hectic and navigating traffic can be painful at times so let us relieve this stress and allow us to come to you.

Note: Our services are by appointment only!