Yahnke Professional Services and Investigations is a licensed and
insured full service Private Detective Agency, owned and operated by Steven
Yahnke and the Yahnke family, with a special emphasis on customer service.
Y.P.S.I. incorporated in 2004 and has been building a successful
agency ever since. We are proud to say that we still serve our very first
client!
Whether you need a detective to locate an individual or assets, serve court documents, interview witnesses, conduct surveillance, or act in a dignitary protection role, Y.P.S.I. is the agency for you.
