Private Investigations Serving McKinney and North Texas

Welcome to John Demny Private Investigations

About Us

Dedicated To Finding The Truth

John Demny has over twenty years of investigative experience and is a retired Criminal Investigator for Riverside County, CA.

Experience When You Need It

John Demny Private Investigations is a full-service private investigative agency providing a wide variety of professional and confidential investigative services to attorneys, corporations, small businesses, governmental agencies, insurance companies and private citizens. John Demny has built his reputation on providing clients with the most professional service available, including up to date information, outstanding interview skills, and irrefutable evidence where necessary to prove your case. John Demny provides excellent reports and support documents relevant to your investigation. John Demny Private Investigations utilizes databases and resources available only to licensed/insured private investigators and law enforcement.   

Truth and Justice

John Demny realizes that when you contact a Private Investigator, it often involves sensitive issues, and can be a difficult, confusing and worrisome time in your life. John understands complex and difficult situations. He has genuine interest in every client and takes the time needed to provide clients with the utmost compassion and sensitivity. Clients of John Demny Private Investigations have often commented on John’s kind and understanding demeanor. John prides himself with treating all clients with respect, dignity, honesty and integrity.     

Contact Us

Contact me for any investigative needs!

Here to help when you need it most.

The answers are just a phone call away.

John Demny Private Investigations

3712 Saint Croix Ave, McKinney, TX 75071, US

Call (760) 485-0874

  Texas License A04131501               California License 24025     

Member of the McKinney Chamber of Commerce

Investigation, Background Screen, Fraud Investigator, Asset Search